Installing the Nortel Ethernet Routing Switch. Nortel 5500 Series
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Installing the Nortel Ethernet Routing
Switch
This section describes the information and procedures used for installing the Nortel Ethernet Routing Switch 5500 Series. Unless otherwise noted, tasks outlined in this section are applicable to all switches in this series.
This following topics are covered in this section:
•
"Phone Dongle Part Number" (page 15)
•
"Electrostatic discharge" (page 16)
•
" Environmental requirements" (page 17)
•
•
" Installing the Nortel Ethernet Routing Switch 5500 Series on a table or shelf" (page 20)
•
" Installing the Nortel Ethernet Routing Switch 5500 Series in an equipment rack" (page 21)
•
" Cabling requirements for the Nortel Ethernet Routing Switch 5500
•
" RJ-45 connector pin assignments" (page 27)
•
"Console port pin assignments" (page 29)
•
" Universal Serial Bus (USB) ports (5530-24TFD only)" (page 29)
•
" Power specifications for the Nortel Ethernet Routing Switch 5500
•
"Connecting AC power" (page 32)
•
"Checking LEDs on the Nortel Ethernet Routing Switch 5500 Series"
•
"Setting IP parameters for the Nortel Ethernet Routing Switch 5500
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Nortel Ethernet Routing Switch 5500 Series
Installation
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Standard
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16 Installing the Nortel Ethernet Routing Switch
Phone Dongle Part Number
The part number for the Nortel Ethernet Routing Switch 5520
(5520-24T/48T-PWR) universal phone dongle is DY4311046
Electrostatic discharge
This section provides information and procedures for the prevention of electrostatic discharge during the installation process.
Preventing electrostatic discharge damage
Electrostatic discharge (ESD) is a discharge of stored static electricity that can damage equipment and impair electrical circuitry. These electrostatic voltages can result from friction, including, but not exclusive to, pulling cabling through conduits, walking across carpeted areas, and building up of static charge in clothing. ESD damage occurs when electronic components are improperly handled and can result in complete or intermittent failures.
While networking equipment is commonly designed and tested to withstand common mode ESD events, voltage sometimes can be discharged to some connector pins but not others, or to some pins before others, which has the potential to damage the networking equipment.
To protect the Nortel Ethernet Routing Switch against ESD damage, take the following preventive measures before connecting any data cables to the device:
• Always use anti-static wrist straps. Make sure the strap is adjusted to provide good skin contact.
• Ensure that work surfaces and equipment racks are properly grounded for protection against electrostatic discharge. The common point must be connected to the building ground wire. In a properly wired building, the nearest reliable ground is typically at the electrical outlet.
• Avoid contact between equipment and clothing. The wrist or ankle strap only protects the equipment from ESD voltages on the body; ESD voltages on clothing can still cause damage.
• Avoid touching any connector pins.
• Do not remove the wrist or ankle strap until the installation is complete.
Preventing electrostatic damage in new cable installations
With new cable installations, Nortel recommends that the use of an ESD discharge cable to reduce the potential for damage from static that can build up in cables. An example of such a cable is illustrated below.
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Environmental requirements 17
ESD cable example
To install the ESD discharge cable:
Step Action
1
2
3
Connect the ground lug on the ESD discharge cable to a safe and suitable earth ground.
Briefly connect all RJ-45 cable connectors to the female RJ-45 connector of the ESD discharge cable, then connect each RJ-45 cable connector to the switch.
Leave cables connected to the networking equipment. Once cables are connected to networking equipment, the cables do not build up charge.
—End—
Environmental requirements
" Nortel Ethernet Routing Switch 5500 Series environmental requirements"
displays the environmental requirements for the individual switches in this series. Ensure that the area where the switch is installed and operated will meet these requirements.
Nortel Ethernet Routing Switch 5500 Series environmental requirements
Ambient
Temperature
Nortel Ether net Routing
Switch 5510
Between
32 and 113 degrees
Fahrenheit (0 and 45 degrees
Celsius).
Nortel Ether net Routing
Switch 5520
Between
32 and 104 degrees
Fahrenheit (0 and 40 degrees
Celsius) for continuous operation. This operational
Nortel Ethernet
Routing Switch
5530
Between 32 and
122 degrees
Fahrenheit (0 and 50 degrees
Celsius) for continuous operation. This operational temperature can
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Nortel Ethernet Routing Switch 5500 Series
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18 Installing the Nortel Ethernet Routing Switch
Storage Temperature Between
-40 and
185 degrees
Fahrenheit (-40 and 85 degrees
Celsius).
Operating Relative
Humidity
Storage Relative
Humidity
Maximum Operating
Altitude
Storage Altitude
Miscellaneous Opera ting Considerations
Nortel Ether net Routing
Switch 5510
Between 5 and
85% non-cond ensing.
Between 10 and 95% non-c ondensing.
10,000 feet
(3048 meters) above sea level.
Nortel Ether net Routing
Switch 5520 temperature can be extended to
131 degrees
Fahrenheit
(55 degrees
Celsius) for short time operation.
Between
-40 and
185 degrees
Fahrenheit (-40 and 85 degrees
Celsius).
Between 10 and 90% non-c ondensing.
Between 10 and 95% non-c ondensing.
10,000 feet
(3048 meters) above sea level.
Nortel Ethernet
Routing Switch
5530 be extended to 14 to
140 degrees
Fahrenheit (-10 to 60 degrees
Celsius) for short time operation.
Between -40 and 185 degrees
Fahrenheit (-40 and 85 degrees
Celsius).
Between 10 and
90% non-conde nsing.
Between 10 and
95% non-conde nsing.
15,000 feet
(4572 meters) above sea level.
Between -1,000 and 10,000 feet
(-304.8 and
3048 meters) above sea level.
Between -1,000 and 10,000 feet
(-304.8 and
3048 meters) above sea level.
Between -1,000 and 40,000 feet
(-340.8 and
12,192 meters) above sea level.
• No heat sources such as hot air vents or direct sunlight located near the switch.
• No sources of severe electromagnetic interference located near the switch.
• No excessive dust in the environment.
• An adequate power source is located within 6 feet
(1.83 meters) of the switch. One 15-amp circuit is required for each power supply.
• At least 2 inches (5.08 centimeters) of clearance on each side of the switch unit for ventilation.
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Package contents 19
Nortel Ether net Routing
Switch 5510
Nortel Ether net Routing
Switch 5520
Nortel Ethernet
Routing Switch
5530
• Adequate clearance is allotted at the front and rear of the switch for access to cables.
WARNING
To avoid bodily injury from hazardous electrical shock and current, never remove the top of the device. There are no user-serviceable components inside. For a translation of this statement, see
"Translations of safety messages" (page 61)
on page 61.
Package contents
"Nortel Ethernet Routing Switch 5500 Series package contents" (page 19)
illustrates the components that are provided with each switch in the 5500
Series. Should any components be missing, contact the vendor from which the switch was purchased.
Nortel Ethernet Routing Switch 5500 Series package contents
1. Nortel Ethernet Routing Switch 5500 Series
2. Rack-mounting hardware that includes:
• Rack-mount brackets
— The Nortel Ethernet Routing Switch 5530-24TFD offers 24 inch rack mounting brackets.
• Screws for attaching brackets to the switch
• Screws for attaching the switch to the equipment rack
• Rubber footpads
3. AC power cord
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20 Installing the Nortel Ethernet Routing Switch
4. Documentation
Installing the Nortel Ethernet Routing Switch 5500 Series on a table or shelf
A single 5500 Series Nortel Ethernet Routing Switch can be installed on any flat surface. The surface should ideally be able to support the combined weight of the switch and attached cables; between 15 and 20 pounds (7 to 9 kilograms).
