Accton Technology ES3002-TF User Manual

SwitcHub-2se

&INO<GG<ODJI*<IP<G

Installation Manual

SwitcHub-2se

Smart

with one 10BASE-T/100BASE-TX Port

Fast Ethernet Switch

and one 100BASE-FX Port

Copyright (c) 1996 by Accton Technology Corporation. All rights reserved.

No part of this document may be copied or reproduced in any form or by any means without the
prior written consent of Accton Technology Corporation.

Accton makes no warranties with respect to this documentation and disclaims any implied
warranties of merchantability, quality, or fitness for any particular purpose. The information in this
document is subject to change without notice. Accton reserves the right to make revisions to this
publication without obligation to notify any person or entity of any such changes.

,QWHUQDWLRQDO+HDGTXDUWHUV

No. 1 Creation Road III,
Science-based Industrial Park
Hsinchu 300, Taiwan, R.O.C.
Phone: [phone]
FAX: [phone]
BBS: 886-35-770-654
Internet: [e-mail]

Accton, SmartWatch and SwitcHub are trademarks or registered trademarks of Accton Technology
Corporation. Other trademarks or brand names mentioned herein are trademarks or registered
trademarks of their respective companies.

ES3002-TF
E0596-R01
150050-101

86$+HDGTXDUWHUV

1962 Zanker Road
San Jose, CA 95112
Phone: [phone]
FAX: [phone]
BBS: 408-452-8828
FAST FAX: [phone]

Package Contents

Carefully unpack the contents of the package and verify them against the checklist
given below.

Package Checklist

æ Fast SwitcHub-2se

(Model No. ES3002-TF)

æ AC power cord
æ Four rubber foot pads
æ Installation manual
æ Owner registration card

Please inform your dealer immediately should there be any wrong, missing or
damaged parts.

If possible, retain the carton, including the original packing materials. Use
them again to repack the unit in case there is a need to return it for repair.

To qualify for product updates and product warranty registration, fill in the

Owner Registration Card and return it to Accton Technology Corporation.

Package Contents i

Quick Installation

The Fast S witcHub-2se co n ta i n s 2 Ethernet p o r ts that can operate at full-duplex or
half-duplex. One of these ports supports 100BASE- TX or 10BASE-T (twisted­pair) connection, while the other port supports 100BASE-FX (fiber optic)
connection. The smart design built into the front display panel and configure
options, provides a friendly interface that simplifies installation and network
troubleshooting. If you are already familiar with basic network operations, you
should be able to install this switch as described below:

1. Unpack the Fast SwitcHub-2se.

2. Find a location close to the network devices you need to connect, and within

easy reach of an electrical outlet.

3. For 100BASE-TX or 10BASE-T devices, connect a workstation or server to

the Port 1 MDI-X station port. Otherwise, you can connect to another switch
or other network interconnection device by running straight-through twisted­pair cable between the MDI daisy-chain port on one device (e.g., Port 1 on
this switch) to the MDI-X station port on the other device. Use 100
Category 5 STP or UTP cable to connect to the switch, and be sure the
length of any twisted-pair connection does not exceed 100 meters.

For integrating legacy networks, Port 1 provides for connection via either

100BASE-TX or 10BASE-T. It uses auto-negotiation to dynamically set the
required transmission speed at 10 or 100 Mbps.

W

4. For 100BASE-FX devices, connect to Port 2 (i.e., connecting the Rx/Tx

jacks on the target device to the Tx/Rx jacks on the switch). When
connecting a node to Port 2, the maximum cable length is 2 kilometers if you
are have a dedicated link (i.e., full-duplex mode); otherwise, the maximum
length is 412 meters for a shared collision domain (i.e., a half-duplex
connection). Refer to Chapter 2 for a more detailed description of
calculating the maximum length permitted for fiber optic cable.

Quick Installation iii

Fast SwitcHub-2se User’s Guide

5. Set the transmission mode for each port to full or half-duplex. Full-duplex

communications can only be supported for a dedicated link (i.e., set the
communications to half duplex if you are connecting to a shared collision
domain). Transmission must be set to full duplex or half duplex depending
on the mode supported by the conne ct e d d e vice. You must manually set the
required mode with the configure button (Chapter 2).

6. Verify network communications by ensuring that -

• you have made all the necessary connections

• you can access any connected resources

• the switch’s indicator LEDs are functioning properly

Note: For devices connected directly to either port on the switch, it will

automatically detect transmission speed (10/100 Mbps). However, unless
the connected devices are operating at half-duplex (i.e., system default), you
will have to manually set the transmission mode via the configure button.
(Refer to Full/Half Duplex Mode Selection in Chapter 2).

If you encounter any problem s in installing the Fast SwitcHub-2se, refer to Chapter
2 for a detailed description of installation procedures, or to Appendix A for help
in troubleshooting.

iv Quick Installation

About this Guide

This guide is designed for the experienced network installer. It describes how
to install and operate Accton’s Fast SwitcHub-2se Ethernet switch. After
reading this manual, you should be able to use the front display panel and
configure options to manage all your network connections.

This manual covers the following topics:
Chapter 1 -

Brief description of switching technology, followed by a description of this switch
and a summary of its important features and specifications.

Chapter 2 ­Installing a Fast SwitcHub-2se and making basic network connections. Shows
sample network configurations for a local area network.

Chapter 3 ­Detailed description of indicator panel and ports.

Appendices - Troubleshooting, cable assignments, and product specifications.

