D-Link DES-1004 User`s guide

DES-1004/ DES-1008
10/100 Fast Ethernet Switch
User’s Guide
Rev. 01 (May, 1997)
6DES1008..01
Printed In Taiwan
RECYCLABLE
Wichtige Sicherheitshinweise
1.
Bitte lesen Sie sich diese Hinweise sorgfältig durch.
2.
Heben Sie diese Anleitung für den spätern Gebrauch auf.
3.
Vor jedem Reinigen ist das Gerät vom Stromnetz zu trennen. Vervenden Sie keine Flüssig- oder
Aerosolreiniger. Am besten dient ein angefeuchtetes Tuch zur Reinigung.
4.
Um eine Beschädigung des Gerätes zu vermeiden sollten Sie nur Zubehörteile verwenden, die vom
Hersteller zugelassen sind.
5.
Das Gerät is vor Feuchtigkeit zu schützen.
6.
Bei der Aufstellung des Gerätes ist auf sichern Stand zu achten. Ein Kippen oder Fallen könnte
Verletzungen hervorrufen. Verwenden Sie nur sichere Standorte und beachten Sie die Aufstellhinweise
des Herstellers.
7.
Die Belüftungsöffnungen dienen zur Luftzirkulation die das Gerät vor Überhitzung schützt. Sorgen Sie
dafür, daß diese Öffnungen nicht abgedeckt werden.
8.
Beachten Sie beim Anschluß an das Stromnetz die Anschlußwerte.
9.
Die Netzanschlußsteckdose muß aus Gründen der elektrischen Sicherheit einen Schutzleiterkontakt
haben.
10. Verlegen Sie die Netzanschlußleitung so, daß niemand darüber fallen kann. Es sollete auch nichts auf der
Leitung abgestellt werden.
11. Alle Hinweise und Warnungen die sich am Geräten befinden sind zu beachten.
12. Wird das Gerät über einen längeren Zeitraum nicht benutzt, sollten Sie es vom Stromnetz trennen. Somit
wird im Falle einer Überspannung eine Beschädigung vermieden.
13. Durch die Lüftungsöffnungen dürfen niemals Gegenstände oder Flüssigkeiten in das Gerät gelangen.
Dies könnte einen Brand bzw. Elektrischen Schlag auslösen.
14. Öffnen Sie niemals das Gerät. Das Gerät darf aus Gründen der elektrischen Sicherheit nur von
authorisiertem Servicepersonal geöffnet werden.
15. Wenn folgende Situationen auftreten ist das Gerät vom Stromnetz zu trennen und von einer qualifizierten
Servicestelle zu überprüfen:
a – Netzkabel oder Netzstecker sint beschädigt.
b – Flüssigkeit ist in das Gerät eingedrungen.
c – Das Gerät war Feuchtigkeit ausgesetzt.
d – Wenn das Gerät nicht der Bedienungsanleitung ensprechend funktioniert oder Sie mit Hilfe dieser
Anleitung keine Verbesserung erzielen.
e – Das Gerät ist gefallen und/oder das Gehäuse ist beschädigt.
f – Wenn das Gerät deutliche Anzeichen eines Defektes aufweist.
16. Bei Reparaturen dürfen nur Orginalersatzteile bzw. den Orginalteilen entsprechende Teile verwendet
werden. Der Einsatz von ungeeigneten Ersatzteilen kann eine weitere Beschädigung hervorrufen.
17. Wenden Sie sich mit allen Fragen die Service und Repartur betreffen an Ihren Servicepartner. Somit
stellen Sie die Betriebssicherheit des Gerätes sicher.
WARRANTIES EXCLUSIVE
IF THE D-LINK PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE, THE CUSTOMER'S
SOLE REMEDY SHALL BE, AT D-LINK'S OPTION, REPAIR OR REPLACEMENT. THE FOREGOING
WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER
WARRANTIES, EXPRESSED OR IMPLIED, EITHER IN FACT OR BY OPERATION OF LAW,
STATUTORY OR OTHERWISE, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS
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PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE,
INSTALLATION MAINTENANCE OR USE OF D-LINK'S PRODUCTS
D-LINK SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND EXAMINATION
DISCLOSE THAT THE ALLEGED DEFECT IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED
BY THE CUSTOMER'S OR ANY THIRD PERSON'S MISUSE, NEGLECT, IMPROPER INSTALLATION
OR TESTING, UNAUTHORIZED ATTEMPTS TO REPAIR, OR ANY OTHER CAUSE BEYOND THE
RANGE OF THE INTENDED USE, OR BY ACCIDENT, FIRE, LIGHTNING OR OTHER HAZARD.
