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Questions or Comments about this manual? Contact [email protected].
Visit www.mediaconverter.com for a complete overview of media conversion products available from IMC Networks.
19772 Pauling • Foothill Ranch, CA 92610-2611 USA
TEL: (949) 465-3000 • FAX: (949) 465-3020 www.imcnetworks.com
© 2001- 2003 IMC Networks. All rights reserved.
The information in this document is subject to change without notice. IMC Networks assumes no responsibility for any errors that may appear in this document.
MediaConverter, McPIMs, McLIMs and S2MM Module Sets are trademarks of
IMC Networks. Other brands or product names may be trademarks and are the property of their respective companies.
Document Number 51-80780-06 B1 M ARCH 2003
16
Installation
Guide
MediaConverter
About MediaConverters
The modular MediaConverter™ Series includes modules which convert between
100Base-TX, 100Base-FX and 100Base-FX single-mode Fast Ethernet cabling; 10Base-2,
10Base-T, 10Base-FL and 10Base-FL singlemode Ethernet cabling; or protocol-independent single-/multi-mode fiber optic cabling.
Q U I C K S T A R T
Introduction
Configuration
Jumper Settings
1
2
3
Crossover/Pass-Through
LinkLoss & FiberAlert
Auto-Negotiation
Installation of Modules
LED Indicators
Tech Support
11
13
4
5
8
9
Modular MediaConverter chassis provide power to media converter modules, and are available with one, four, eight or 12 slots for installing any combination of
McPIMs (10 Mbps Ethernet), McLIMs (100 Mbps Fast Ethernet) and S2MM
Module Sets (protocol-independent single-to-multi-mode fiber). For example, a MediaConverter/8 can be configured with one to eight McPIMs and
McLIMs, or one to four S2MM Module Sets, or any combination.
•MediaConverter/1 and /4 are standalone chassis which include one or four media conversion module slots, respectively, and a fixed, internal
100/240 VAC power supply.
•MediaConverter/8 is a 1U high, rackmountable chassis that includes eight media module slots and a fixed 100/240 VAC power supply.
•MediaConverter/12x chassis are rackmountable and include 12 media conversion module slots and either a 100/240 VAC or -48 VDC power supply. MediaConverter/12x is 1U high and has the power on the rear of the chassis with media conversion module slots on the front.
MediaConverter/12x, Front View
1
About McPIMs
McPIMs (Media Converter Port Interface Modules) are 10 Mbps Ethernet modules which provide a single-conversion between 10Base-T twisted pair and either 10Base-2 thin coax (McPIM TP/BNC) or 10Base-FL (McPIM
TP/FO) single-mode or multi-mode fiber. McPIMs with twisted pair ports include one RJ-45 connector, McPIMs with thin coax ports include one
BNC connector and McPIMs with fiber ports include one pair of fiber optic connectors. Each McPIM requires one slot in a MediaConverter chassis.
About McLIMs
McLIMs (Media Converter Link Interface Modules) are 100 Mbps Fast
Ethernet modules which provide a single-conversion between 100Base-TX twisted pair and 100Base-FX (McLIM TX/FX) or 100Base-SX (McLIM
TX/SX) fiber and support Half- or Full-Duplex. McLIM TP-TX/FX is an autonegotiating, switching media converter which offers plug-and-play operation to convert 10 Mbps or 100 Mbps, Half-or Full-Duplex twisted pair to
100Base-FX, Full-Duplex fiber. McLIM TP-TX/FX protects against Broadcast storms, and allows jumbo packets of up to 1916 bytes. Each McLIM requires one slot in a MediaConverter chassis. McLIMs come with one
RJ-45 connector for the twisted pair port and one pair of fiber connectors.
About S2MMs
Protocol-indepedent S2MM (Single-to-Multi-Mode) Module Sets convert multi-mode to single-mode fiber using transmission speeds from 10
Mbps Ethernet to OC-3 (155 Mbps). Each S2MM Module Set consists of two modules, each with two pairs of fiber connectors. Since S2MM Module
Sets require two slots in a MediaConverter chassis to do a single conversion, they cannot be used in a MediaConverter/1 chassis.
N O T E
McPIMs, McLIMs and S2MM Module Sets will be referred to as “Media
Conversion Modules” except where differences need to be indicated.