CAUTION
Do not place a Nortel Ethernet Power Supply Unit 10 or Nortel
Ethernet Redundant Power Supply 15 on top of a Nortel Ethernet
Routing Switch 5500 Series. The switch housing of a 5500 Series
Nortel Ethernet Routing Switch is not strong enough to support the weight of these units. For a translation of this statement, see
"Translations of safety messages" (page 61)
on page 61.
To install a 5500 Series switch on a table or shelf, follow this procedure:
Step Action
1 Attach the provided rubber footpads at the locations noted in
"Attaching the rubber footpads" (page 21)
on the bottom of the switch.
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Installing the Nortel Ethernet Routing Switch 5500 Series on a table or shelf 21
Attaching the rubber footpads
2 Set the switch on a table or shelf as illustrated in
Routing Switch on a desk or shelf" (page 21) . Allow at least 2 inches
(5.1 centimeters) on each side for proper ventilation and at least 5 inches (12.7 centimeters) at the back for power cord clearance.
Nortel Ethernet Routing Switch on a desk or shelf
—End—
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Nortel Ethernet Routing Switch 5500 Series
Installation
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22 Installing the Nortel Ethernet Routing Switch
Installing the Nortel Ethernet Routing Switch 5500 Series in an equipment rack
Before beginning this procedure, ensure that the equipment rack the switch will be installed in meets these requirements:
• A space of 1.75 inches (4.45 centimeters) is provided for each switch in an EIA or IEC standard 19 inch (48.2 centimeter) equipment rack.
• The rack is bolted to the floor and braced if necessary.
• The rack is grounded to the same grounding electrode used by the power service in the area. The ground path must be permanent and must not exceed 1ohm of resistance from the rack to the grounding electrode.
CAUTION
When mounting the device in a rack, do not stack units directly on top of one another in the rack. Each unit must be secured to the rack with the appropriate mounting brackets. Mounting brackets are not designed to support multiple units. For a translation of this statement, see
"Translations of safety messages" (page 61)
on page 61.
To install a 5500 Series switch in an equipment rack, follow this procedure:
Step Action
1 Attach a bracket to each side of the switch using a #2 Phillips screwdriver as illustrated in
"Attaching switch brackets" (page 22)
.
The bracket with the round holes goes on the right side of the switch, where the round fan vents are located.
Attaching switch brackets
2 Slide the switch into the rack as illustrated in
. Insert and tighten the rack-mount screws with a #2
Phillips screwdriver.
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Installing a Nortel Ethernet Routing Switch 5530-24TFD in a rear mounted configuration 23
Mounting the switch
—End—
Installing a Nortel Ethernet Routing Switch 5530-24TFD in a rear mounted configuration
The Nortel Ethernet Routing Switch 5530-24TFD now features the option of installing the switch in a rear mounted configuration. This option allows the switch to be installed with the back panel facing forward.
To install the 5530-24TFD in a rear mounted configuration perform the following tasks:
Step Action
1 Attach a bracket to each side of the switch using a #2 Phillips screwdriver as illustrated in
"Attaching rear mounted switch brackets"
. The bracket with the round holes goes on the right side of the switch, where the round fan vents are located.
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24 Installing the Nortel Ethernet Routing Switch
Attaching rear mounted switch brackets
2 Slide the switch into the rack as illustrated in
"Rear mounted switch configuration" (page 24)
. Insert and tighten the rack-mount screws with a #2 Phillips screwdriver.
Rear mounted switch configuration
—End—
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Installation
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Installation and removal of SFP and XFP transceivers 25
Cabling requirements for the Nortel Ethernet Routing Switch 5500
Series
" Switch cabling requirements" (page 25)
outlines the required cables for a
Nortel Ethernet Routing Switch 5500 Series and their specifications.
Switch cabling requirements
Required Cable
10/100/1GBase-T Ports
Console Port
Shared SFP Transceiver
Ports
XFP Transceiver Ports
USB Ports
Description
The interconnect cabling must conform to the
Cat5e, Cat6, or Cat6e specification of the
Commercial Building Telecommunications Cabling
Standard, ANSI/TIA/EIA 568-B fitted with an RJ-45
Module Jack.
Serial cable with a DB-9 female connector on both ends. The maximum length for the console port cable is 25 feet (8.3 meters).
Varies with the installed SFP Transceiver. Refer to the documentation that was shipped with the SFP
Transceiver for specifications.
Varies with the installed XFP Transceiver. Refer to the documentation that was shipped with the XFP
Transceiver for specifications.
USB 2.0 compliant cable with a USB Type A connector on both ends.
Note: In Autonegotiation mode, the Nortel Ethernet Routing Switch
5500 Series automatically provides the proper MDI/MDI-X connection on the RJ-45 ports; thereby eliminating the need for crossover cables.
When Autonegotiation is disabled on 10/100 ports, they are configured as an MDI-X connection.
Installation and removal of SFP and XFP transceivers
The following section outlines the installation and removal of SFP and
XFP transceivers in the Nortel Ethernet Routing Switch 5500 Series. For complete coverage of SFP and XFP transceiver usage and designation, refer to Installing SFP and XFP Transceivers and GBICs (Part Number
318034-D)
Installation of SFP and XFP transceivers
This section details the installation of SFP and XFP transceivers. To install these transceivers, use the following procedure:
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Installation
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26 Installing the Nortel Ethernet Routing Switch
3
4
Step Action
1
2
Remove the transceiver from the protective packaging.
Verify that the transceiver is the correct model for the network configuration.
Grasp the transceiver between the thumb and forefinger.
Insert the transceiver into the proper module on the switch. Apply a light pressure to the transceiver until it clicks and locks into position in the module.
Transceiver insertion
5 Remove the dust cover from the transceiver optical bores.
—End—
Removal of SFP and XFP transceivers
This section details the removal of SFP and XFP transceivers. To remove these transceivers, use the following procedure:
Step Action
1 Disconnect the network fiber cable from the transceiver.
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Standard
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2
RJ-45 connector pin assignments 27
Use the locking/extractor mechanism on the transceiver to release it.
The locking/extractor mechanism varies from model to model.
Transceiver locking/extractor mechanism examples
3
4
5
Slide the transceiver out of the module slot.
If the transceiver does not slide easily from the module slot, use a gentle side-to-side rocking motion while firmly pulling the transceiver from the slot.
Attach a dust cover over the fiber optic bores and store the transceiver in a safe place until needed.
Note: Transceivers should be discarded in accordance with the proper laws and regulations.
—End—
RJ-45 connector pin assignments
The following section outlines the connector pin assignments for the RJ-45 connectors in the Nortel Ethernet Routing Switch 5500 Series switches.
Consult the appropriate section for specific information on an individual switch:
•
"Nortel Ethernet Routing Switch 5510-24T and 5510-48T" (page 28)
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Nortel Ethernet Routing Switch 5500 Series
Installation
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28 Installing the Nortel Ethernet Routing Switch
•
"Nortel Ethernet Routing Switch 5520-24T-PWR and 5520-48T-PWR"
Nortel Ethernet Routing Switch 5510 and 5530
The following table outlines the RJ-45 connector pin assignments in the
Nortel Ethernet Routing Switch 5510 and 5530 switches.