LIMITATION OF LIABILITY
IN NO EVENT WILL D-LINK BE LIABLE FOR ANY DAMAGES, INCLUDING LOSS OF DATA, LOSS
OF PROFITS, COST OF COVER OR OTHER INCIDENTAL, CONSEQUENTIAL OR INDIRECT
DAMAGES ARISING OUT THE INSTALLATION, MAINTENANCE, USE, PERFORMANCE, FAILURE
OR INTERRUPTION OF A D- LINK PRODUCT, HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY. THIS LIMITATION WILL APPLY EVEN IF D-LINK HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
IF YOU PURCHASED A D-LINK PRODUCT IN THE UNITED STATES, SOME STATES DO NOT
ALLOW THE LIMITATION OR EXCLUSION OF LIABILITY FOR INCIDENTAL OR
CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
Limited Warranty
Hardware:
D-Link warrants its hardware products to be free from defects in workmanship and materials, under normal use
and service, for the following lengths of time from the date of purchase from D-Link or its Authorized
Reseller:
Product Type
Unmanaged Ethernet Switch
Managed Ethernet Switch
Warranty Period
Lifetime
Three years
If a product does not operate as warranted during the applicable warranty period, D-Link shall, at its option and
expense, (1) repair the defective product or part, (2) deliver to Customer an equivalent product or part to
replace the defective item. All products that are replaced will become the property of D-Link. Replacement
products may be new or reconditioned. Any replaced or repaired product or part has a ninety (90) day
warranty or the remainder of the initial warranty period, whichever is longer.
D-Link shall not be responsible for any software, firmware, information, or memory data of Customer
contained in, stored on, or integrated with any products returned to D-Link pursuant to any warranty.
All products with lifetime warranty have a standard five-year warranty. To qualify for lifetime warranty, the
enclosed Product Registration Card must be completed and returned to D-Link within ninety (90) days of
purchase.
Warranty service may be obtained by contacting a D-Link office within the applicable warranty period for a
Return Material Authorization (RMA) number. If a Registration Card has not been previously sent, proof of
purchase, such as a copy of the dated purchase invoice, must be provided. Once an RMA number is issued,
the defective product must be shipped back to D-Link prepaid, insured and wrapped in the original or similar
shipping package to ensure that it will not be damaged during shipment. When returning the defective product
to D-Link for service, the RMA number must be marked on the outside of the shipping package. Any product
returned without an RMA number shall be rejected and sent back to the Customer, and D-Link reserves the
right to have Customer bear the cost of sending back such products. A service charge may or may not be levied
to Customer by D-Link. To find out if a service charge is levied or not, and the charged amount, read the
RMA that is returned to Customer, or ask the D-Link office when an RMA is requested.
Software:
D-Link warrants that the software programs licensed from it will perform in substantial conformance to the
applicable published program specifications for a period of ninety (90) days from the date of purchase from DLink or its Authorized Reseller. D-Link warrants the magnetic media containing software against failure
during the warranty period. No updates are provided. D-Link's sole obligation hereunder shall be to replace
any defective software products with products which substantially conform to D-Link's applicable published
specifications. Customer assumes responsibility for the selection of the appropriate applications program and
associated reference materials. D-Link makes no warranty that its software products will work in combination
with any hardware or applications software products provided by third party, that the operation of the software
products will be uninterrupted or error free, or that all defects in the software product will be corrected. For any
third party products listed in the D-Link software product documentation or specifications as being compatible,
D-Link will make reasonable efforts to provide compatibility, except where the non-compatibility is caused by
"bug" or defect in the third party's product.
Warranty service for software products may be obtained by contacting a D-Link office within the warranty
period. Where no Product Registration Card has been sent by Customer, proof of purchase, such as a copy of
the dated purchased invoice, must be provided.
D-Link Offices to Contact for Warranty Service:
To obtain an RMA number for warranty service, contact the D-Link office nearest you. A list of contact
addresses for D-Link’s international offices is found in the back of this User’s Guide. Your Warranty
Registration Card should also be sent to your regional D-Link office.
Trademarks
Copyright 1996 D-Link Corporation.
Contents subject to change without prior notice.
D-Link is a registered trademark of D-Link Corporation/D-Link Systems,
Inc.
All other trademarks belong to their respective proprietors.
Copyright Statement
No part of this publication may be reproduced in any form or by any means
or used to make any derivative such as translation, transformation, or
adaptation without permission from D-Link Corporation/D-Link Systems
Inc., as stipulated by the United States Copyright Act of 1976.
FCC Warning
This equipment has been tested and found to comply with the limits for a
Class A digital 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 this user’s guide, may cause harmful
interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user
will be required to correct the interference at his own expense.
CE Mark Warning
This is a Class A product. In a domestic environment, this product may
cause radio interference in which case the user may be required to take
adequate measures.