Configuring Media Conversion Modules
Before installing, McPIMs and McLIMs may be configured for a variety of features (see the chart on opposite page for specifics). McLIM TP-TX/FX and S2MM Module Sets come ready to install. The diagrams on the following page show the location of the configuration jumpers and switches on the various Media Conversion Modules.
N O T E
Some features may not be available on all versions of modules.
2 issued by IMC Networks. No products will be accepted by IMC Networks, which do not have an RMA number. For an RMA number, contact IMC Networks at PHONE: (949) 465-3000 or
(800) 624-1070 (in the U.S. and Canada) or FAX: (949) 465-3020. The end-user shall return the defective product to IMC Networks, freight charges prepaid. The shipping instructions in
CRMA documentation are included with each issuance via e-mail. End-user agrees to accept all liability for loss of or damages to the returned product during shipment. IMC Networks shall repair or replace the returned product, at its option, and return the repaired or new product to the end-user, freight prepaid, via method to be determined by IMC Networks.
IMC Networks shall not be liable for any costs of procurement of substitute goods, loss of profits, or any incidental, consequential, and/or special damages of any kind resulting from a breach of any applicable express or implied warranty, breach of any obligation arising from breach of warranty, or otherwise with respect to the manufacture and sale of any IMC
Networks product, whether or not IMC Networks has been advised of the possibility of such loss or damage.
EXCEPT FOR THE EXPRESS WARRANTY SET FORTH ABOVE, IMC NETWORKS MAKES NO
OTHER WARRANTIES, WHETHER EXPRESS OR IMPLIED, WITH RESPECT TO THIS IMC
NETWORKS PRODUCT, INCLUDING WITHOUT LIMITATION ANY SOFTWARE ASSOCIAT-
ED OR INCLUDED. IMC NETWORKS SHALL DISREGARD AND NOT BE BOUND BY ANY
REPRESENTATIONS OR WARRANTIES MADE BY ANY OTHER PERSON, INCLUDING
EMPLOYEES, DISTRIBUTORS, RESELLERS OR DEALERS OF IMC NETWORKS, WHICH ARE
INCONSISTENT WITH THE WARRANTY, SET FORTH ABOVE. ALL IMPLIED WARRANTIES
INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE HEREBY LIMITED TO THE DURATION OF THE EXPRESS WARRANTY STATED ABOVE.
Every reasonable effort has been made to ensure that IMC Networks product manuals and promotional materials accurately describe IMC Networks product specifications and capabilities at the time of publication. However, because of ongoing improvements and updating of IMC
Networks products, IMC Networks cannot guarantee the accuracy of printed materials after the date of publication and disclaims liability for changes, errors or omissions.
F
E D E R A L
C
O M M U N I C A T I O N S
C
O M M I S S I O N
R
A D I O
F
R E Q U E N C Y
I
N T E R F E R E N C E
S
T A T E M E N T
This equipment has been tested and found to comply with the limits for a Class
A computing device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which the user will be required to correct the interference at his own expense.
Any changes or modifications not expressly approved by the manufacturer could void the user's authority to operate the equipment. The use of non-shielded I/O cables may not guarantee compliance with FCC RFI limits.
This digital apparatus does not exceed the Class A limits for radio noise emission from digital apparatus set out in the Radio Interference Regulation of the Canadian
Department of Communications.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de classe A prescrites dans le Règlement sur le brouillage radioélectrique publié par le ministère des Communications du
Canada.
15
5) If you suspect that the optics have been contaminated, alternate between blasting with clean dry compressed air and flushing with methanol to remove particles of dirt.
E
L E C T R O S T A T I C
D
I S C H A R G E
P
R E C A U T I O N S
Electrostatic discharge (ESD) can cause damage to your add-in modules. Always observe the following precautions when installing or handling an add-in module or any board assembly.
1) Do not remove unit from its protective packaging until you’re ready to install it.
2) Wear an ESD wrist grounding strap before handling any module or component. If you do not have a wrist strap, maintain grounded contact with the system unit throughout any procedure requiring
ESD protection.
WARNING! Integrated circuits and fiber optic components are extremely susceptible to electrostatic discharge damage. Do not handle these components directly unless you are a qualified service technician and use tools and techniques that conform to accepted industry practices.