Product Overview

Setup and Configuration

Hardware Reference

About this Guide v

Contents

Chapter 1: Introduction...........................................................1-1

Switching Technology...............................................................................................1-1

Accton’s Smart Extender...........................................................................................1-2

Switching Methods....................................................................................................1-3

Features of the Fast SwitcHub-2se............................................................................1-4

Chapter 2: Setup and Configuration......................................2-1

Pre-Installation Requirements ...................................................................................2-1

Connecting the Switch System..................................................................................2-1

Making RJ-45 Connections..................................................................................2-2

Making Fiber Optic Connections..........................................................................2-3

Providing Power to the SwitcHub.............................................................................2-4

Diagnostic Tests........................................................................................................2-5

Upon Power On ..............................................................................................2-5

During Normal Operation...............................................................................2-5

Setting the Display Mode..........................................................................................2-5

Selections Available.............................................................................................2-6

Bandwidth Utilization.....................................................................................2-6

Packet Forwarding Ratio.................................................................................2-6

Packet Filtering Ratio .....................................................................................2-7

Collision Ratio................................................................................................2-7

Full/Half Duplex Mode Selection...................................................................2-7

Diagnostic Function........................................................................................2-8

Verifying Port Status.................................................................................................2-8

Verifying System Operation......................................................................................2-9

vii

Fast SwitcHub-2se User’s Guide

Chapter 3: Hardware Reference.............................................3-1

Front Panel ...............................................................................................................3-1

Configure Button..................................................................................................3-2

SmartWatch Indicator Panel.................................................................................3-3

Power..............................................................................................................3-3

Statistical Display for System Performance....................................................3-4

Setting the Communication Mode ..................................................................3-6

Diagnostics Display Mode..............................................................................3-7

Port Status Display..........................................................................................3-8

Rear Panel ...............................................................................................................3-10

Ethernet Ports.......................................................................................................3-10

Power Socket........................................................................................................3-11

Appendix A: Troubleshooting................................................A-1

Diagnosing Hub Indicators........................................................................................A-1

System Diagnostics ...................................................................................................A-2

Installation............................................................................................................A-2

Configuration........................................................................................................A-2

Switch Integrity....................................................................................................A-3

Ap p e ndix B: P o rt and C a ble A s s i gnment s............................. B-1

RJ-45 Port ...............................................................................................................B-1

Appendix C: Specifications....................................................C-1

Product Specifications...............................................................................................C-1

viii Contents

Fast SwitcHub-2se User’s Guide

Appendix D: Regulatory Standards Compliance.................. D-1

EMI Warning ............................................................................................................D-1

FCC Class B Certification....................................................................................D-1

Voluntary Control Council for Interference (VCCI-2).........................................D-2

EN55022 Declaration of Conformance ................................................................D-3

Safety Compliance.....................................................................................................D-4

Underwriters Laboratories Compliance Statement...............................................D-4

Sicherheitshinweise..............................................................................................D-5

Appendix E: Product Support Services ................................ E-1

Product Registration..................................................................................................E-1

Problem Report .........................................................................................................E-1

Hardware Repair Service...........................................................................................E-1

Software Update and Upgrade Service......................................................................E-2

Bulletin Board Service (BBS) ...................................................................................E-2

Interactive Fast Fax (U.S.A. office) ..........................................................................E-2

Technical Support .....................................................................................................E-3

Limited Warranty......................................................................................................E-4

Customer Remedies..............................................................................................E-4

Return Process......................................................................................................E-5

Accton Offices...........................................................................................................E-6

Ordering Information ................................................................................................E-6

Glossary
Index

Contents ix

Chapter 1: Introduction

Switching Technology

The Ethernet Switch allows simultaneous transmission of multiple packets via
an internal high-speed data channel. This means that it can partition a network
more efficiently than bridges or routers. The Ethernet Switch is therefore fast
being recognized as one of the most important building blocks for today’s
networking technology.

The learning function in the switch stores the address and corresponding port
number of each incoming and outgoing packet in a routing table. This
information is subsequently used to filter packets whose destination address is
on the same segment as the source address. This confines network traffic to its
respective domain, reducing the overall load on the network.

The switch scans the destination address from the packet header, searches the
routing table provided for the incoming port and forwards the packet only if
required, often before fully received. This fast forwarding makes the switch
attractive for connecting servers directly to the network, thereby increasing
throughput and availability. However, the switch is most commonly used to
segment existing hubs, which nearly always improves overall performance. A
switch can be easily configured in any Ethernet network to significantly boost
bandwidth using conventional cabling and adapters.

Introduction 1-1

Fast SwitcHub-2se User’s Guide

Accton’s Smart Extender

Accton’s Fast Switch-2se can boost network bandwidth fourfold (i.e., if running
at 100Mbps and using full-duplex operation for both ports). It provides one
10/100 Mbps RJ-45 port for 10BASE-T or 100BASE-TX media attachment
(which is automatically detected by the switch), and one 100 Mbps fiber optic
port for 100BASE-FX media attachment via an SC or ST type connector.
Either of these ports can be connected to a subnetwork, or directly to a server or
key workstation, as well as set for full or half-duplex operation. Moreover, the

fiber optic port can be used to significantly extend your network’s diameter.

Note: The ES3002-TF-SC provides an SC-type fiber connector.

The ES3002-TF-ST provides an ST-type fiber connector.

In addition to partitioning an overloaded network, this switch provides
connection between networks based on twisted-pair and fiber optic cabling, and
can also be configured to operate in either full-duplex or half-duplex data
transfer mode to support the interconnection requirements of high-speed
devices.

This switch performs “on-the-fly” cut-through switching, which passes a packet
to the other port according to the destination address scanned from the packet
header. This technique reduces the latency of packet transmission to 20
microseconds or less. Compared to approximately 800 microseconds for a
bridge or 1800 microseconds for a router, both of which have to store the entire
packet before it can be forwarded, Accton’s SwitcHubs deliver a quantum
improvement in your network's performance.

As a device functioning on the media access control (MAC) layer, the Fast
SwitcHub is protocol independent. Full compliance with IEEE802.3 and
IEEE802.3u standards makes it transparent to upper-level protocols such as
TCP/IP, NetWare, DECnet and XNS. Accton's Smart Extender can link high­speed 100BASE-TX or conventional 10BASE-T networks to the newer

1-2 Introduction

Fast SwitcHub-2se User’s Guide

generation of 100BASE-FX devices; or can be used to significantly extend a
100BASE-TX or 10BASE-T network with an intermediate fiber optic link (i.e.,
by chaining two or more switches). Moreover, by breaking your network into
smaller and more manageable segments, each linked to the larger network with
a switch, the maximum distance for communications between end-nodes is
unlimited.