T ABLE OF C ONTENTS
0 ABOUT THIS GUIDE .............................................................................IX
PURPOSE ...................................................................................................... IX
TERMS/USAGE ............................................................................................. IX
OVERVIEW OF THIS USER’S GUIDE ................................................................ X
1 INTRODUCTION ...................................................................................... 1
FAST ETHERNET TECHNOLOGY ..................................................................... 1
SWITCHING TECHNOLOGY............................................................................. 2
FEATURES ..................................................................................................... 3
Performance features................................................................................ 4
2 UNPACKING AND SETUP ..................................................................... 6
UNPACKING .................................................................................................. 6
SETUP ........................................................................................................... 7
DESKTOP OR SHELF INSTALLATION ............................................................... 7
WALL INSTALLATION (DES-1004)................................................................ 8
RACK INSTALLATION (DES-1008) ................................................................ 9
POWER ON .................................................................................................. 11
DES-1004................................................................................................ 11
DES-1008................................................................................................ 11
LED Indicators ....................................................................................... 11
Power Failure ......................................................................................... 12
3 IDENTIFYING EXTERNAL COMPONENTS..................................... 13
FRONT PANEL ............................................................................................. 13
The DES-1008 Cable Organizer ............................................................. 14
REAR PANEL ............................................................................................... 14
DES-1004................................................................................................ 14
DES-1008................................................................................................ 15
About This Guide
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10/100 Fast Ethernet Switch User’s Guide
LED INDICATORS ....................................................................................... 16
4 CONNECTING THE SWITCH.............................................................. 18
PC TO SWITCH ............................................................................................ 18
HUB TO SWITCH .......................................................................................... 19
10Base-T Hub ......................................................................................... 20
100Base-TX Hub..................................................................................... 20
HUB WITHOUT UPLINK (MDI-II) PORT ........................................................ 21
Using straight cable................................................................................ 21
Using crossover cable............................................................................. 21
SWITCH TO SWITCH (OTHER DEVICES)......................................................... 22
Using straight cable................................................................................ 22
Using crossover cable............................................................................. 22
5 TECHNICAL SPECIFICATIONS ......................................................... 25
6 RJ-45 PIN SPECIFICATION ................................................................. 28
7 INDEX....................................................................................................... 30
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About This Guide
10/100 Fast Ethernet Switch User’s Guide
0 A BOUT T HIS G UIDE
Congratulations on your purchase of the 10/100 Fast Ethernet Switch. This
device integrates 100Mbps Fast Ethernet and 10Mbps Ethernet network
capabilities in a highly flexible desktop package.
Purpose
This manual discusses how to install your DES-1004/DES-1008 10/100 Fast
Ethernet Switch.
Terms/Usage
For simplicity, this documentation uses the terms “Switch” (first letter upper
case) to refer to the DES- 1004/DES-1008 10/100 Fast Ethernet Switch, and
“switch” (first letter lower case) to refer to all Ethernet switches, including
the DES-1004/ DES-1008.
For simplicity and brevity, this manual discusses two 10/100 Fast Ethernet
Switch models. The DES-1004 is a four port model, and the DES-1008 is an
eight port model. These models are similar in every respect except for the
number of ports. Therefore, all information provided in this manual is
applicable to both, and at particular points, the differentiating elements
between them will be mentioned.
About This Guide
ix
10/100 Fast Ethernet Switch User’s Guide
Overview of this User’s Guide
♦ Chapter 1, Introduction. Describes the Switch and its features.
♦ Chapter 2, Unpacking and Setup. Helps you get started with the basic
installation of the Switch.
♦ Chapter 3, Identifying External Components. Describes the front
panel, rear panel and LED indicators of the Switch.
♦ Chapter 4, Connecting the Switch. Tells how you can connect the
DES-1004/ DES-1008 to your Ethernet network.
♦ Appendix A, Technical Specifications. Lists the technical (general,
physical and environmental, and performance) specifications of the
Switch.
♦ Appendix B, RJ-45 Pin Specification. Describes the RJ-45
receptacle/connector and the straight and crossover cable connector.
x
About This Guide
10/100 Fast Ethernet Switch User’s Guide
1
1 I NTRODUCTION
This section describes the features of the DES-1004/ DES-1008, as well as
giving some background information about Ethernet/ Fast Ethernet switching
technology.
Fast Ethernet Technology
The growing importance of LANs and the increasing complexity of desktop
computing applications are fueling the need for high performance networks.
A number of high-speed LAN technologies have been proposed to provide
greater bandwidth and improve client/server response times. Among them,
Fast Ethernet, or 100Base-T, provides a non-disruptive, smooth evolution
from the current 10Base-T technology. The non-disruptive and smooth
evolution nature, and the dominating potential market base, virtually
guarantee cost effective and high performance Fast Ethernet solutions in the
years to come.