3) Hold boards by the edges only; do not touch the electronic components or gold connectors.
4) After removal, always place the boards on a grounded, static-free surface, ESD pad or in a proper ESD bag. Do not slide the board over any surface.
W
A R R A N T Y
IMC Networks warrants to the original end-user purchaser that this product, EXCLUSIVE OF
SOFTWARE, shall be free from defects in materials and workmanship under normal and proper use in accordance with IMC Networks' instructions and directions for a period of six (6) years after the original date of purchase. If this product was purchased prior to December
1998, the aforementioned warranty is applicable for a three (3) year period. This warranty is subject to the limitations set forth below.
At its option, IMC Networks will repair or replace at no charge the product, which proves to be defective within such warranty period. This limited warranty shall not apply if the IMC
Networks product has been damaged by unreasonable use, accident, negligence, service or modification by anyone other than an authorized IMC Networks Service Technician or by any other causes unrelated to defective materials or workmanship. Any replaced or repaired products or parts carry a ninety (90) day warranty or the remainder of the initial warranty period, whichever is longer. Advanced Replacement will also require the end user to be invoiced for the product as well as shipment. Credit will be issued once the faulty unit has been received and evaluated by IMC Networks. Faulty products are due within 90 days of receipt for
International customers, and 30 days for Domestic customers.
To receive in-warranty service, the defective product must be received at IMC Networks no later than the end of the warranty period. The product must be accompanied by proof of purchase, satisfactory to IMC Networks, denoting product serial number and purchase date, a written description of the defect and a Return Merchandise Authorization (RMA) number
14
B
O A R D
D
I A G R A M S A N D
J
U M P E R
/ S
W I T C H
S
E T T I N G S
Twisted Pair Crossover/
Pass-Through Switch (S1)
BNC Termination
Jumper (JP2)
Crossover/
Pass-Through
Switch (S1)
BNC Termination
Jumper (JP1)
McPIM TP/BNC (-20)
Twisted Pair
Cable Type
Jumper (JP3)
LinkLoss
Jumper (JP4)
Twisted Pair
Distance
Jumper (JP2)
FiberAlert
Jumper (JP5)
Twisted Pair Crossover/
Pass-Through Switch (S1)
McPIM TP/BNC (-30)
LinkLoss
Jumper (JP2)
FiberAlert
Jumper (JP1)
Twisted Pair
Distance
Jumper (JP3)
Twisted Pair Crossover/
Pass-Through Switch (S1)
STP
UTP
McPIM TP/FO (-20)
LinkLoss
Jumper (JP1)
FiberAlert
Jumper (JP2)
Auto-Negotiation
Jumper (JP3)
McPIM TP/FO (-40)
Auto-Negotiation
FiberAlert
Jumper (JP2) FX LinkLoss
Jumper (JP3) TX LinkLoss
Jumper (JP1)
Jumper (JP4)
McLIM TX/FX (-20) McLIM TX/FX (-50)
To determine which board diagram (-20, -40, -50, etc.) matches your module, compare the jumper locations with the diagrams found above.
1
2
3
NOTE: PIN #
1 2 3
3
M
E D I A
C
O N V E R T E R
J
U M P E R
C
O N F I G U R A T I O N
C
H A R T
Module/
Board Feature
Jumper
Position
ON
(pins)
OFF
(pins)
Factory
Default
M
C
PIM TP/BNC (-20) BNC Termination JP2 both one or none ON
M
C
PIM TP/BNC (-30)
M
C
PIM TP/FO (-20)
M
C
PIM TP/FO (-40)
M C LIM TX/FX (-20)
M C LIM TX/FX (-50)
BNC Termination
TP Dist. (100+ M)
Shielded Cable
FO LinkLoss
FiberAlert
FiberAlert
FO LinkLoss
TP Dist. (100+ M)
FX LinkLoss
FiberAlert
Auto-Negotiation
FiberAlert
Auto-Negotiation
FX LinkLoss
TX LinkLoss
JP1
JP2
JP3
JP4
JP5
JP1
JP2
JP3
JP1
JP2
JP3
JP1
JP2
JP3
JP4 both one or none one or none both
1-2
2-3 both one or none
2-3
1-2
1-2
1-2
1-2
2-3
2-3
2-3
2-3
1-2
1-2
1-2
1-2
1-2
1-2
1-2
2-3
2-3
2-3
2-3
2-3
2-3
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
B N C P
O R T
T
E R M I N A T I O N
McPIMs with BNC ports feature a 2-pin jumper block, located at position JP1 or JP2, for terminating a thin coaxial segment at the
MediaConverter without an additional ‘T’ connector and terminator. (Note: jumper position is dependant on board revision).