5510 RJ-45 connector pin assignments
Connecto r
Pin Numb er
1
2
3
6
4, 5, 7, 8
Pin Numb er
1
2
3
4
5
6
7
8
Signal for 10/100Base-
T MDI configuration
Output transmit data +
(TX+)
Output transmit data -
(TX-)
Input receive data +
(RX+)
Input receive data -
(RX-)
Not used
Signal for 1GBase-T
MDI configuration
TP0+
TP0-
TP1+
TP2+
TP2-
TP1-
TP3+
TP3-
Signal for
10/100Base-T MDI-X configuration
Input receive data +
(RX+)
Input receive data -
(RX-)
Output transmit data +
(TX+)
Output transmit data -
(TX-)
Not used
Signal for 1GBase-T
MDI-X configuration
TP1+
TP1-
TP0+
TP3+
TP3-
TP0-
TP2+
TP2-
.
Nortel Ethernet Routing Switch 5500 Series
Installation
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Console port pin assignments 29
Nortel Ethernet Routing Switch 5520-24T-PWR and 5520-48T-PWR
The following table outlines the RJ-45 connector pin assignments in the
Nortel Ethernet Routing Switch 5520.
5520 RJ-45 connector pin assignments
Connector Pin Number Signal
1 RX+/power+
2
3
4
5
6
7
8
RX-/power+
TX+/power-
Not applicable
Not applicable
TX-/power-
Not applicable
Not applicable
Description
Receive Data+/power+
Receive Data-/power+
Transmit Data+/power-
Not applicable
Not applicable
Transmit Data-/power-
Not applicable
Not applicable
Note: The Nortel Ethernet Routing Switch 5520 uses pins 1, 2, 3, and 6 for the purposes of Power over Ethernet (PoE).
Console port pin assignments
" Console port pin assignments" (page 29)
outlines the console port pin assignments in the Nortel Ethernet Routing Switch 5500 Series.
Console port pin assignments
Connector
8
9
6
7
2
3
4
5
Pin Number Signal
1 Carrier detect (not used)
Transmit Data (TXD)
Receive Data (RXD)
Data terminal ready (not used)
Signal ground (GND)
Not used
Request to send (not used)
Not used
Ring indicator (not used)
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30 Installing the Nortel Ethernet Routing Switch
Universal Serial Bus (USB) ports (5530-24TFD only)
The Nortel Ethernet Routing Switch 5530-24TFD features USB ports on the front panel adjacent to the console port and on the back panel. The addition of USB ports will enable switch administrators to perform tasks that were previously completed through TFTP with a commonly available USB Mass
Storage Device ("flash drive" or "thumb drive"). These tasks include:
• Software Download
• Syslog Backup
• ASCII Configuration File Generation and Download
File and system operations will be limited by the size of the USB device in use.
Only USB drives that comply with the Mass Storage sub-section of the USB
1.1 and USB 2.0 specification are supported. Support is not extended to third-party devices that do not comply with these standards. Off-the-shelf drives that do no comply with these standards may not operate with the
5530-24TFD switch. Consult the documentation provided with the USB drive to ensure compliance with these standards.
Note: The Nortel Ethernet Routing Switch 5530-24TFD also has a back panel USB port that is currently not enabled.
Power specifications for the Nortel Ethernet Routing Switch 5500
Series
The following section describes the power specifications for the switches in the 5500 Series. Consult the appropriate section below for specific information on the appropriate switch:
•
" Nortel Ethernet Routing Switch 5510-24T and 5510-48T" (page 31)
•
"Nortel Ethernet Routing Switch 5520-24T-PWR and 5520-48T-PWR"
•
" Nortel Ethernet Routing Switch 5530-24TFD" (page 31)
In addition, the switches in the 5500 Series can make use of redundant power supplies tailored specifically to their needs. For information on these units, see the sections listed below:
•
"Nortel Ethernet Power Supply 10 power specification" (page 32)
•
" Nortel Ethernet Redundant Power Supply 15 power specification"
•
" Nortel Ethernet DC-DC converter module" (page 32)
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Installation
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Power specifications for the Nortel Ethernet Routing Switch 5500 Series 31
Nortel Ethernet Routing Switch 5510-24T and 5510-48T
The following are the power specifications for the Nortel Ethernet Routing
Switch 5510.
AC power specifications
Input Current:
Input Voltage (rms):
Power Consumption:
Thermal Rating
1.3 to 0.65A
100 to 240 VAC at 47 to 63 Hz
135W
460 BTU/Hr maximum
Nortel Ethernet Routing Switch 5520-24T-PWR and 5520-48T-PWR
To provide DTE power to all 48 ports at 15.4W per port the Nortel Ethernet
Routing Switch 5520 needs to use power from the Nortel Ethernet
Redundant Power Supply 15 (RPS 15).
AC power specifications
Input Current:
Input Voltage (rms):
Power Consumption:
Thermal Rating:
Inrush Current:
Turn on Condition:
Efficiency:
6.5A at 115VAC or 3.25A at 230VAC
100 to 240 VAC 50/60 Hz
600W maximum
850 BTU/Hr
20A 120VAC at maximum load, 40A 240VAC at maximum load
1 second maximum after application of AC power.
Note: 12V output rise time, from 10% to 90%, shall be a maximum of 50 ms and monotonic under all defined input and output conditions.
70% minimum
Nortel Ethernet Routing Switch 5530-24TFD
The following are the power specifications for the Nortel Ethernet Routing
Switch 5530.
AC power specifications
Input Current:
Input Voltage (rms):
Typical Power Consumption:
Typical Thermal Rating:
Maximum Power Consumption:
1.7A at 120VAC or 0.85A at 240VAC
100 to 240VAC 50/60 Hz
125W
427 BTU/Hr
150W
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Nortel Ethernet Routing Switch 5500 Series
Installation
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Standard
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32 Installing the Nortel Ethernet Routing Switch
Maximum Thermal Rating:
Inrush Current:
Turn on Condition:
Efficiency:
512 BTU/Hr
20A 120VAC at maximum load, 40A
240VAC at maximum load
1 second maximum after application of AC power.
Note: 12V output rise time, from 10% to
90%, shall be a maximum of 50 ms and monotonic under all defined input and output conditions.
70% minimum
Nortel Ethernet Power Supply 10 power specification
Output Current:
Output Voltage:
Output Power:
4.2A maximum
-48 VDC
200W maximum
Nortel Ethernet Redundant Power Supply 15 power specification
A DC power supply used with the AC power supply to provide DTE power to all of the PoE ports in the Nortel Ethernet Routing Switch 5520.
RPS power specifications
Input Voltage:
Input Current:
Inrush Current:
Output Voltage:
Output Current:
Output Power:
100 to 240 VAC 50/60 Hz
10A maximum
40A maximum (regardless of ambient temperature)
47.5 VDC
12.0A
600W
Nortel Ethernet DC-DC converter module
The Nortel Ethernet Routing Switch 5510 requires an additional DC-DC converter module to make use of the Nortel Ethernet Routing Switch
Redundant Power Supply Model 15 (RPS 15). This module is required to connect the RPS 15 to the Nortel Ethernet Routing Switch 5510 but is not required for other switches in the 5500 Series. For information on connecting this module to the 5510, see DC-DC Converter Module for the
Baystack 5000 Series Switch (Part Number 215081-A).
.
Nortel Ethernet Routing Switch 5500 Series
Installation
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Standard
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Connecting AC power 33
Connecting AC power
Power cord specifications
To connect AC power to the switch an appropriate AC power cord is required as outlined in the
. Refer to
" International power cord specifications" (page 33)
for plug specifications.