100Mbps Fast Ethernet is a new standard specified by the IEEE 802.3 LAN
committee. It is an extension of the 10Mbps Ethernet standard with the
ability to transmit and receive data at 100Mbps, while maintaining the
CSMA/CD Ethernet protocol. Since the 100Mbps Fast Ethernet is
compatible with all other 10Mbps Ethernet environments, it provides a
Introduction
1
10/100 Fast Ethernet Switch User’s Guide
straightforward upgrade and takes advantage of the company’s existing
investment in hardware, software, and personnel training.
Switching Technology
Another approach to pushing beyond the limits of Ethernet technology is the
development of switching technology. A switch bridges Ethernet packets at
the MAC address level of the Ethernet protocol transmitting among
connected Ethernet or Fast Ethernet LAN segments.
Switching is a cost-effective way of increasing the total network capacity
available to users on a local area network. A switch increases capacity and
decreases network loading by making it possible for a local area network to
be divided into different segments which don’t compete with each other for
network transmission capacity, giving a decreased load on each.
The switch acts as a high-speed selective bridge between the individual
segments. Traffic that needs to go from one segment to another is
automatically forwarded by the switch, without interfering with any other
segments. This allows the total network capacity to be multiplied, while still
maintaining the same network cabling and adapter cards.
For Fast Ethernet networks, a switch is an effective way of eliminating
problems of chaining hubs beyond the “two-repeater limit.” A switch can be
used to split parts of the network into different collision domains, making it
possible to expand your Fast Ethernet network beyond the 205 meter
network diameter limit for 100BASE-TX networks. Switches supporting
both traditional 10Mbps Ethernet and 100Mbps Fast Ethernet are also ideal
for bridging between existing 10Mbps networks and new 100Mbps networks.
Switching LAN technology is a marked improvement over the previous
generation of network bridges, which were characterized by higher latencies.
Routers have also been used to segment local area networks, but the cost of a
router and the setup and maintenance required make routers relatively
2
Introduction
10/100 Fast Ethernet Switch User’s Guide
impractical. Today’s switches are an ideal solution to most kinds of local
area network congestion problems.
Features
The Switches were designed for easy installation and high performance in an
environment where traffic on the network and the number of users increase
continuously.
The Switches with their small, compact size were specifically designed for
small to large workgroups (the 4-port switch for smaller workgroups and the
8-port for larger workgroups). These Switches can be installed where space
is limited; moreover, they provide immediate access to a rapidly growing
network through a wide range of user-reliable functions.
The Switches are ideal for deployment with multiple high-speed servers for
shared bandwidth 10 Mbps or 100 Mbps workgroups. In 200 Mbps fullduplex mode, any port can provide workstations with a congestion-free data
pipe for simultaneous access to the server.
The Switches are expandable by cascading two or more switches together.
As all ports support 200 Mbps full duplex, the Switches can be cascaded
from any port and to any number of switches.
The Switches are a perfect choice for site planning to upgrade to Fast
Ethernet in the future. Ethernet workgroups can connect to the Switches
now, and change adapters and hubs anytime later without needing to change
the Switches or reconfigure the network.
The Switches combine dynamic memory allocation with store-and-forward
switching to ensure that the buffer is effectively allocated for each port;
while, data flow is controlled between the transmiting and receiving nodes to
guarantee against all possible packet loss.
Introduction
3
10/100 Fast Ethernet Switch User’s Guide
The Switches are an unmanaged 10/100 Fast Ethernet Switch that offers
solutions in accelerating small Ethernet workgroups’ bandwidths. Other key
features are:
4 or 8 UTP/STP ports (depending on model) all come with auto-negotiation
and operate at 10/100 Mbps for connection to servers and hubs. All ports
can be configured for full or Half-duplex operation.
♦ Uplink/ MDI-II (media dependent interface) port for uplink to
another switch, hub or repeater. Please note that if you are using the
uplink port, you will not be able to use port one (1x) because these
ports are logically connected.
Performance features
♦ Store and forward switching scheme capability to support rate
adaptation and ensures data integrity.
♦ N-way Auto-negotiation for any port. This allows for auto-sensing of
speed (10/100 Mbps)and auto-detecting mode (Full-duplex or Halfduplex) thereby providing you with automatic and flexible solutions
in your network connections.
♦ Auto polarity detection for correction of incorrect polarity on the
receive twisted pair at each port.
♦ Data forwarding rate 148,800 pps per port at 100% of wire-speed for
100Mbps speed.
♦ Data forwarding rate 14,880 pps per port at 100% of wire-speed for
10Mbps speed.
♦ Data filtering rate eliminates all error packets, runts, etc. at 148,800
pps per port at 100% of wire-speed for 100Mbps speed.
♦ Data filtering rate eliminates all error packets, runts, etc. at 14,880 pps
per port at 100% of wire-speed for 10Mbps speed.
4
Introduction
10/100 Fast Ethernet Switch User’s Guide
♦ 8K active MAC address entry table per device with self learning and
table aging.