To terminate a thin Ethernet segment at the
MediaConverter, attach the cable directly to the BNC connector and set the jumper to the ON (enabled, factory default) position by placing the jumper shunt over both pins.
N O T E
If the MediaConverter is attached to a midpoint of a thin Ethernet segment, attach a ‘T’ connector to the BNC port and set the termination jumper to the OFF (disabled) position by placing the shunt on only one pin.
When the BNC port is not being used, IMC Networks recommends that a 50 Ω terminator be connected to the port.
Thin Ethernet segments must be properly terminated at both ends and grounded at one end. If the BNC port is not terminated correctly, the
ACTIVITY light on the front panel will not glow.
T
W I S T E D
P
A I R
C
R O S S O V E R
/ P
A S S
- T
H R O U G H
C
O N N E C T I O N S
Whether you are using crossover or straight-through CAT5 twisted pair cabling, McPIM and McLIM TP-TX/FX modules will support both types of connections by one of the following methods:
4
General Information
I M C N
E T W O R K S
T
E C H N I C A L
S
U P P O R T
Phone: (949) 465-3000 or (800) 624-1070 (in the U.S. and Canada);
+32-16-550880 (Europe)
Fax: (949) 465-3020
E-Mail: [email protected]
Web: www.imcnetworks.com
S
P E C I F I C A T I O N S
Environmental
Operating Temperature: 32° - 104° F (0° - 40° C)
Storage Temperature: 0° - 160° F (-20° - 70° C)
Humidity: 5 - 95% (non-condensing)
Electrical
AC: 100-240 VAC ±10%, 1.2A/0.6A
DC: -48 VDC ±10VDC. 5A
Fiber Optic Specifications
For fiber optic specifications, visit our Web site at http://www.imcnetworks.com/adocs/fcs.asp
.
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I B E R
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P T I C
C
L E A N I N G
G
U I D E L I N E S
Fiber optic transmitters and receivers are extremely susceptible to contamination by particles of dirt or dust which can obstruct the optic path and cause performance degradation. Good system performance requires clean optics and connector ferrules.
1) Use fiber patch cords (or connectors, if you terminate your own fiber) only from a reputable supplier; low quality components can cause many hard-to-diagnose problems in an installation.
2) Dust caps are installed at IMC Networks to ensure factory-clean optical devices. These protective caps should not be removed until the moment of connecting the fiber cable to the device. Assure that the fiber is properly terminated, polished and free of any dust or dirt and that the location is as free from dust and dirt as possible.
3) Store spare caps in a dust free environment such as a sealed plastic bag or box so that when reinstalled they do not introduce any contamination to the optics.
4) Should it be necessary to disconnect the fiber device, reinstall the protective dust caps.
13
LEDs on McLIM TP-TX/FX
The LED functions on McLIM TP-TX/FX are as follows:
Fiber (FX)
Link/Actvity LED
Twisted Pair (TX)
Activity /Link LED
XMT RCV
FX L
INK
/ACT Glows green when link is established on the FX port; blinks green when activity is detected on the port
TX L
INK
/ACT Glows green when link is established on the TP/TX port; blinks green when activity is detected on the port
LEDs on S2MM
The LED function on S2MM Module Sets is follows:
A
CTIVITY Glows green in normal operation.
LEDs on MediaConverter Chassis
MediaConverter/1, 4 and 8 include LEDs on the back of the chassis.
P OWER
A CTIVITY
Glows green when chassis has power.
When 10 Mbps modules are installed, this LED blinks green when data is being passed on either port. When any other module is installed, the LED doesn’t illuminate.
LEDs on Power Supplies
P
OWER Glows green when powered-on.
12
AutoCross: McLIM TP-TX/FX includes AutoCross, a feature which automatically selects between a crossover workstation or pass-through/repeater hub connection depending on the connected device.