International power cord specifications
Country / Plug Specification Specifications Typical
Plug
Continental Europe:
• CEE7 standard VII male plug
• Harmonized cord (HAR marking on the outside of the cord jacket to comply with the CENELEC Harmonized Document
HD-21)
United States of America / Canada /
Japan:
• NEMA5-15P male plug
• UL-recognized (UL stamped on cord jacket)
• CSA-certified (CSA label secured to the cord)
United Kingdom:
• BS1363 male plug with fuse
• Harmonized cord
• 220 or 230
VAC
• 50 Hz
• Single Phase
• 100 or 120
VAC
• 50 - 60 Hz
• Single Phase
• 240 VAC
• 50 Hz
• Single Phase
Australia:
• AS3112-1981 male plug
• 240 VAC
• 50 Hz
• Single Phase
DANGER
Use only power cords that have a grounding path. Without a proper ground, a person who touches the switch is in danger of receiving an electrical shock. Lack of a grounding path to the switch may result in excessive emissions. For a translation of this statement, see
"Translations of safety messages" (page 61)
on page 61.
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Nortel Ethernet Routing Switch 5500 Series
Installation
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34 Installing the Nortel Ethernet Routing Switch
Connecting power to the back panel
Connect the AC power cord to the back of the switch and then connect the cord to an AC power outlet.
"Connecting AC power to the back panel" (page
34) illustrates connecting the AC power cord to the switch back panel.
Note: The Nortel Ethernet Routing Switch 5500 Series do not have an
AC power switch. When the power cord is connected to a suitable AC power outlet, the switch powers up immediately.
Connecting AC power to the back panel
WARNING
Disconnecting the AC power cord is the only way to turn off AC power to the Nortel Ethernet Routing Switch 5500 Series. Always connect the AC power cord in a location that can be reached quickly and safely in case of an emergency. For a translation of this statement, see
"Translations of safety messages" (page 61)
on page 61.
Checking LEDs on the Nortel Ethernet Routing Switch 5500 Series
Refer to the illustrations and tables below for descriptions of the LEDs on the Nortel Ethernet Routing Switch 5500 Series. The tables describe LED operation for a switch that has completed the power-on self-test.
Front panel LEDs
"Nortel Ethernet Routing Switch 5510 front panels" (page 35) , "Nortel
Ethernet Routing Switch 5520 front panels" (page 35)
, and
Routing Switch 5530-24TFD front panel" (page 36)
illustrate the LEDs and buttons found on the front panel of a switch in the 5500 Series Nortel
Ethernet Routing Switch. Refer to the following sections for detailed explanations of the states indicated by each type of front panel LED:
•
"Switch LED state indicators" (page 36)
•
"Port LED state indicators" (page 38)
•
"Shared SFP transceiver port LED state indicators" (page 40)
•
"XFP transceiver port LED indicators (5530-24TFD only)" (page 40)
Note: For more information on the User Interface (UI) button and front panel configuration mode on the Nortel Ethernet Routing Switch
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Nortel Ethernet Routing Switch 5500 Series
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Checking LEDs on the Nortel Ethernet Routing Switch 5500 Series 35
5500 Series, refer to the system configuration guide noted in
"Related publications" (page 12)
on page 16.
Nortel Ethernet Routing Switch 5510 front panels
1. User Interface Button
3. 10/100/1000 Mbps Port LEDs
5. Console Port
2. Switch LEDs
4. SFP Transceiver Port LEDs
Nortel Ethernet Routing Switch 5520 front panels
1. User Interface Button
3. 10/100/1000 Mbps Port LEDs
5. Console Port
2. Switch LEDs
4. SFP Transceiver Port LEDs
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36 Installing the Nortel Ethernet Routing Switch
Nortel Ethernet Routing Switch 5530-24TFD front panel
1.
User Interface Button
3. 10/100/1000 Mbps port LEDs
5. Console Port
7. USB Port
2. Switch LEDs
4. SFP Transceiver Port LEDs
6. XFP Transceiver Port LEDs
Note: Copper ports 13 to 24 and the SFPs are shared ports on the
Nortel Ethernet Routing Switch 5530-24TFD.
WARNING
Fiber optic equipment can emit laser or infrared light that can injure eyes. Never look into an optical fiber or connector port.
Always assume that fiber optic cables are connected to a light source. For a translation of this statement, see
"Translations of safety messages" (page 61)
on page 61.
Switch LED state indicators
"Switch LED state indicators" (page 36)
outlines the different state indications that the main switch LEDs display through color and fluctuation cues.
Switch LED state indicators
Label
UI button
Color / Status
White/steady
Off
Description
Power is on.
Power is off.
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Nortel Ethernet Routing Switch 5500 Series
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Label
Pwr
Status
Checking LEDs on the Nortel Ethernet Routing Switch 5500 Series 37
Color / Status
Green / steady
Green / blinking
Amber / slow blinking
Amber / fast blinking
Off
Green / steady
Green / blinking
Amber / steady
Amber / blinking
Off
Description
The switch is connected to AC power and is receiving power.
Problem with primary Boot image. Booted from back up image. Configuration and agent code may be incorrect.
System will reset in less than 3 seconds. To stop the reset, release UI push button.
System will reset in less than 1 second. To stop the reset, release UI push button.
The switch is not connected to an AC power source or the power supply unit is not supplying power.
• During Initialization: The power-on self-test is complete and the switch is operating normally.
• After Initialization: The front panel configuration mode is inactive. Unit booted successfully.
•
During Initialization: A non-fatal error occurred during the self-test.
•
After Initialization: The user pushed the
UI button and activated the front panel configuration mode and the system is awaiting input.
•
During Initialization: N/A
•
After Initialization: The front panel has accepted the user command. The system accepts the UI input and is awaiting execution.
•
During Initialization: N/A
•
After Initialization: The system has rejected the UI input.
The switch failed the self-test.
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38 Installing the Nortel Ethernet Routing Switch
Label
RPSU
Up
Down
Base
Color / Status
Green / steady
Off
Green / steady
Amber / steady
Off
Green / steady
Amber / steady
Off
Green / steady
Green / blinking
Amber / steady
Off
Description
The switch is connected to a redundant power supply unit (RPSU) and is receiving power if necessary.
The switch is not connected to a RPSU, the
RPSU is not supplying power, or the DC/DC module is not supplying power.
The Cascade Up port has a physical connection to another unit.
The Cascade Up port has detected an error.
The switch is in standalone mode or there is no link to the Cascade Up port.
The Cascade Down port has a physical connection to another unit.
The Cascade Down port has detected an error.
The switch is in standalone mode or there is no link to the Cascade Down port.
The switch is the stack base unit.
There is a stack configuration error. Either multiple base units or no base units are configured in the stack.
The switch is operating as the temporary base unit in the stack configuration.
The switch is not the stack base unit or it is operating in standalone mode.
Port LED state indicators
This section outlines the state indicators provided by the port LED through color and fluctuation cues. Refer to the appropriate switch section for further information:
•
"Nortel Ethernet Routing Switch 5510-24T and 5510-48T" (page 39)
•
"Nortel Ethernet Routing Switch 5520-24T-PWR or 5520-48T-PWR"
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Nortel Ethernet Routing Switch 5500 Series
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Checking LEDs on the Nortel Ethernet Routing Switch 5500 Series 39
Nortel Ethernet Routing Switch 5510 and 5530
Port LED state indicators for 5510 and 5530 Switches
Label
Speed
LNK/AC
T
Color / Status
Green / steady
Amber / steady
Off
Green / steady
Description
The port is set to operate at 1000 Mbps.