Switching Methods

Traditional bridges and routers use a switching method called store-and­forward in which the entire frame must be received before the bridge can

perform a table look-up for the destination node and forward the packet to the
corresponding port. As a result, each packet is delayed by approximately 800
microseconds. It may be necessary to use store-and-forward when a lot of data
errors are occurring over the network, or when connecting to very slow devices.

Compared to this “safe” mode of operation, cut-through reduces the packet
transmission delay to around 20 microseconds by picking the destination
address out of the header as soon as its received, and directing the frame to the
appropriate port long before the full packet has been received. The remaining
technique, employed to improve data reliability, is called fragment-free cut-
through. It uses a more conservative approach to cut-through that waits until
the collision window has elapsed (i.e., the first full 64 bytes has been received)
before processing the packet. This prevents runts from being passed along,
effectively cleaning up the data stream.

Although cut-though switching is recommended as the fastest method for most
applications, the other methods mentioned above are also supported by the Fast
SwitcHub-2se to guarantee flawless performance. To ensure that you can
manage any kind of network load, the Smart Extender uses adaptive cut-
through switching based on Accton’s smart algorithm. This method
dynamically changes the way it handles data passing through the switch based

Introduction 1-3

Fast SwitcHub-2se User’s Guide

on the current error rate. These switching alternatives start at standard cut­through for a clean data environment, change to fragment-free cut-through for a
moderate error rate, and then progress to store-and-forward for a highly
contentious environment. By using this method, the Fast SwitcHub-2se
delivers the best networking performance under any environment.

Features of the Fast SwitcHub-2se

• Conforms to the IEEE 802.3 and IEEE 802.3u specifications, as well as

10BASE-T, 100BASE-TX and 100BASE-FX standards

• Provides one independent RJ-45 10BASE-T / 100BASE-TX Ethernet station

port, where each logical port consists of 1 MDI port (for connection to hubs

or switches) and 1 MDI-X port (for connection to workstations or servers),

eliminating the need for crossover cables

• Provides one independent 100BASE-FX port with Rx/Tx jacks

(SC or ST type connectors can be used, depending on the model you purchase)

• Both ports support full-duplex and half-duplex operation

• Total bandwidth of up to 200 Mbps (when full-duplex mode is used)

• RJ-45 port auto-senses transmission speed (10/100 Mbps)

• Uses adaptive cut-through switching (which dynamically changes among

standard cut-through, fragment free cut-through, and store-and-forward

depending on the error rate)

• Uses back pressure to eliminate frame loss by “blocking” traffic from end

stations or segments connected directly to the switch when its buffers fill

• Minimum latency of packet transmission (leading edge to leading edge) less

than 20 microseconds when using cut-through switching

• Uses “on the fly” cut-through technique to transport packets

1-4 Introduction

Fast SwitcHub-2se User’s Guide

• Transparent bridging function supported

• Address learning function to build the routing information database

• Operates at maximum packet filtering and forwarding rate

• Supports multimode fiber optic backbone of up to 2 kilometers for a

dedicated link (i.e., a full-duplex connection) or 412 meters for a shared

collision domain (i.e., a half-duplex connection)

• Provides frame filtering and forwarding functions for each port, which are

capable of filtering and forwarding 100% of all Ethernet packets at line speed

• Provides a 160 Kbyte buffer per port

• Routing table contains 4K entries per port to store node MAC addresses

• Uses fast hashing scheme to retrieve information from routing table when

making routing decisions

• An indicator panel for configuring the system or monitoring the overall

condition of the switch, including utilization, forwarding and collision rates

Introduction 1-5

Chapter 2: Setup and Configuration

This chapter provides information on pre-installation requirements, establishing
network connections, and configuring the system.

Pre-Installation Requirements

Before you start making network connections to the SwitcHub, make sure you
can provide the right operating environment, including power requirements,
and proximity to other network devices that are to be connected. Verify the
following installation requirements:

• Power requirements: 100 to 240 VAC at 50 to 60 Hz. The switch’s power

supply automatically detects the input voltage level.

• The SwitcHub should be located in a cool dry place, with at least 10 cm. of

space at the front and back for ventilation.

• Check if network cables and connectors needed for installation are available.

• Find a suitable location at the center of the devices you want to link, and

near a power outlet.

Connecting the Switch System

The SwitcHub has one RJ-45 Ethernet port, and one fiber optic port (with SC or ST
type connectors). Use twisted-pair cable to connect the RJ-45 MDI-X port to a
server/workstation, or to connect the RJ-45 MDI port to another compatible switch
or hub; and use 50/125
SC or ST type connectors (depending on the SwitcHub model y ou purchased) to
connect any compatible network dev ice to the Rx/Tx jacks. The SwitcHub can be
used to connect 100BASE-TX or 10BASE-T networks to a fiber optic backbone; or
can be used to significantly extend a 100BASE-TX or 10BASE-T network with an
intermediate fiber optic link (i.e., by chaining sev eral switches).

mm or 62.5/125 mm guage multimode fiber optic cable with

Setup and Configuration 2-1

Fast SwitcHub-2se User’s Guide

Making RJ-45 Connections

1. Prepare a straight-through twisted-pair cable with RJ-45 plugs at both ends.

2. If you are making a connection to a server or workstation (i.e., a dedicated

connection to an end-node device), be sure that it has a properly installed

100BASE-TX or 10BASE-T network interface card. Attach one end of the

cable to the

port of the device’s network interface card. As a general rule, the length of

twisted-pair cable forming a direct link between any two network devices

should not exceed 100 meters.

Note: Category 5 twisted-pair cable (100W) must be used for 100Mbps connections.
Although Category 3, 4 or 5 cable can be used for 10Mbps connections, we highly
recommend that you also use Category 5 cable for these connections to avoid any
unnecessary expense or confusion if you subsequently upgrade to Fast Ethernet.