MDI/MDI-X Switch: All McPIMs feature a 2-position switch, located at position S1 (see page 3 for location on boards), for selecting a crossover workstation connection or pass-through repeater/hub connection.
The switch is labeled with “X” for a crossover connection (factory default) and an “ll” for a pass-through connection. Select the appropriate setting by moving the switch to the proper position before installing the media conversion module. If uncertain whether crossover or pass-through is needed, set the switch to the position that makes the link LED glow.
Device-Dependent: The type of twisted pair connection for McLIM
TX/FX and TX/SX is determined by the end device to which the module is connected.
NOTE: The appropriate type of cable must be used for a link to be established. Refer to the documenation for the device connected to your McLIM TX/FX or TX/SX for information.
T
W I S T E D
P
A I R
C
A B L E
D
I S T A N C E
The twisted pair port on McPIM TP/FO features a 2-position jumper, located at position JP2, for selecting longer twisted pair cable distances
(distances greater than 100 meters). Place the jumper over both pins for distances up to 100 meters (factory default). Remove the jumper shunt or place it on only one pin for distances of 100 meters or more.
NOTE: The product on the other side of the conversion must be able to support longer cable distances as well.
T
W I S T E D
P
A I R
C
A B L E
T
Y P E
The twisted pair port on McPIM TP/FOs features a 2-position jumper, located at position JP3, for selecting either a shielded or unshielded twisted pair link segment. Remove the jumper shunt or place it on only one pin to select an unshielded twisted pair link segment (factory default).
Place the jumper shunt over both pins to select a shielded twisted pair link segment.
NOTE: This jumper is not found on -40 McPIM boards.
About LinkLoss and FiberAlert
McPIM TP/FO and McLIM TX/FX and TX/SX include the following features:
• FO/FX LinkLoss (a.k.a. "Fiber LinkLoss" or "LinkLoss")
• TP/TX LinkLoss (a.k.a. "Twisted Pair LinkLoss” or "Reverse LinkLoss”)
• FiberAlert
FiberAlert and LinkLoss are advanced troubleshooting features that can help you locate "silent failures" on your network. However, it is vital that
5
you understand exactly how FiberAlert and LinkLoss work, and how they will react in your network configuration, before attempting to install the enclosed module(s).
Installing modules without understanding the effects of FiberAlert and
LinkLoss can cause perfectly functioning units to appear flawed or
even dead.
A
B O U T
L
I N K
I
N T E G R I T Y
During normal operation, link integrity pulses are transmitted by all pointto-point Ethernet devices. When an IMC Networks media converter receives valid link pulses, it knows that the device to which it is connected is up and sending pulses, and that the copper or fiber cable coming from that device is intact. The appropriate “LNK” (link) LED is lit to indicate this.
The IMC Networks media converter also sends out link pulses from its copper and fiber transmitters, but normally has no way of knowing whether the cable to the other device is intact and the link pulses are reaching the other end. The combination of FiberAlert and LinkLoss allows this information to be obtained, even when physical access to a remote device (and its link integrity LED) is not available.
W H A T I S F O / F X L I N K L O S S ?
FO/FX LinkLoss is a troubleshooting feature. When a fault occurs on the fiber segment of a conversion, FO/FX LinkLoss detects the fault and passes this information to the twisted pair segment. If a media converter is not receiving a fiber link, FO/FX LinkLoss disables the transmitter on the media converter's twisted pair port. This results in a loss of link on the device connected to the twisted pair port.
W
H A T
I
S
T P / T X L
I N K
L
O S S
?
TP/TX LinkLoss is another troubleshooting feature. When a fault occurs on the twisted pair segment of a conversion, TP/TX LinkLoss detects the fault and passes this information to the fiber segment. If a media converter is not receiving a twisted pair link, TP/TX LinkLoss disables the transmitter on the media converter's fiber port. This results in a loss of link on the device connected to the fiber port.
6
LED Indicators
Each media conversion module features diagnostic LEDs (see diagrams below) that provide information on features and ports.
LEDs on McPIM TP/FO
The LED functions for McPIM TP/FO are as follows:
Fiber Activity/
FiberAlert LED
Twisted Pair (TP)
Link LED
Twisted Pair (TP)
Fiber (FO)
FO L
INK
Link LED
RCV XMT
Activity LED
/ O
Glows green when link is established on the fiber port.