♦ 8 MB packet buffer per device.
Introduction
5
10/100 Fast Ethernet Switch User’s Guide
2
2 U NPACKING AND
S ETUP
This chapter provides unpacking and setup information for the Switches.
Unpacking
Open the shipping carton of the Switch and carefully unpack its contents.
The carton should contain the following items:
♦ One DES-1004 or DES-1008 10/100 Fast Ethernet Switch
♦ One AC power cord
♦ This User’s Guide
♦ Four rubber feet with adhesive backing
♦ Wall Mount Kit (DES-1004 only) which includes: two tapping screws
and two plastic anchors
If any item is found missing or damaged, please contact your local D-Link
Reseller for replacement.
6
Unpacking and Setup
10/100 Fast Ethernet Switch User’s Guide
Setup
The setup of the Switch can be performed using the following steps:
♦ The surface must support at least 1.2 Kg for the DES-1004 and 2.5
KG for the DES-1008.
♦ The power outlet should be within 1.82 meters (6 feet) of the device.
♦ Visually inspect the power cord and see that it is fully secured to the
AC power connector.
♦ Make sure that there is proper heat dissipation from and adequate
ventilation around the Switch. Do not place heavy objects on the
Switch.
Desktop or Shelf Installation
When installing the Switch on a desktop or shelf, the rubber feet included
with the device must be first attached. Attach these cushioning feet on the
bottom at each corner of the device. Allow enough ventilation space
between the device and the objects around it.
Unpacking and Setup
7
10/100 Fast Ethernet Switch User’s Guide
Figure 1 10/100 Fast Ethernet Switch installed on a Desktop or
Shelf
Wall Installation (DES-1004)
The DES-1004 comes complete with a wall mount kit. This kit includes two
screws and two plastic anchors. For a proper placement on the wall, follow
these steps:
♦ Select a site that is free of obstructions from other equipment or
devices. Consider the following points for site selection:
◊ The Switch should be placed high enough where LED indicators
can be observed and cable and power connections can be made.
◊ Moreover, decide whether you would like the Switch to point with
the front panel facing either up or down.
8
Unpacking and Setup
10/100 Fast Ethernet Switch User’s Guide
♦ Drill two holes into the wall with the same distance as the screw
support holes located on the bottom of the Switch. Do not drill these
holes too deep.
♦ Insert the plastic anchors into the holes in the wall and secure them
with gentle taps of a hammer.
♦ Screw in the screws provided with the wall mount kit into the plastic
anchors. Do not insert the screws with excessive torque. Note that
the screw’s head along with a small portion of the screw’s body
should be sticking out.
♦ Gently, place the Switch onto the wall with the front panel facing up
or down by sliding the screws into the provided slots.
♦ Make all power and network connections at this time, see Connecting
the Switch.
Rack Installation (DES-1008)
The DES-1008 can be mounted in an EIA standard size, 19-inch rack, which
can be placed in a wiring closet with other equipment. The mounting
brackets for the DES-1008 are an optional item and must be purchased
separately from your local re-seller.
To install, attach the mounting
brackets on the switch’s front panel (one on each side) and secure them with
the screws provided.
Unpacking and Setup
9
10/100 Fast Ethernet Switch User’s Guide
Figure 2A. Attaching the mounting brackets to the 10/100 Fast
Ethernet Switch (for DES-1008)
Then, use the screws provided with the equipment rack to mount the Switch
in the rack.
Figure 2B. Installing the DES-1008 Switch in an equipment rack
10
Unpacking and Setup
10/100 Fast Ethernet Switch User’s Guide
Power on
DES-1004
The DES-1004 Switch can be used with AC power sources 100 - 240 VAC,
50 - 60 Hz. To turn the Switch on, plug one end of the power cord into the
AC power connector of the Switch and the other end into the local power
source outlet. The Switch’s power supply will adjust to the local power
source automatically and may be turned on without having any or all LAN
segment cables connected.
DES-1008
The DES-1008 Switch can be used with AC power sources 100 - 240 VAC,
50 - 60 Hz. The power switch is located at the rear of the unit adjacent to the
AC power connector and the system fan. To turn the Switch on, press the
power switch to the on or “1” position. The Switch’s power supply will
adjust to the local power source automatically and may be turned on without
having any or all LAN segment cables connected.
LED Indicators
After the switch is turned on, the LED indicators should respond as follows:
♦ All of the LED indicators will blink momentarily. This blinking of
the LED indicators represents a reset of the system.
♦ The FDX/Col LED indicators blink from yellow to green.
♦ The power LED indicator will remain ON.
Unpacking and Setup
11
10/100 Fast Ethernet Switch User’s Guide
Power Failure
As a precaution, the Switch should be turned OFF in case of a power failure.