If you are connecting to a network interconnection device, attach one end of
the cable to the

MDI-X station port on the other device (or vice versa). When cascading to

devices other than this switch, please refer to the accompanying
documentation for restrictions on stack size. Also note that because the
switch breaks up the path for connected devices into separate collision
domains, you should not include the switch or connected cabling in your
calculations for cascade length involving other devices.

Note: In contrast to repeater hubs, a cascade of sw it ches breaks up the collision
domain. The number of switches that can be cascaded is therefore theoretically
unlimited. However, in practice, the length of a cascade may be limited by the time­out requirements of the particular applications running over the network.

MDI-X station port on the switch and the other end to the RJ-45

MDI crossover port on the switch and the other end to an

3. Set the communication mode via the Configure button to full-duplex or

half-duplex mode to match the connected device. (Refer to

Communication Mode in Chapter 3.)

Do not plug a phone jack connector into the RJ-45 port. This may damage the

I

switch. Instead, use only twisted-pair cables with RJ-45 connectors that conform
to FCC standards.

2-2 Setup and Configuration

Setting the

Fast SwitcHub-2se User’s Guide

Making Fiber Optic Connections

1. Prepare a pair of fiber-optic cables with SC or ST type connectors at both ends.

SC-Type Connector ST-Type Connector

2. If you are making a connection to a server or workstation, be sure it that has

a properly installed 100BASE-FX network interface card. Connect the Rx/Tx

jacks on the target device to the Tx/Rx jacks on the switch.

Distance Limit and Power Loss in Fiber Optics - When using fiber optic cabling ,

the maximum leng th between two switches can be up to 2 k ilometers.

However, you mu st consider power loss w hen calculating the actual leng th of

cable that can be used with your system. You can calculate pow er loss with the

following formula:

(p dB - i dB)

m =

c dB/km

Variable Description

m cable length (kilometers)
p dB power budget
i dB intervening devices

(e.g., patch cables and splices)

c dB/km loss per kilometer of cable

Note: To determine the power loss incurred by intervening dev ices and specific cable

type, inquire with the manufacturer. The power budget depends on the gauge of cable

as shown below.

Gauge of Fiber Cable Power Budget

50/125 mm

62.5/125 mm

9.2 dB
13 dB

Setup and Configuration 2-3

Fast SwitcHub-2se User’s Guide

For a sample calculation, assume the following v alues:

• cable gauge - 62.5/125 mm, which means a 13 dB power budget,

• 2 patch panels between the switches, each with 0.5 dB power loss, and

1 splice with 0.4 dB power loss (i.e., 2 * 0.5 + 0.4 = 1.4 dB power loss for

intervening devices), and

• inherent power loss in the cable is 4.5 dB/km

The maximum cable leng th is therefore:

13 dB - 1.4 dB

m ≤

I

4.5 dB/km

When the 100BASE-FX link is used for a dedicated connection (i.e.,

≤ 2.58 km

full-duplex communications), cable length should not exceed 2
kilometers. However, when the link is used for a shared collision
domain (i.e., half-duplex communications), cable length should not
exceed 412 meters (IEEE 802.3u).

Note: Even though your calculations for power loss may indicate a longer permissible

length based on signal strength (as seen in the preceding example), we advise remaining

within the recommended limits.

3. Set the communication mode via the Configure button to full-duplex or

half-duplex mode to match the connected device. (Refer to

Communication Mode in Chapter 3.)

Setting the

2-4 Setup and Configuration

Fast SwitcHub-2se User’s Guide

Providing Power to the SwitcHub

1. Power on the switch by plugging the power cord into the power socket at the

rear of the SwitcHub, and the other end into a power outlet.

2. Check the LED marked

Power on the front panel to see if it is on. The unit

will automatically select the setting that matches the connected input voltage.

Therefore, no additional adjustments are necessary when connecting it to any

input voltage within the range marked on the rear panel.

3. The SwitcHub performs a self-diagnostic test upon power on. (Note that this

test takes about 50 seconds to complete.) For details about the system self-

diagnostic test, refer to the following section.

Diagnostic Tests

Upon Power On

Upon power on, the system performs an internal self-diagnostic test of major
switch components. If any component fails during the test, the switch will try
to complete the diagnostic procedure. Otherwise, the system will hang. For
related information, refer to

The components to be tested include:

• System ROM

• System EEPROM

• Ports 1 - 2

During Normal Operation

You can use the Configure button any time you want to perform a diagnostic
test. When testing begins, the system leaves normal operation. If no problem
is encountered by the diagnostic test, the system automatically returns to
normal operation.

Diagnostics Display Mode in Chapter 3.

Setup and Configuration 2-5

Fast SwitcHub-2se User’s Guide

Setting the Display Mode

The Configure button is located on the left front panel. This button is used to
access the following configuration functions in sequence:

•

Bandwidth Utilization The percentage of LAN bandwidth utilized.

Forwarding Ratio The percentage of packets that are forwarded to the

•

other port.

Filtering Ratio The percentage of packets filtered because the

•

destination is in the current segment.

Collision Ratio The percentage of collisions occurring out the total

•

packets transmitted by the port.

Full/Half Duplex Sets port communication mode to full-duplex or half-

•

duplex operation.

Diagnostics Tests the status of various system components.

•

A “long press” on the
(LED indicators light up to indicate which configuration function the system is
in.) A “short press” switches from one function to the next. And another “long
press” implements the current selection.

Configure button is used to initiate basic configuration.

“Long press” in this user's guide means pressing the Configure button for

F

2-6 Setup and Configuration

more than 2 seconds and then releasing it. “Short press” means pressing
the Configure button and immediately releasing it. Also, note that if this
button is not pressed within 10 seconds, the system will return to normal
operation.

Fast SwitcHub-2se User’s Guide

Selections Available

This section shows the information available for each display mode and the
corresponding LED indicators. The display functions are listed here in the
sequence selected by the configure button. For a more detailed description of
these indicators, refer to Chapter 3.