This port is set to operate at 100 Mbps
When the LNK/ACT LED is green, this port is set to operate at 10 Mbps. When this LED is off, refer to the LNK/ACT section for more information.
The link is operating normally.
Green / blinking There is activity on the port. The blinking rate indicates the level of activity.
The port has been disabled by the software.
Green / slow blinking
Off The port has no link nor activity.
Nortel Ethernet Routing Switch 5520-24T-PWR or 5520-48T-PWR
Port LED state indicators for 5520 Switches
Label
Speed
LNK/AC
T
Color / Status
Amber / steady
Amber / pulsing
Green / Amber
Alternating
Green / steady
Green / pulsing
Off
Amber / steady
Amber / blinking
Green / steady
Green / blinking
Off
Description
100 Mbps - PoE is off
100 Mbps - PoE is on
10 Mbps or No link or Admin disabled or PoE is on. Refer to the speed setting configured for this port to determine the specific state.
1000 Mbps - PoE is off
1000 Mbps - PoE is on
10 Mbps or No link or Admin disabled or PoE is off. Refer to the speed setting configured for this port to determine the specific state.
PoE DTE short or the power allocated to this port has been exceeded.
Power budget exceeded.
Link established but no data activity.
There is activity on this port. The blinking rate indicates the level of activity.
No link.
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40 Installing the Nortel Ethernet Routing Switch
Shared SFP transceiver port LED state indicators
This section outlines the states indicated by the color and fluctuation cues provided by the Shared SFP Transceiver Port LEDs.
Shared SFP transceiver Port LED state indicators
Label
In Use
LNK/AC
T
Color / Status
Green / steady
Off
Green / steady
Green / blinking
Green / slow blinking
Off
Description
A transceiver is inserted into the port.
The port has no transceiver.
This link is operating normally.
There is activity on the port.
The port has been disabled by the software.
Indicates that the link has been lost.
Note: The SFP Transceiver ports are shared. When a SFP Transceiver is inserted and the port has a link established, the corresponding front panel port is disabled. For more information on shared ports, refer to the system configuration guide noted in
XFP transceiver port LED indicators (5530-24TFD only)
The Nortel Ethernet Routing Switch 5530-24TFD contains two XFP
Transceiver Ports with two LEDs labeled Tx (Transmit) and Rx (Receive).
"XFP transceiver port LED state indicators" (page 40)
outlines the port states indicated by the color and fluctuation of the XFP Transceiver Port LEDs.
XFP transceiver port LED state indicators
LED Color / Status
Tx Green / steady
Description
Link established.
Rx Green / steady
Tx Green / blinking
Rx Green / blinking
Tx Amber / steady
Rx Amber / steady
Tx Amber / blinking
Transmit activity detected.
Receive activity detected.
Transmit activity enabled.
Fiber connected with signal present.
XFP has been installed. Laser Transmitter OFF or
XFP in Reset.
The Amber LEDs are usually only used during the boot process. Under normal operation, Green is the only color the XFP LED should emit.
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Setting IP parameters for the Nortel Ethernet Routing Switch 5500 Series 41
LED Color / Status
Rx Amber / blinking
Description
XFP has been installed. No Signal Detected or XFP in Reset.
No XFP installed.
Both Off
The Amber LEDs are usually only used during the boot process. Under normal operation, Green is the only color the XFP LED should emit.
Setting IP parameters for the Nortel Ethernet Routing Switch 5500
Series
A 5500 Series Nortel Ethernet Routing Switch begins switching operations after it has completely booted up and all software modules are initialized. To manage the switch using Telnet or SNMP, or to perform TFTP operations, certain IP parameters must be set. In addition, if the switch is being connected into a stack configuration, the additional parameters necessary for the proper stack operation must be supplied.
For more information on the console menus, and configuring the switch, refer to the system configuration guide noted in
For the initial set up of a switch, the following IP parameters must be configured:
• IP address of the switch or stack
• Subnet mask
• Gateway address
The following procedures are covered for setting initial IP Parameters:
•
"Setting IP parameters using the console port and Console Menu" (page
•
"Setting IP Parameters using the console port and CLI" (page 45)
•
"Setting IP parameters using the Web-based Management Interface"
•
"Setting IP parameters using the UI button" (page 49)
Setting IP parameters using the console port and Console Menu
To set IP parameters using the console port and Console Menu, perform the following tasks:
Step Action
1 Connect a terminal to the console port of the switch.
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42 Installing the Nortel Ethernet Routing Switch
Any terminal or PC with an appropriate terminal emulator can be used as the management station.
" Terminal emulation settings"
(page 45)" Terminal emulation settings" (page 45)
lists the parameters that must be used with any terminal emulation software used to connect to the switch.
Terminal emulation settings
Property
Baud Rate
Data Bits
Stop Bits
Parity
Flow Control
Value
9600 bps
8
1
None
None
2
3
4
A console cable and connector to match the male DTE connector
(DB-9) on the switch is required to connect the terminal to the switch console port.
Set the terminal protocol on the terminal or terminal emulation program to VT100 and VT100/ANSI.
Connect to the switch using the terminal or terminal emulation application.
After the Nortel banner is displayed, press CTRL + Y to display the main menu. The version of the main menu displayed is dependent on whether the switch is part of a standalone or stacked switch configuration.
"Standalone switch main menu" (page 46)"Standalone switch main menu" (page 46)
illustrates the main menu for a standalone configuration and
"Stacked switch main menu" (page
46)"Stacked switch main menu" (page 46)
illustrates the main menu for a stacked switch configuration.
Standalone switch main menu
IP Configuration/Setup...
SNMP Configuration...
System Characteristics...
Switch Configuration...
Console/Comm Port Configuration...
Display Hardware Units...
Spanning Tree Configuration...
TELNET/SNMP/Web Access Configuration...
Software Download...
Configuration File...
Display System Log...
Reset...
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6
Setting IP parameters for the Nortel Ethernet Routing Switch 5500 Series 43
Reset to Default Settings...
Shutdown Command...
Command Line Interface...
Logout...
Use arrow keys to highlight option, press <Return> or <Enter> to select option.
Stacked switch main menu
IP Configuration/Setup...
SNMP Configuration...
System Characteristics...
Switch Configuration...
Console/Comm Port Configuration...
Identify Unit Numbers...
Renumber Stack Units...
Display Hardware Units...
Spanning Tree Configuration...
TELNET/SNMP/Web Access Configuration...
Software Download...
Configuration File...
Display System Log...
Reset...
Reset to Default Settings...
Shutdown Command...
Command Line Interface...
Logout...
Use arrow keys to highlight option, press <Return> or <Enter> to select option.
Select IP Configuration/Setup . . .from the main menu.
Note: The default management VLAN in the Nortel Ethernet
Routing Switch 5500 Series is VLAN 1. To manage the switch, ensure that the network management station is on the management VLAN or is connected to the management
VLAN through routers. For information on the maintenance and configuration of VLANs, refer to the system configuration guide noted in
"Related publications" (page 12) on page 16.
Assign an IP address to the switch.
• For a standalone switch, enter a value in the In-Band Switch IP
Address field in dotted-decimal notation.
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44 Installing the Nortel Ethernet Routing Switch
• For a stack configuration, enter a value in the In-Band Stack IP
Address field in dotted-decimal notation.