For the DES-1004, disconnect the power cord from the local power source,
and for the DES-1008, press the power switch to the off or “0” position.
When power is resumed, turn the Switch ON. At all times, avoid leaving the
Switch ON after the occurrence of a power failure.
12
Unpacking and Setup
10/100 Fast Ethernet Switch User’s Guide
3
3 I DENTIFYING
E XTERNAL
C OMPONENTS
This chapter describes the front panel, rear panel and LED indicators of the
Switch.
Front Panel
The front panel of the Switch consists of 4 (10/100 Mbps MDI-X) ports—
DES-1004 or 8 (10/100 Mbps MDI-X) ports— DES-1008, 1 Uplink (MDIII) port and LED indicators. A description of the ports appear in the
Introduction of this User’s Guide (see Features, Chapter 1).
0',0,,
Figure 3 Front panel view of the DES-1004 Switch
Identifying External Components
13
10/100 Fast Ethernet Switch User’s Guide
1 0 /1 0 0 M
CABLE
O R G A N IZ E R
Figure 4 Front panel view of the DES-1008 Switch
The DES-1008 Cable Organizer
As an added feature, the DES-1008 is equipped with a cable organizer. The
cable organizer is located in the front panel to the right of the ports and draws
down when pulled from the top (see Figure 4). You can use it for all your
wire runs from the ports to the devices where final connections will be made.
This feature is not part of the DES-1004. The extra value of the cable
organizer will be seen when all cables are laid out in a neat, orderly
arrangement. It may be wise to identify your cables by labeling them. This
will help you from accidentally crossing cables and/or making improper
connections.
Rear Panel
DES-1004
The rear panel of the DES-1004 consists an AC power connector. The system
fan for the Switch is located at the side of the device.
14
Identifying External Components
10/100 Fast Ethernet Switch User’s Guide
Figure 5 Rear panel view of the DES-1004 switch
DES-1008
The rear panel of the DES-1008 consists of a power switch, an AC power
connector and a system fan.
Figure 6 Rear panel view of the DES-1008 switch
♦ System Fan. This fan is used to circulate air inside the Switch and
also to dissipate heat. The sides of the system also provide heat vents
to serve the same purpose. Do not block these openings, and leave
adequate space at the rear and sides of the Switch for proper
ventilation. Be reminded that without proper heat dissipation and air
circulation, system components might overheat, which could lead to
system failure.
♦ AC Power Connector.
This is a three-pronged connector that
supports the power cord. Plug in the female connector of the
provided power cord into this connector, and the male into a power
outlet. Supported input voltages range from 100 ~ 240 VAC at 50 ~
60 Hz.
♦ Power Switch. (DES-1008 only) This turns the Switch on and off.
To turn on the system, press the switch to the “1” position; to turn off,
press the switch to the “0” position. Note that on the DES-1004 a
power switch is not provided.
Identifying External Components
15
10/100 Fast Ethernet Switch User’s Guide
LED Indicators
The LED indicators of the Switch include Power, 100 M, Link/Act
(Link/Activity) and FDX/Col (Full-duplex/Collision). The LED indicators
are used to facilitate monitoring and troubleshooting of the Switch. The
following shows the LED indicators for the Switch along with an explanation
of each indicator.
Figure 7 The DES-1004 Switch LED indicators
Figure 8 The DES-1008 Switch LED indicators
♦ Power. This indicator operates when the Switch is turned on. If this
indicator is not lit, check the AC power connector to ensure proper
insertion of the power cord and that the power switch is turned ON.
♦ 100 M. The LED indicator lights green when a 100 Mbps device is
connected to a respective port or the uplink port. If a 10 Mbps device
16
Identifying External Components
10/100 Fast Ethernet Switch User’s Guide
is connected to a respective port or the uplink port, the LED indicator
is OFF.
♦ Link/Act. These LED indicators are lighted up green when there is a
secure connection (or link) to a device at any of the ports. The LED
indicators blink green whenever there is reception or transmission
(i.e. Activity—Act) of data occurring at a port.
♦ FDX/Col. This LED indicator is green when a respective port is in
full duplex (FDX) mode. Otherwise, it is OFF for half duplex (HDX)
operations. It blinks yellow when collisions are occurring on the
respective port.
Identifying External Components
17
10/100 Fast Ethernet Switch User’s Guide
4
4 C ONNECTING T HE
S WITCH
This chapter describes how to connect the DES-1004/ DES-1008 to your Fast
Ethernet network. In each of the following figures, the DES-1008 is shown;
however, similar cable connections can be attained on the DES-1004 because
of product similarities.
PC to Switch
A PC can be connected to the Switch via a two-pair Category 3, 4, 5 UTP
/STP straight cable. The PC (equipped with a RJ-45 10/100 Mbps jack)
should be connected to any of the four ports (1x -4x) for the DES-1004 or
eight ports (1x - 8x) for the DES-1008.