Bandwidth Utilization

Active LED: Util% (ON)
In this mode, the statistical indicators show the percentage of valid data

handled by each port on the switch compared to available bandwidth.

Packet Forwarding Ratio

Active LED: Forward% (ON)
In this mode, the statistical indicators show the percentage of packets that must

be forwarded by bridging hardware to the other port on the switch.

Packet Filtering Ratio

Active LED: Filter% (ON)
In this mode, the statistical indicators show the percentage of packets that must

be filtered from the switch by hardware because the destination address is on
the same segment connected to the receiving port (i.e., in the same segment
with the source address).

Collision Ratio

Active LED: Coll% (ON)
In this mode, the statistical indicators show the percentage of packet collisions

occurring out of the total packets transmitted by the respective port.

Setup and Configuration 2-7

Fast SwitcHub-2se User’s Guide

Full/Half Duplex Mode Selection

Active LED: Full/Half (ON)
This function is used to set the communication mode for selected ports to full-

duplex or half-duplex.

1. Use the

that before the

selections will be displayed by the Port Status

mode has been previously set for a port, the corresponding

lit). After the

Configure button to light the Full/Half Display Mode indicator. Note

Configure button is released, the current communication mode

Full LEDs (i.e., if full-duplex

Full LED will be

Configure button is released, the Full LED for Port 1 will begin

to flash.

2. To change the current setting for a port, use a “short press” (i.e., light the

Full LED to select full-duplex communications, or extinguish the Full LED to

select half-duplex communications), and then use a long press to effect the

setting and move on to Port 2.

3. When finished, use a long press to terminate duplex mode selection.

Diagnostic Function

Active LED: Diag (ON)
Enabling the diagnostic function will activate tests similar to the one performed

upon power on. For details on the these tests, refer to

Diagnostics Tests earlier in

this chapter. After successfully completing diagnostics, the system returns to
normal operation.

2-8 Setup and Configuration

Fast SwitcHub-2se User’s Guide

Verifying Port Status

Check each connection by viewing the port status indicators listed below. (For
a more detailed description of these indicators, refer to Chapter 3.)

•

Link Indicates that the port has established a valid network connection.

Transmit Indicates outgoing traffic traversing the port.

•

Receive Indicates incoming traffic entering the port.

•

Full Indicates that communications have been set to full-duplex mode.

•

100 Indicates that communications have been set to a speed of 100Mbps.

•

Link status indicator is not functioning properly, or you experience any

If the
other difficulties in setting up the switch, refer to Appendix A.

Verifying System Operation

Verify that all attached devices have a valid connection. The switch monitors
link status for each port. If any device is properly connected to the switch and
transmitting a link beat signal, the Link indicator lights up for the corresponding
port. If the Link indicator fails to light up when you connect a device to the
switch, check the following items -

• Be sure the twisted-pair cable is properly attached to the connected device

and the switch. Verify that the RJ-45 plug snaps into place when attached.

• See if the twisted-pair cable is functioning properly by using it for another

port and attached device that displays valid indications when connected to

the network.

• Check the length of the twisted-pair cable to be sure it does not exceed 100

meters.

Setup and Configuration 2-9

Fast SwitcHub-2se User’s Guide

• When making a fiber optic connection, be sure the Tx/Rx ports on the switch

are attached to the Rx/Tx ports on the other device. Verify that the fiber

optic cable snaps into place when attached.

• Be sure the length of fiber optic cable does not exceed 2 kilometers for a

dedicated link or 412 meters when used in a shared collision domain. (Be

sure to consider signal attenuation when determining the maximum length of

fiber optic cable.)

• Verify that the workstation’s adapter card is functioning properly by trying it

in another computer that has been successfully connected to the network.
If you still can’t resolve the problem , please refer to

2-10 Setup and Configuration

Troubleshooting in Appendix A.

Chapter 3: Hardware Reference

The Fast SwitcHub-2se is a highly reliable network switch that complies with
IEEE 802.3 (10BASE-T) and IEEE 802.3u (100BASE-TX and 100BASE-FX)
specifications. This switch delivers superior performance compared to the
bridge and router solution, and at a much lower cost. By confining local traffic
to the originating segment, and only forwarding cross-segment traffic to the
other port, this switch meets the requirements for Ethernet and IEEE 802.3
networks.

This chapter describes the hardware features of the Fast SwitcHub-2se. For
easier management and control of the switch, familiarize yourself with the
display indicators, ports and configure button. Front and rear panel illustrations
in this chapter display the unit’s LED indicators, configure button and ports.

Front Panel

The unit’s front panel provides a simple interface for configuring or monitoring
the switch. It includes a configure button, power indicator, display mode
indicators, port status indicators, and a statistical display for network traffic as
shown below.

Figure 3.1 The Fast SwitcHub-2se Front Panel

Hardware Reference 3-1

Fast SwitcHub-2se User’s Guide

Configure Button

The Configure button is located on the left front panel. This button is used to
select the following configuration functions:

• System Performance (displays relative bandwidth utilization rate, forwarding

ratio, filtering ratio, and collision ratio for each port)

• Full/Half Duplex (sets port communication mode to full-duplex or half-

duplex operations)

• Diagnostics (tests the status of various system components)

To set system performance or diagnostic mode

–

1. To start configuration use a “long press” on the Configure button. The

indicators will light up to show the selected configuration function. (Refer

to the related sections in this chapter and to Chapter 2 for complete details.)

2. To scan through the configuration functions use a “short press” on the

Configure button. (For information on how to select Full/Half duplex

communications, refer to the section on

Setting the Communication Mode.)

3. To accept and implement the current settings use a “long press” on the

Configure button.

“Long press” means pressing the Configure button for more than 2 seconds and

F

then releasing it. While “short press” means pressing the Configure button and
immediately releasing it. Also, note that if this button is not pressed within 10
seconds, the system returns to normal operation.