IP Configuration/Setup screen
IP Configuration/Setup
BootP Request Mode: [ BootP When Needed ]
In-Band Stack IP Address:
In-Band Switch IP Address:
In-Band Subnet Mask:
Configurable In Use
---------------------------------
[ 0.0.0.0 ] 0.0.0.0
[ 0.0.0.0 ]
[ 0.0.0.0 ]
0.0.0.0
0.0.0.0
Default Gateway:
IP Address to Ping:
Start Ping:
[ 0.0.0.0 ]
[ 0.0.0.0 ]
[ No ]
0.0.0.0
Enter text, press <Return> or <Enter> when complete.
Press Ctrl-R to return to previous menu.
Press Ctrl-C to return to Main Menu.
Last BootP
---------------
0.0.0.0
0.0.0.0
0.0.0.0
0.0.0.0
7
8
9
Note: The In-Band Switch IP Address field allows a switch to operate as a standalone switch. This field is not required for the operation of a stacked switch. The same value cannot be entered in both the In-Band Switch IP Address field and the
In-Band Stack IP Address field.
In the In-Band Subnet Mask field enter the appropriate subnet mask in dotted-decimal notation.
Note: If the In-Band Subnet Mask field does not already contain a value when specifying an IP address for the switch, the switch software provides an in-use, default value for the subnet mask field. This value is based on the class of the IP address entered in the previous step.
In the Default Gateway field, enter the appropriate default gateway in dotted-decimal notation.
Note: If Nortel Ethernet Routing Switch 5500 Series switches are being stacked, ensure that one switch is set as the Base Unit.
For more information on this topic, refer to system configuration guide noted in
"Related publications" (page 12)
on page 16.
Press CTRL + C to return to the main menu.
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Setting IP parameters for the Nortel Ethernet Routing Switch 5500 Series 45
Initial IP configuration is now complete. To continue with configuration operations, select the appropriate menu item. To disconnect from the switch select Logout from the main menu.
—End—
Setting IP Parameters using the console port and CLI
To set IP parameters using the console port and Command Line Interface, perform the following tasks:
Step Action
1 Connect a terminal to the console port of the switch.
Any terminal or PC with an appropriate terminal emulator can be used as the management station.
" Terminal emulation settings"
(page 45)" Terminal emulation settings" (page 45)
lists the parameters that must be used with any terminal emulation software used to connect to the switch.
Terminal emulation settings
Property
Baud Rate
Data Bits
Stop Bits
Parity
Flow Control
8
1
Value
9600 bps
None
None
2
3
4
A console cable and connector to match the male DTE connector
(DB-9) on the switch is required to connect the terminal to the switch console port.
Set the terminal protocol on the terminal or terminal emulation program to VT100 and VT100/ANSI.
Connect to the switch using the terminal or terminal emulation application.
After the Nortel banner is displayed, press CTRL + Y to display the main menu. The version of the main menu displayed is dependent on whether the switch is part of a standalone or stacked switch configuration.
"Standalone switch main menu" (page 46)"Standalone switch main menu" (page 46)
illustrates the main menu for a standalone configuration and
"Stacked switch main menu" (page
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46 Installing the Nortel Ethernet Routing Switch
5
46)"Stacked switch main menu" (page 46)
illustrates the main menu for a stacked switch configuration.
Standalone switch main menu
IP Configuration/Setup...
SNMP Configuration...
System Characteristics...
Switch Configuration...
Console/Comm Port Configuration...
Display Hardware Units...
Spanning Tree Configuration...
TELNET/SNMP/Web Access Configuration...
Software Download...
Configuration File...
Display System Log...
Reset...
Reset to Default Settings...
Shutdown Command...
Command Line Interface...
Logout...
Use arrow keys to highlight option, press <Return> or <Enter> to select option.
Stacked switch main menu
IP Configuration/Setup...
SNMP Configuration...
System Characteristics...
Switch Configuration...
Console/Comm Port Configuration...
Identify Unit Numbers...
Renumber Stack Units...
Display Hardware Units...
Spanning Tree Configuration...
TELNET/SNMP/Web Access Configuration...
Software Download...
Configuration File...
Display System Log...
Reset...
Reset to Default Settings...
Shutdown Command...
Command Line Interface...
Logout...
Use arrow keys to highlight option, press <Return> or <Enter> to select option.
Select Command Line Interface. . .from the main menu.
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7
8
Setting IP parameters for the Nortel Ethernet Routing Switch 5500 Series 47
Note: The default management VLAN in the Nortel Ethernet
Routing Switch 5500 Series is VLAN 1. To manage the switch, ensure that the network management station is on the management VLAN or is connected to the management
VLAN through routers. For information on the maintenance and configuration of VLANs, refer to the system configuration guide noted in
"Related publications" (page 12) on page 16.
Enter the Global Configuration command mode using the enable and configure terminal commands. This is illustrated below.
Entering Global Configuration mode
5530-24TFD#enable
5530-24TFD#configure terminal
Enter configuration commands, one per line.
End with CNTL/Z.
5530-24TFD(config)#
In the Global Configuration command mode use the ip address command to set the switch or stack IP address. The syntax of this command is outlined below.
ip address [stack | switch] <ip_address> [netmask
<subnet_mask>] [default-gateway <gateway_address>]
The parameters of this command are outlined in the following table.
ip address parameters
Parameter
[stack | switch]
<ip_address>
<subnet_mask>
<gateway_addre ss>
Description
Use either the stack or switch key word to set the appropriate IP address.
The IP address to be used.
The subnet mask to be used.
The default gateway address to be used.
Initial IP configuration is now complete. To continue with configuration operations, use the appropriate CLI commands. To disconnect from the switch use the logout command to return to the Console Menu and select Logout from the main menu.
—End—
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48 Installing the Nortel Ethernet Routing Switch
Setting IP parameters using the Web-based Management Interface
Note: IP parameters are changed during this procedure. Changes to
IP parameters can result in the loss of web browser connectivity to the switch.
To set IP parameters using the Web-based Management Interface, perform the following tasks:
Step Action
1
2
3
4
Using the procedure
"Setting IP parameters using the UI button"
, assign a default IP address to the switch.
Connect a computer to the switch through a data port using a standard RJ-45 network cable.
Open a web browser on the attached computer and enter the factory default IP address of the switch in the following format: http://<IP
Address>.
The main screen of the Web-based Management Interface will open.
Select Configuration > IP from the menu. This screen is illustrated below.
IP configuration screen
5 Using the fields provided, configure the IP parameters. All fields are divided into three columns: Configurable, In Use, and Last
BootP. The Configurable column is used to configure a new value for the field. The In Use column represents the current value used by the switch and the Last BootP column is used to display a value
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Setting IP parameters for the Nortel Ethernet Routing Switch 5500 Series 49 assigned to the field by a BootP request. These fields are outlined the following table.
IP Configuration fields
Field
In-Band Stack IP
Address
Description
The IP address used by the switch when it is part of a stack.
In-Band Switch
IP Address
In-Band Subnet
Mask
The IP address used by the switch when it is a standalone unit.
The subnet mask used by the switch.
Default Gateway The default gateway used by the switch.
Click Apply.
—End—
Setting IP parameters using the UI button
IP parameters can also be set by using the front panel User Interface (UI) button. This allows for switch configuration without the need for a Console connection.