18
Connecting The Switch
10/100 Fast Ethernet Switch User’s Guide
10/100M
Figure 9 DES-1008 Switch connected to a PC or Workstation
The LED indicators for PC connection are dependent on the LAN card
capabilities. If LED indicators are not illuminated after making a proper
connection, check the PC’s LAN card, the cable, Switch conditions and
connections.
The following are LED indicator possibilities for a PC to Switch connection:
1. The 100 M LED indicator comes on for a 100 Mbps and stays off for
10 Mbps.
2. The Link/Act LED indicator illuminates upon hookup.
3. The FDX/Col LED indicator depends upon LAN card capabilities.
Hub to Switch
A hub (10 or 100Base-T) can be connected to the Switch via a two-pair
Category 3, 4, 5 UTP/STP straight cable. The connection is accomplished
from the hub’s uplink (MDI-II) port to any of the Switch’s (MDI-X) ports:
1x - 4x for the DES-1004 or 1x - 8x for the DES-1008.
Connecting The Switch
19
10/100 Fast Ethernet Switch User’s Guide
Figure 10 DES-1008 Switch connected to a 10 or 100Base-TX Hub
10Base-T Hub
For a 10 Base-T hub, the Switch’s LED indicators should illuminate the
following:
♦ 100M LED speed indicator is OFF.
♦ Link/Act indicator is ON.
♦ FDX/Col indicator is OFF.
100Base-TX Hub
For a 100Base-TX hub, the Switch’s LED indicators should illuminate the
following:
♦
100M LED speed indicator is ON.
♦
Link/Act is ON.
♦
FDX/Col LED indicator is OFF.
20
Connecting The Switch
10/100 Fast Ethernet Switch User’s Guide
Hub without Uplink (MDI-II) port
If a hub is not equipped with an uplink (MDI-II) port, then connection can
be made using either straight cable or crossover cable (see Appendix A,
Technical Specifications for cable requirements).
Figure 11 DES-1008 Switch connected to a Hub without uplink (MDIII) port using the Straight or crossover cable option
Using straight cable
When using straight cable, The connection can be made from the uplink
(MDI-II) port of the Switch to any port of the Hub (see figure 11).
Using crossover cable
When using crossover cable, the connection can be made from any (1x - 8x)
port of the Switch to any port of the Hub (see figure 11).
Connecting The Switch
21
10/100 Fast Ethernet Switch User’s Guide
Switch to Switch (other devices)
The Switch can be connected to another switch or other devices (routers,
bridges, etc.) via a two-pair Category 3, 4, 5 UTP/STP straight or crossover
cable.
10/100M
10/100M
Figure 12 DES-1008 Switch to switch connection using the
straight or crossover cable options.
Using straight cable
When using straight cable, this is done from the uplink (MDI-II) port of the
Switch (Switch A) to any of the 10 Mbps or 100 Mbps (MDI-X) port of the
other switch (switch B) or other devices (see figure 12).
Using crossover cable
When using crossover cable, this is done from any (MDI-X) port of the
Switch (Switch A) to any of the 10 Mbps or 100 Mbps (MDI-X) port of the
other switch (switch B) or other devices (see figure 12).
Switch A’s LED indicators for the respective connected ports are as follows:
22
Connecting The Switch
10/100 Fast Ethernet Switch User’s Guide
♦ 100 M is ON for 100Base-TX, otherwise OFF.
♦ Link/Act is ON.
♦ FDX/Col depends on the connected switch or other device.