3-2 Hardware Reference

Fast SwitcHub-2se User’s Guide

SmartWatch Indicator Panel

The comprehensive LED array on the front panel (1) shows if the unit is
receiving power, (2) indicates the current display mode, (3) displays network
performance for each port, (4) indicates the status of port connections, and (5)
shows the result of diagnostic tests. The following figure shows the LED
indicators, each of which are described in the following sectio ns .

Power

Display Mode Performance Indicators Port Status

Figure 3.2 SmartWatch LED Panel

Power

Color: Green
Label:
Function: Power indicator

LED Activity Condition Indication

STEADY LIGHT ON Unit is receiving power, CPU is running.
NO LIGHT OFF Power is disconnected, no power received.

Power

Hardware Reference 3-3

Fast SwitcHub-2se User’s Guide

Statistical Display for System Performance
(Utilization, Forward, Filter & Collision Display Mode)

Display



Mode

Port 1
Port 2
Value








Statistical
Indicators

Color: Green and Orange
Active LEDs: LED rows labeled

1 and 2

(which indicate the status of Port 1 and Port 2 respectively

Function: Indicates a functional value for each port dependin g on the selected

display mode. (Refer to the

Configure Button section earlier in this

chapter for instructions on how to select the display mode.)

Label (%) Color Indication

90+ Orange

70 Orange of LAN bandwidth.
50 Orange
35 Green that are forwarded to another port.
20 Green
10 Green filtered because destination is in the current segment.

5 Green
1 Green occurring out of the total packets transmitted by the port.

Util% Display Mode - The utilization percentage

Forward% Display Mode - The percentage of packets

Filter% Display Mode - The percentage of packets

Coll% Display Mode - The percentage of collisions

Utilization Display Mode - (Util%) The statistical indicators show the percentage of valid

data passing through each port compared to overall network bandwidth (updated
every 0.5 seconds). There are 8 LEDs representing the percentage of network
utilization. The corresponding LEDs light up to show that the utilization of LAN
bandwidth has reached this percentage. When active, these LEDs behave like a
stereo’s equalizer display.

3-4 Hardware Reference

Fast SwitcHub-2se User’s Guide

For example, if network utilization reaches 1%, the LED labeled 1% will light up.
However, if network utilization rises above 35%, the LED labeled 35 and all the
other LEDs before it (i.e., 1, 5, 10 and 20) will also light up in rapid succession.
These indicators monitor the share of valid network frames handled by each port
within a 10Mbps or 100Mbps bandwidth, depending on the Ethernet type
currently plugged into the back panel. They provide a quick way to monitor the
current traffic load relative to the network’s capacity.

Forward Display Mode (Forward%) - The statistical indicators show the percentage of

packets that must be forwarded by bridging hardware to the other port on the
switch (i.e., another LAN segment or connected workstation). When viewing

Forward% indications, remember that under normal conditions, the

the
SwitcHub forwards 100% of all Ethernet packets that must be transferred among
the connected LAN segments at line speed.

Filter Display Mode (Filter%)- The statistical indicators show the percentage of

packets that must be filtered from the switch by hardware because the
destination address is on the same segment connected to the receiving port.
When viewing the

Filter% indications, remember that under normal conditions,

the SwitcHub filters 100% of all Ethernet packets that belong to the local LAN
segments at line speed (i.e., no local traffic leaks through to the other segment).

Collision Display Mode (Coll%)- The statistical indicators show the percentag e of pack et

collisions occurring out of the total packets transmitted by the port. C ollisions
occur when two or more devices connected to a switch attempt to transm it data
simultaneously on the network. When a collision occurs, dev ices use a back -off
scheme that forces them to pause and then re-transmit after a pseudo-random wait
period. Because wait periods differ among devices, successiv e collisions become
increasingly improbable.

The Collision LEDs assist the network manager in monitoring the percentage of
packet collisions occurring relative to the total packets transmitted by each port.
The collision indicators are labeled by row to indicate the percentage of

Hardware Reference 3-5

Fast SwitcHub-2se User’s Guide

collisions encountered by the corresponding port. When collisions reach a
level marked on the front panel display, the corresponding LED lights up. For
example, if packet collision reaches 1%, the LED labeled 1% will light up.
However, if collisions go beyond 30%, the LED labeled 30

+

% and all the other

LEDs before it (i.e., 1, 5, 10 and 20) also light up in rapid succession.

Note: If either port displays a high collision rate, check to see if any of the connected
devices are malfunctioning or if a loop has been formed in your network connections.
Otherwise, you may need to reconfigure your network to balance the traffic load.

Setting the Communication Mode (Full/Half Duplex)

Color: Green
Active LEDs:

Full/Half (Display Mode LED)
Full (Port Status LED)

Function: The communi c a ti o n mode can b e s et to e i th e r fu l l -duplex or half-

duplex operation. Use the Configure button to light the

Full/Half

Display Mode LED, indicating that the transmission mode may now
be set for the ports. Next set the Port Status LED for the correspond­ing port in the LED column labeled

Full/Half (Display Mode LED) Condition Indication

STEADY LIGHT ON Transmission mode selection enabled.
NO LIGHT OFF Transmission mode selection disabled.

Full (Port Status LED) Condition Indication

STEADY LIGHT ON Port is set for full-duplex operation.
NO LIGHT OFF Port is set for half-duplex operation.

Notes:

1. Full-duplex mode is supported for both ports.

2. Full-duplex operation only applies to point-to-point access (e.g., when
attaching the SwitcHub to a workstation, server, or another switch). Repeater
hubs use a common collision domain for all communications, and therefore
cannot support full-duplex mode. When connecting the SwitcHub to a repeater
hub, use a standard cascaded connection set for half-duplex communications.

Full as indicated below.

3-6 Hardware Reference

Fast SwitcHub-2se User’s Guide

Diagnostics Display Mode

Color: Green
Active LED:

Diag

Function: Indicates that the system is in Diagnostic mode. (Refer to the

Configure Button section earlier in this chapter for instructions on

how to select the display mode.)