Depending on the state of the switch, applying IP parameters in this manner will result in either the parameters being applied to the switch itself or to a switch stack. When the unit is in a stack, the UI button on any unit of the stack can be used to set the IP parameters. Ensure however that performing this procedure does not result in duplicate IP addresses on the network. If the default IP configuration is set, any change to the configured
IP address or subnet mask through the other user interfaces will cause the
In-Use IP configuration of the switch or stack to change. Therefore, the newly configured IP address must be used to manage the switch or stack.
If the unit is being reset using the UI button, wait for 60 seconds after the last configuration change. The system takes up to 60 seconds to save the configuration changes to NVRAM.
The stack can be reset immediately after changing the configuration by using the UI button without losing any of the changed configuration.
Note 1: The UI button may be used at any time to change the In-Use
IP address and subnet mask of the switch. It overrides the current
In-Use IP address and subnet mask, if any, regardless of the BootP mode settings for the switch or stack.
Note 2: If there is a change in the switch state, that is, if it joins or leaves a stack after the default IP configuration is set, the In-Use IP configuration will change, and must be set again using the UI button.
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It should be noted that configuring IP parameters in this manner does not have the same amount of control as configuration using a Console connection. Using this procedure will set the IP address to a pre-configured default of 192.168.192.168.
To set IP parameters using the UI button, perform the following tasks:
Step Action
1
2
3
4
Press and hold the UI button for 3 seconds.
The unit will now be in configuration mode. The Status LED will now change to a blinking green status.
Press the UI button 5 times.
The Base LED and the Up and Down LEDs will now be steady amber to indicate that the button press was recognized.
Press the UI button and hold in for 3 seconds to confirm the command.
The In-Use IP address will now be changed to 192.168.192.168.
The color and status of the Status LED will turn to steady green once the command has been accepted. If the command is rejected, the
Status LED turns amber blinking.
Initial IP configuration using the UI button is now complete. To continue with switch configuration access the switch through the
Command Line Interface, Web-based Management Interface, or
Java Device Manager.
—End—
Nortel Ethernet Routing Switch 5500 Series Stack Configuration
The Nortel Ethernet Routing Switch 5500 Series provides the capability for fail-safe stackability. Up to eight 5500 Series devices can be connected in a stack to provide uninterrupted connectivity for up to 384 ports. This stack is managed as a single unit.
Stack connector
The stack connector is a component of the Nortel Ethernet Routing Switch
5500 Series back panel and consists of the Unit Select switch, Cascade
Down connector, and Cascade Up connector. The stack connector is illustrated in the following diagram.
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Nortel Ethernet Routing Switch 5500 Series Stack Configuration 51
Stack connector
Unit Select switch
The Unit Select switch is used to designate a switch in the stack as the base
unit. Sliding the switch to the right designates that switch as the base unit.
Only one switch in a stack may have the Unit Select switch in the base unit position. All other switches in the stack must have the Unit Select switch in the left position.
A switch’s base unit designation is also displayed on the front panel LED display.
Cascade Down connector
The Cascade Down connector is used to connect this switch to the next unit in the stack through a cascade cable. A connection from this connector must be attached to the Cascade Up connector of the next switch in the stack. A return cable from another unit’s Cascade Down connector to this unit’s Cascade Up connector completes the stack connection.
Note: To create a stack connection, order the appropriate Nortel
Ethernet Routing Switch 5500 Series cascade cables to ensure fail-safe stacking. These cables are not provided with the switch. For stacking three or more units (maximum 8 units per stack), order the 3 foot cascade max-return cable (order number AL2018009).
Cascade Up connector
The Cascade Up connector provides an attachment point for accepting a cascade cable connection from another unit in the stack. A return cable from this unit’s Cascade Down connector to the adjacent unit’s Cascade
Up connector completes the stack connection.
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Note: To create a stack connection, order the appropriate Nortel
Ethernet Routing Switch 5500 Series cascade cables to ensure fail-safe stacking. These cables are not provided with the switch.
The following illustration demonstrates the proper crossover connection configuration. Failure to use this configuration can result in loss of connectivity.
Connecting cascade cables
1. Base Unit
2. Cascade Cable
3. Cascade Cable (used for return)
Stack configuration
Switches in a stack must be configured to perform as either the base or non-base units in the stack. The base unit performs important tasks during stack functioning and it is important that only one switch be designated as base.
These stack configuration tasks can be performed using either the User
Interface (UI) button on the front panel of the switch or the Unit Select switch on the back. The following sections describe the procedures for performing these tasks.
Stack configuration using the UI button
The UI button can be used to perform a number of stack configuration tasks.
This section describes the following tasks:
•
"Setting the Base Unit" (page 53)
•
"Setting the Non-Base Units" (page 53)
•
"Resetting the stack" (page 54)
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Nortel Ethernet Routing Switch 5500 Series Stack Configuration 53
•
"Abandoning a command" (page 54)
Setting the Base Unit To set the stack base unit with the UI button, follow this procedure:
Step Action
1
2
3
Press and hold the UI button for three seconds.
The unit is now in configuration mode. The color and status of the
Status LED turns to blinking green.
Press the UI button once.
The Base LED is illuminated and the Up and Down LEDs are steady green to indicate that the button press was recognized.
Press and hold the UI button for three seconds to confirm the command.
The Status LED returns to a steady green state to confirm command acceptance. If the command is rejected, the Status LED moves to a blinking amber state.
—End—
Note: The switch does not become the base unit until the next time the switch is restarted.
Setting the Non-Base Units To set the stack non-base units with the UI button, follow this procedure:
Step Action
1
2
3
Press and hold the UI button for three seconds.
The unit is now in configuration mode. The color and status of the
Status LED turns to blinking green.
Press the UI button twice.
The Base LED will turn off and the Up and Down LEDs will move to a steady green state.
Press and hold the UI button for three seconds to confirm the commands.
The Status LED returns to a steady green state to confirm command acceptance. If the command is rejected, the Status LED moves to a blinking amber state.
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54 Installing the Nortel Ethernet Routing Switch
—End—
Note: The switch does not become the non-base unit until the next time the switch is restarted.
Resetting the stack To reset the stack using the UI button, follow this procedure:
Step Action
1
2
3
Press and hold the UI button for three seconds.
The unit is now in configuration mode. The color and status of the
Status LED turns to blinking green.
Press the UI button three times.
The Base, Up, and Down LEDs will move to a blinking amber state and blink in unison.
Press and hold the UI button for three seconds to confirm the command.
—End—
Abandoning a command Once a command entered through the UI button is accepted, the new configuration is stored in NVRAM. To abort a command entered using the UI button, perform one of the following actions:
• Wait approximately twenty seconds after entering the command (without confirming it) and the input is ignored.
• Exit configuration mode by pressing the UI button five or more times.
Note: Wait sixty seconds after the last configuration change before resetting the unit. The system can take up to this long to save configuration changes to the NVRAM. Stacks can be reset immediately after the last configuration change without any loss of information.
Stack configuration using the Unit Select switch
The Unit Select switch is used to designate a switch in the stack as a base or non-base unit. Sliding the switch to the right designates that switch as the base unit. Only one switch in a stack may have the Unit Select switch in the base unit position. All other switches in the stack must have the Unit
Select switch in the left position which designates them as non-base units.
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Nortel Ethernet Routing Switch 5500 Series
Installation
NN47200-300 2.00
Standard
5.0
7 July 2006
Copyright © 2005 - 2006, Nortel Networks Nortel Networks Confidential
Nortel Ethernet Routing Switch 5500 Series Stack Configuration 55
Initial installation
During the initial installation of the stack, the software automatically determines the physical order of all units in the stack according to the position of the base unit within the stack. Thereafter, the individual units maintain their original unit numbering, even if the position of one or more units in the stack is changed.