Connecting The Switch
23
10/100 Fast Ethernet Switch User’s Guide
A
5 T ECHNICAL
S PECIFICATIONS
General
Standards:
IEEE 802.3 10Base-T Ethernet
IEEE 802.3u 100 Base-TX Fast Ethernet
ANSI/IEEE Std 802.3 Nway auto-negotiation
IEEE 802.3 Frame types: Transparent
IEEE 802.3 MAC layer frame size: 64 - 1518 Bytes
Protocol:
CSMA/CD
Data Transfer Rate:
Ethernet:
Topology:
Fast Ethernet:
10 Mbps (half duplex)
100Mbps (half duplex)
20 Mbps (full duplex)
200Mbps (full duplex)
Star
General
Technical Specifications
25
10/100 Fast Ethernet Switch User’s Guide
Network Cables:
10BaseT:
2-pair UTP Cat. 3,4,5 (100 m)
EIA/TIA- 568 100-ohm STP (100 m)
100Base-TX:
2-pair UTP Cat. 5 (100 m)
EIA/TIA-568 100-ohm STP (100 m)
Number of Ports:
DES-1004: 4 x 10/100 Mbps ports
DES-1008: 8 x 10/100 Mbps ports
Media Interface
Exchange:
MDI-II RJ-45 shared with port 1x
Physical and Environmental
AC inputs:
100 - 240 VAC, 50/60 Hz (internal universal power supply)
Power Consumption:
40 watts maximum
DC fans:
1 built-in 40x40 mm fan
Operating Temperature:
32 ° ~ 122 °F (0 ° ~ 50 °C)
Storage Temperature:
-22 ° ~ 140 °F (-30 ° ~ 60 °C)
Humidity:
5% ~ 95% non-condensing
Dimensions:
232x142x43 mm (1U) — DES-1004
324x231x43 mm (1U) — DES-1008
Physical and Environmental
26
Technical Specifications
10/100 Fast Ethernet Switch User’s Guide
Weight:
DES-1004: 1.2 Kg
DES-1008: 2.5 Kg
EMI:
FCC Class A, CE Mark Class A, VCCI Class I
Safety:
UL (UL 1950), CSA (CSA950), TUV/GS (EN60950)
Performance
Transmission Method:
Store-and-forward
RAM Buffer:
DES-1004: 4 M bytes per device
DES-1008: 8 M bytes per device
Filtering Address Table:
8 K entries per device
Packet Filtering/Forwarding Rate:
148,800 pps per port (for 100Mbps)
MAC Address Learning:
Automatic update
Max age: fixed
Technical Specifications
27
10/100 Fast Ethernet Switch User’s Guide
B
6 RJ-45 P IN
S PECIFICATION
When connecting the DES-1004/ DES-1008 Switch to another switch, a
bridge or a hub, a modified crossover cable is necessary. Please review these
products for matching cable pin assignment.
The following diagram and tables show the standard RJ-45
receptacle/connector and their pin assignments for the switch-to-network
adapter card connection, and the straight/ crossover cable for the Switch-toswitch/hub/bridge connection.
The standard RJ-45 receptacle/connector
28
RJ-45 Pin Specification
10/100 Fast Ethernet Switch User’s Guide
RJ-45 Connector pin assignment
Contact
Media Direct Interface Signal
1
2
3
4
5
6
7
8
Tx + (transmit)
Tx - (transmit)
Rx + (receive)
Not used
Not used
Rx - (receive)
Not used
Not used
The standard Category 3 cable, RJ-45 pin assignment
The following shows straight cable and crossover cable connection:
Straight cable for Switch (uplink MDI-II port) to switch/Hub or
other devices connection
Crossover cable for Switch (MDI-X port) to switch/hub or other
network devices (MDI-X port) connection
RJ-45 Pin Specification
29
10/100 Fast Ethernet Switch User’s Guide
7 I NDEX
1
Hub to Switch........................... 19
Humidity................................... 26
100 M (speed indicator) ........... 17
100Base-T .................................. 1
I
A
Identifying External Components13
IEEE 802.3 LAN ........................ 1
AC inputs.................................. 26
AC Power Connector................ 15
AC power cord ........................... 6
Auto polarity .............................. 4
C
Cable Organizer........................ 14
Crossover cable ........................ 29
CSMA/CD Ethernet protocol ..... 1
D
Data filtering .............................. 5
Data forwarding...................... 4, 5
Desktop or Shelf Installation ...... 7
Dimensions............................... 26
L
LAN card.................................. 19
LED Indicators ......................... 16
Link/Act ................................... 17
M
MAC address entry table ............ 5
MAC Address Learning............ 27
MAC address level ..................... 2
O
Operating Temperature............. 26
P
Fast Ethernet............................... 1
Fast Ethernet Technology........... 1
FDX/Col................................... 17
full duplex ............................. 17
Features ...................................... 3
Front Panel ............................... 13
PC to Switch............................. 18
Performance features .................. 4
Ports ........................................... 4
Power........................................ 17
Power Consumption ................. 26
Power Failure ........................... 12
Power on................................... 11
Power Switch............................ 16
H
R
heat dissipation ........................... 7
Rack Installation (DES-1008) .... 9
F
30
Index
10/100 Fast Ethernet Switch User’s Guide
RAM Buffer ............................. 27
Rear Panel ................................ 14
RJ-45 Pin Specification ............ 28
S
segments ..................................... 2
Setup........................................... 7
Storage Temperature ................ 26
Store and forward ....................... 4
straight cable ............................ 29
switch ......................................... 2
Switch to Switch (other devices)22
Switching LAN technology ........ 3
Switching Technology................ 2
System Fan ............................... 15
Index
T
Transmission Method ............... 27
U
Unpacking .................................. 6
Uplink/ MDI-II ........................... 4
V
ventilation................................... 7
W
Wall Installation (DES-1004)..... 8
Weight ...................................... 27
31
Offices
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Answers to the following questions help us to support your product:
1. Where and how will the product primarily be used?
†Home †Office †Travel †Company Business †Home Business †Personal Use
2. How many employees work at installation site?
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