After power on, the switch automatically performs a self- diagnostic test. This test
is done in two stages. The first stage is the System Diag nostic Test, and the
second stage is the Port Diagnostic Test. If a problem is detected, the current
diagnostic process (i.e., system or port test) will continue until com p leted. I f the
test is not completed successfully, the corresponding LEDs (described below)
will flash after test completion to indicate which component failed the test.

System Diagnostic Test

The following table d escribes th e system level failures and corresponding
indicators. If a problem is detected, the Statistical Indicators in the eig h th colum n

+

90

) in both rows will flash to indicate that the device failed the test. The

(
following indicator will also flash to indicate the failure condition.

LED Indicator

(Row, Column)

1,1 (1% LED) Green System ROM
1,2 (5% LED) Green System EEPROM

Color Component Tested

Hardware Reference 3-7

Fast SwitcHub-2se User’s Guide

Port Diagnostic Test

The Port Diagnostic Test checks all ports. If a problem is detected, an LED in
the corresponding row (which indicates the malfunctioning port) and column
(which indicates the failed component) will light up as shown below.

LED Indicator

(Column)

4 (20% LED) Green Failed Port IC Test
5 (35% LED) Green Failed Routing Table Test
6 (50% LED) Orange Failed Input Queue RAM Test
7 (70% LED) Orange Failed Output Queue RAM Test

Note: Enabling the Diagnostic function activates tests similar to the one performed upon
power on. After successfully completing diagnostics, the system returns to normal
operation.

Color Diagnostic Test Status

Port Status Display

← Port 1 statistcs are displayed on the top row

Port 2 statistcs are displayed on the bottom row

←

Status

←

Link Status (Link) - Indicates a valid network connection associated with the port.

LED Activity Condition Indication

STEADY LIGHT ON Indicates a valid link has been established on this port.
NO LIGHT OFF No valid link has been established on this port.

Troubleshooting

corresponding port, check that both the switch and connected device are powered on.
For devices connected to the switch using twisted-pair cable (i.e., when making 10BASE-T
or 100BASE-TX connections), check that the cable length does not exceed 100 meters.
Use standard, straight-through cables and not crossover or other specialized cables.
When connecting to a 100BASE-FX device, be sure the fiber optic cable does not
exceed 2 kilometers. Also remember to account for power loss when calculating the
maximum length you can run fiber optic cabling as described in Chapter 2.

:

If the Link LED does not light up when a device is connected to its

3-8 Hardware Reference

Fast SwitcHub-2se User’s Guide

Transmit (TX) - Indicates outgoing traffic traversing the port.

LED Activity Condition Indication

BLINKING LIGHT ON Indicates the port is transmitting packets; blinking is

proportional to the traffic passing through the port.

NO LIGHT OFF No packets are being transmitted from this port.

Receive (RX) - Indicates incoming traffic entering the port.

LED Activity Condition Indication

BLINKING LIGHT ON Indicates the port is receiving packets; blinking is

proportional to the traffic passing through the port.

NO LIGHT OFF No packets are being received on this port.

Full-Duplex (Full) - Indicates that communications have been set to full-duplex

operation for the indicated port.

LED Activity Condition Indication

STEADY LIGHT ON Port is set for full-duplex operation.
NO LIGHT OFF Port is set for half-duplex operation.

Note: Full-duplex operation only applies to point-to-point access (e.g., when attaching
the SwitcHub to a server or to a workstation). When connecting the SwitcHub to other
compatible switches or hubs, use a standard cascaded connection.

100Mbps (100) - Indicates that communications have been set to 100Mbps.

(The transmission speed for any device directly attached to the SwitcHub
is automatically sensed at 10Mbps or 100Mbps.)

LED Activity Condition Indication

STEADY LIGHT ON Port is set for 100Mbps connection.
NO LIGHT OFF Port is set for 10Mbps connection.

For example, this display shows both ports
linked to the network, currently transmitting
and receiving traffic at half-duplex. Port 1 is
set at 10Mbps and Port 2 is set at 100 Mbps.

Hardware Reference 3-9

Fast SwitcHub-2se User’s Guide

Rear Panel

The unit’s rear panel includes two Ethernet ports and a full-range power socket.
Although 10Mbps and 100Mbps connections are automatically sensed by the
SwitcHub, you must use the Configure button to set the data transfer mode to
full-duplex or half-duplex operation, as described under

Mode

in this ch a p t er . Th e f o ll o w i n g figure shows the rear panel.

Figure 3.3 The Fast SwitcHub-2se Rear Panel

Ethernet Ports

The SwitcHub has 2 Ethernet ports – one is used for 100BASE-TX or
10BASE-T media and the other for 100BASE-FX media.

100BASE-TX or 10BASE-T – The STP RJ-45 port pair provides one MDI-X port

for connecting to a workstation or server and one MDI port for connecting to
another network interconnection device, such as a hub or switch. When using
Fast Ethernet, these ports can also be connected to devices such as a high-speed
server or Ethernet backbone. Use straight-through twisted-pair cable to connect
to either the MDI or MDI-X switching port (not both).

Setting the Communication

100BASE-FX – This port provides Rx/Tx jacks for connecting any compatible

network device using multimode fiber optic cable with SC or ST type connec­tors. Mate the Rx/Tx jacks with the Tx/Rx jacks on the target device.

3-10 Hardware Reference

Fast SwitcHub-2se User’s Guide

Notes:

1. Both 50/125 mm and 62.5/125 mm cable are commonly available.

2. This same guage of mutilmode fiber optic cable can be used for making
connections to both 10 Mbps and 100 Mbps Ethernet. Therefore, when
upgrading older fiber optic Ethernet to the newer Fast Ethernet, check to
see if you actually need to change your present cabling.

Power Socket

The power socket accepts AC power from 100 to 240V at 50 to 60Hz. The unit
is equipped with a universal full-range power source.