For example, when the stack is initially powered, the base unit becomes unit
1 and the unit that the base unit connects to (via the Cascade Down cable) becomes unit 2 (and the next unit is unit 3 and so on), until the maximum stack configuration (up to 8 units) is reached. If the base unit is changed to another unit in the stack, the new base unit keeps its original unit number in the stack.
Stack MAC address
When a switch participates in a stack configuration, a stack MAC address is automatically assigned during stack initialization. The stack MAC address is the base unit MAC address plus 1. If another unit in the stack is assigned as the base unit, the new stack MAC address is the MAC address of the new base unit plus 1. The original stack IP address still applies to the new base unit.
Temporary base unit
If an assigned base unit fails, the next unit in the stack order automatically becomes the new temporary base unit. This change is indicated by the
Base LED on the temporary base unit LED display panel moving to a steady amber state.
This automatic failover is a temporary safeguard only. If the stack configuration loses power, the temporary base unit will not power up as the base unit when power is restored. Also, if the original unit rejoins the stack, it will not resume base unit status. For this reason, always assign the temporary base unit as the base unit until the failed unit is repaired or replaced.
Note: If the temporary base unit is not assigned as the new base unit, and the temporary base unit fails, the next unit in the stack order becomes the temporary base unit. This process will continue after successive failures until only two units are left in the stack.
Removing a stack unit
If a unit is removed from the stack (therefore operating in standalone mode), the following switch configuration settings revert to those configured before the unit became a member of the stack:
• IP address
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Nortel Ethernet Routing Switch 5500 Series
Installation
NN47200-300 2.00
Standard
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7 July 2006
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56 Installing the Nortel Ethernet Routing Switch
• Console, Web, Telnet, and SNMP passwords
• SNMP community strings
Replacing a stack unit
Note: Use only the console interface, command line interface, or
Web-based management system to replace or insert units in the stack.
To replace a failed stack unit or insert a new unit into a stack, follow this procedure:
Step Action
1
2
3
4
5
Upload a copy of the stack configuration file to a TFTP server.
Since unit failure is not a predictable situation, it is suggested that the stack configuration file is backed up regularly to a TFTP server.
Obtain the new switch.
Ensure that the new switch is set to factory default values. This new unit will be configured in standalone mode before inserting it into the stack.
Download the configuration file to the new unit.
Download the stack configuration file produced in step 1. The new unit will extract the relevant configuration information.
Set the unit number.
After the configuration file has been downloaded to the new unit, specify the stack unit that this new unit will replace. The switch will reboot with the stack configuration information.
Physically insert the new unit.
Turn off the new unit and physically replace the failed unit in the stack. Complete the cabling to attach the new unit to the stack and turn on the new unit.
—End—
If the base unit is being replaced, remember that the stack will have elected a temporary base unit. The new unit will not automatically assume the base unit status. Configure the new unit as the base unit using either the Unit
Select switch or UI button and reset the stack to make the new unit the base unit.
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Nortel Ethernet Routing Switch 5500 Series
Installation
NN47200-300 2.00
Standard
5.0
7 July 2006
Copyright © 2005 - 2006, Nortel Networks Nortel Networks Confidential
Nortel Ethernet Routing Switch 5500 Series Stack Configuration 57
Stack configurations
Due to stack parameters being associated with the base unit, the physical stack order depends on the base unit position and whether the stack is configured cascade up (stack up) or cascade down (stack down). This designation depends on the stack cabling arrangement.
The system automatically numbers the physical units based on the designated base unit (Unit 1). In a cascade down configuration, the base unit is physically located as the top unit in the stack. The cable connected to the Cascade Down connector of the base unit terminates in the Cascade Up connector on the next unit in the stack which is physically located below the base unit. This next unit is designated Unit 2. The stack is wired downward through the units and the system continues to number in this manner throughout the stack. In this configuration, the base unit discovers the stack in a cascade down (stack down) direction. The following illustration demonstrates a cascade down (stack down) configuration.
Cascade Down (Stack Down) configuration
1. Base Unit
2. Last Unit
3. Cascade Cable
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Nortel Ethernet Routing Switch 5500 Series
Installation
NN47200-300 2.00
Standard
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7 July 2006
Copyright © 2005 - 2006, Nortel Networks Nortel Networks Confidential
58 Installing the Nortel Ethernet Routing Switch
4. Cascade Cable
In a cascade up (stack up) configuration, the base unit is physically located as the top unit in the stack. The cable connected to the Cascade
Down connector of the base unit terminates in the Cascade Up connector physically located at the bottom of the stack. This next unit is designated Unit
2. The stack is wired upward through the units and the system continues to number in this manner throughout the stack. In this configuration, the base unit discovers the stack in a cascade up (stack up) direction. The following illustration demonstrates a cascade up (stack up) configuration.
Cascade Up (Stack Up) configuration
1. Base Unit
2. Last Unit
3. Cascade Cable
4. Cascade Cable
Note: Since many network management software packages assume a cascade down (stack down) configuration, Nortel recommends the usage of this configuration.
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Nortel Ethernet Routing Switch 5500 Series
Installation
NN47200-300 2.00
Standard
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7 July 2006
Copyright © 2005 - 2006, Nortel Networks Nortel Networks Confidential
Nortel Ethernet Routing Switch 5500 Series Stack Configuration 59
Regardless of stack configuration, the following applies:
• When power is applied to the stack the base unit initializes, typically within sixty seconds, and the entire stack powers up as a single logical unit.
• A RS-232 communications cable can be attached to the console port of any switch in the stack to establish a console connection.
• A software upgrade can be performed on the stack from any switch using the console interface, a Telnet session, the Web-based management interface, or any SNMP-based management software.
• The stack can be managed using a Telnet session, Web-based management interface, or any SNMP-based management software through any stack switch port.
• When stacking two or more switches. use the three foot cascade max-return cable (part number AL2018009) to complete the link from the last unit in the stack to the base unit.
Redundant cascade stacking
The Nortel Ethernet Routing Switch 5500 Series allows a stack of up to 8 units into a dual-path cascade stack. If any single unit fails or if a cable is accidently disconnected, other units in the stack remain operational without interruption.
In addition to increasing bandwidth, the software uses the cables to provide two paths between units. If one path breaks the data travels over the remaining path with half the normal inter-switch bandwidth.
The following diagram shows an example of how a stack configuration reacts to a failed connection in the stack configuration. In the illustrated example, the following is occurring:
• Unit 3 becomes non-operational due to a unit failure, cable disconnection, or a loss of power.
• Units 2 and 4, directly upstream and downstream from Unit 3, sense the loss of link signals from unit 3. The software causes all the data to traverse the remaining path.
• The Cascade Down LED for Unit 2 and the Cascade Up LED for Unit 4 turn amber to indicate an error has been detected.
• The remaining stack units continue to be connected.
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Nortel Ethernet Routing Switch 5500 Series
Installation
NN47200-300 2.00
Standard
5.0
7 July 2006
Copyright © 2005 - 2006, Nortel Networks Nortel Networks Confidential
60 Installing the Nortel Ethernet Routing Switch
Redundant cascade stacking
1. Base Unit
2. Last Unit
3. Cascade Cable
4. Cascade Cable
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Nortel Ethernet Routing Switch 5500 Series
Installation
NN47200-300 2.00
Standard
5.0
7 July 2006
Copyright © 2005 - 2006, Nortel Networks Nortel Networks Confidential

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