F IBER A LERT Glows yellow when FiberAlert is enabled.
TP L
INK Glows green when link is established on the TP port.
A
CTIVITY Blinks yellow when data is being passed on either port.
(Note: On a -40 McPIM TP/FO, the TP RCV, TP LNK and FO Link LEDs flicker at a rate proportional to the rate that data is being passed on the ports. When traffic is
low, the LEDs flicker visibly, while they appear to glow when traffic is high.)
LEDs on McPIM TP/BNC
The LED function on McPIM TP/BNC is as follows:
Activity LED
Twisted Pair Link LED
TP L INK
A
CTIVITY
Glows green when link is established on the TP port .
Glows yellow when data is being passed on the TP port.
LEDs on McLIM TX/FX and TX/SX
The LED functions on McLIM TX/FX and TX/SX are as follows:
Fiber (FX)
Actvity LED
Twisted Pair (TX)
Link LED
Fiber (FX)
Link LED
XMT RCV
Twisted Pair (TX)
Activity LED
FX L
INK Glows green when link is established on the FX port.
FX A CTIVITY Glows yellow if data is being passed on the FX port.
TX P
AIR
L
INK Glows green if link is established on the TX port.
TX A
CTIVITY Glows yellow when data is being passed on the TX port.
11
O
V E R D R I V I N G
S
H O R T
D
I S T A N C E
I
N S T A L L A T I O N S
If attempting to use a high powered device (which is designed for long distance installations) for a short distance installation, the fiber transmitters may overdrive the receivers and cause data loss. If this is the case, you may need to add an optical attenuator to your connection. Please visit our Web site at
www.imcnetworks.com/adocs/fcs.asp for fiber specifications, or contact
IMC Networks for more information.
P
O W E R
S
U P P Y
I
N S T A L L A T I O N
T
I P
When installing a redundant power supply module into a powered-on chassis, it is recommended the ON/OFF switch on the module (if present) be set to OFF. After installing the power supply, turn its switch ON. If the redundant power suppply module does NOT have an ON/OFF switch, IMC
Networks recommends powering-down the chassis before installing the power supply. Turn the chassis back ON after installing the power supply.
C
O N V E R T I N G
S
I N G L E
- / M
U L T I
- M
O D E
F
I B E R
O
P T I C S
The following illustrations show three typical cabling configurations —
(1) a single-mode connection between an 850nm multi-mode fiber device and a 1300nm single-mode fiber device, (2) a single-mode connection between two 850nm multi-mode fiber devices and (3) a single-mode connection between two OC-3 multi-mode fiber devices.
10
W
H A T
I
S
F
I B E R
A
L E R T
?
Local Site
FiberAlert minimizes the problems associated with the loss of one strand of fiber. If a strand is unavailable, the
IMC Networks device at the receiver
XMT
RCV
LED
Cable Break
Remote Site
RCV
XMT end notes the loss of link. The device will then stop transmitting data and
LED OFF = Broken Link
LED
IMC Networks product with FiberAlert enabled —
Remote Site stops transmitting
Local Link LED is OFF indicating a break in the fiber loop the link signal until a signal or link pulse is received. The result is that the link LED on BOTH sides of the fiber connection will go out indicating a fault somewhere in the fiber loop. Using
FiberAlert, a local site administrator is notified of a fault and can quickly determine where a cable fault is located.
Enable FiberAlert on ONE side of a media conversion only. Enabling it on both sides would keep both transmitters off indefinitely!
U
S I N G
F
I B E R
A
L E R T A N D
L
I N K
L
O S S
The following chart provides a quick overview of your module’s troubleshooting features:
F I B E R A L E R T / L I N K L O S S C O M P A R E D
Feature Fault Location Disabled LEDs
FiberAlert
FO/FX LinkLoss
TP/TX LinkLoss
Fiber
Fiber
Twisted Pair
Fiber
Twisted Pair
Fiber
In a typical central/main site to remote site media conversion, IMC
Networks recommends enabling your media converters’ troubleshooting features as follows:
FO/FX LinkLoss:
Main Site Only
TP/TX LinkLoss:
Remote Site Only
FiberAlert:
Remote Site Only
This will ensure that any faults, no matter where they occur, can be detected by an administrator located at the central site.
C
O N F I G U R I N G
L
I N K
L
O S S A N D
F
I B E R
A
L E R T
LinkLoss and FiberAlert are configured with separate 3-pin jumper blocks located at various positions depending on module and board type.
See the chart on page 3 of this manual to determine what features your module offers as well as the jumper locations and ON/OFF positions.
T
R O U B L E S H O O T I N G W I T H
L
I N K
L
O S S A N D
F
I B E R
A
L E R T
If FO/FX LinkLoss is enabled and you lose the connection between the
MediaConverter and the hub/switch to which the MediaConverter is con-
7
nected, disable FO/FX LinkLoss to assist in pin-pointing whether the fault is on the twisted pair or fiber optic segment. After disabling FO/FX LinkLoss, if the link is reestablished with the hub/switch, the problem resides with the fiber segment. If FO/FX LinkLoss is disabled and the connection between the MediaConverter and the hub/switch is NOT reestablished, the failure resides with the twisted pair segment. When a failure occurs, check that cables are properly connected. You can also try using another port on the hub/switch or another cable.
As discussed earlier, FiberAlert stops the fiber optic transmissions as well as the link LED for the opposite end of the fiber conversion when a problem occurs with the fiber optic receive segment. When FiberAlert is enabled and a fault is detected, disable FiberAlert to determine which side of the fiber has stopped receiving. When a failure occurs, check that cables are properly connected. You can also try using another cable.
For more information on LinkLoss and FiberAlert, visit the IMC Networks
Web site at http://www.imcnetworks.com/tech/ref-ffeatures.asp. If you are unsure of how best to implement these features in your configuration, contact IMC Networks technical support at (800) 624-1070 (U.S. and Canada),
+32-16-550880 (Europe) or via e-mail at: [email protected].
A U T O - N E G O T I A T I O N O N M C L I M T X / F X A N D T X / S X
When Auto-Negotiation is enabled, the media converter negotiates as a 100 Mbps Full-Duplex device; if the device the media converter is connected to can operate at 100 Mbps Full-Duplex, a link will be established.
If the twisted pair port on the other device does not have the ability to auto-negotiate, or if a 100 Mbps Half-Duplex connection is desired, Auto-
Negotiation on the media converter must be disabled. Half- and Full-
Duplex settings must be manually set and match on both end devices to which the media converters are connected. The diagram below shows a typical application, followed by a table with three possible configurations.
A
U T O
- N
E G O T I A T I O N O N
M
C
L I M T P - T X / F X
Auto-Negotiation is a standard feature on McLIM TP-TX/FX. The fiber port always operates at 100 Mbps FDX; the copper port auto-senses the connected device’s speed and duplex mode: 10 Mbps or 100 Mbps and HDX or FDX (including Flow Control).
NOTE: McLIM TP-TX/FX is a Plug-And-Play device, therefore Auto-Negotiation is always enabled. If connecting to a device that does not auto-negotiate, manually set its speed and duplex mode.
Auto-Negotiation Product Comparison
McPIM TP/FO Auto-Negotiation Not Available
McLIM TX/FX and TX/SX Auto-Negotiation
McLIM TP-TX/FX Auto-Negotiation
DIP Switch Selectable
Always Enabled
Installing Media Conversion Modules
You can install media conversion modules in any available slot in a
MediaConverter chassis. Media conversion modules are hot-swappable.
Note: S2MM Module Sets require two available slots, but still must be used as a set
to provide a complete conversion. We recommend installing each S2MM Module
Set side-by-side (left-to-right or top-to-bottom) to prevent mismatching module sets.
It is necessary to power the unit down before configuration.
Media conversion modules are shipped with brackets for securing them to the MediaConverter chassis. To install a module, simply unscrew the blank bracket covering the slot where the module is to be installed, slide the module into the chassis, via the cardguides, until the module is seated securely in the connector, screw in the bracket supplied with the module, then connect the cables.
Auto-Negotiation is configured with a 3-pin jumper block located at various positions on McLIMs, depending on board type. Please see the diagrams and chart on page 3 of this manual to verify jumper position and default setting.
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N O T E
MediaConverter chassis are shipped from the factory with all but one media conversion module slot covered with “blank” brackets. Be sure to keep unused slots covered for EMI containment. It is a good idea to save any “blanks” removed during installation for future use if configuration requirements change.
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