Hardware Reference 3-11

Appendix A: Troubleshooting

Diagnosing Switch Indicators

The Fast SwitcHub-2se can be easily monitored through its comprehensive
panel indicators. These indicators assist the network manager in identifying
problems the switch may encounter. This section describes common problems
you may encounter and possible solutions.

Symptom: Link indicator does not light up (green LED) after making a connection.
Cause: Workstation’s network adapter, cable or switch port is defective.
Solution: The most common cause for a bad connection to a workstation or

server is a defective network adapter or cable connection. Check the
workstation’s network adapter and cable connections for possible
defects. Replace the defective adapter or cable.

Symptom: Power indicator do e s n o t li ght u p ( g r e e n L E D ) after power on.
Cause: Defective power supply or CPU
Solution: Have your unit’s power supply or CPU replaced. Ask for dealer

assistance.

Use the diagnostic procedures described in Chapters 2 and 3 to verify that all
other system components are functioning properly. If any component fails the
diagnostic test, contact your Accton distributor for assistance.

Troubleshooting A-1

Fast SwitcHub-2se User’s Guide

System Diagnostics

Installation

Verify that all system components have been properly installed. If one or more
components appear to be malfunctioning, test them in an alternate environment
where you are sure that all the other components are functioning properly.

Transmission Mode

Be sure each port on the SwitcHub is set to the same transmission mode as the
attached device; i.e., full duplex or half duplex. (Refer to

tion Mode

Cabling

in Chapter 3 for a detailed description.)

1. Verify that the cabling type is correct. Be sure all cable connectors are
securely seated in the required ports. Straight-through cable should be used
for all standard twisted-pair connections; and multimode cable with SC or
ST type connectors should be used for fiber optic connections.

2. Make sure all devices are connected to the network. Equipment may have

been unintentionally disconnected from the network.

Setting the Communica-

External Adapters

Make sure the network adapter cards installed in the workstations are
compatible with your network media type and are in good working condition.

A-2 Troubleshooting

Fast SwitcHub-2se User’s Guide

Configuration

If problems occur after altering the network configuration, restore the original
connections, then try to track the problem down by implementing the new
changes, one step at a time. Ensure that cable distances and other physical
aspects of the installation do not exceed recommendations.

Switch Integrity

As a last resort verify the switch’s integrity with a power-on reset. Turn the
power to the switch off and then on. If the problem still persists and you have
completed all the preceding diagnoses, contact your Accton distributor for
further assistance. (Refer to Appendix E.)

Troubleshooting A-3

Appendix B:

Port and Cable Assignments

RJ-45 Port

Figure B-1 RJ-45 Connector (on the Switch Side)

Pin

1 Input Receive Data + Output Transmit Data +
2 Input Receive Data - Output Transmit Data ­3 Output Transmit Data + Input Receive Data +
6 Output Transmit Data - Input Receive Data -

4,5,7,8 Not Used Not Used

MDI-X Assignment

Station Port 1

Table B-1 RJ-45 Pin Assignments

MDI Assignment

Cascade Port 1

Schematics for both straight and crossover twisted-pair cable are shown below.

Straight-Through Crossover

(Switch) (Adapter) (Switch) (Switch)

1 IRD+ 1 OTD+ 1 IRD+ 1 IRD+
2 IRD- 2 OTD- 2 IRD- 2 IRD­3 OTD+ 3 IRD+ 3 OTD+ 3 OTD+
6 OTD- 6 IRD- 6 OTD- 6 OTD-

Cable and Port Assignments B-1

Appendix C: Specifications

Product Specifications

Basic Criteria

Access Method
Standards Conformance IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX and 100BASE-FX
Communication Mode Full duplex or half duplex

Media Supported 10BASE-T Category 3,4,5 twisted-pair cable (100W)

Number of Ports 1 RJ-45 port (selects 100BASE-TX or 10BASE-T via auto-detection)
Dimensions 273mm x 166mm x 42.9mm (10.75[ x 6.54[ x 1.69[)

Power Requirements Full range power input, 100 to 240V, 50/60 Hz, 27 watts max.
Temperature 0°C to 50°C (Standard Operating)
Humidity 5% to 95% (Noncondensing)
Certification CE Mark
Emissions FCC Class B, VCCI Class 2, CISPR Class B
Immunity IEC 801-2,3,4, EN60555-2 Class A, EN60555-3
Safety UL, CSA, TÜV/GS

Switching Criteria

Network Bridging Function
Maximum Filtering Rate at line speed
Maximum Forwarding Rate at line speed
Network Latency less than 20 microseconds
Address Table 4K entries/port
Queue Buffer 160K bytes/port

CSMA/CD, 10/100 Mbps (auto-sensed)

100BASE-TX Category 5 twisted-pair cable (100
100BASE-FX 50/125

1 fiber optic port with SC or ST type jacks

filtering, forwarding and learning

mm or 62.5/125 mm guage

multimode fiber optic cable

W)

Specifications C-1

Appendix D:

Regulatory Standards Compliance

EMI Warning

FCC Class B Certification

Accton Technology Corporation
Model Numbers: ES3002-TF
FCC ID: HED3002ESLCT-TF

This device complies with Part 15 of the FCC Rules. Operation is subject to the
following conditions:

1. This device may not cause harmful interference, and

2. This device must accept any interference received, including interference that may
cause undesired operation.

Warning!

Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the
following measures:

• Reorient or relocate the receiving antenna

• Increase the separation between the equipment and receiver

• Connect the equipment into an outlet on a circuit different from the one which the receiver is

• Consult the dealer or an experienced radio/TV technician for help

You may use unshielded or shielded cables for RJ-45 connections.
Use multimode fiber optic cable for SC or ST type connections.

This equipment has been tested and found to comply with the limits for a

connected to

Regulatory Standards Compliance D-1

Fast SwitcHub-2se User’s Guide

You are cautioned that changes or modifications not expressly approved by the party
responsible for compliance could void your authority to operate the equipment.

Warnings

1. Wear an anti-static wrist strap or take other suitable measures to prevent
electrostatic discharge whenever handling this equipment.

2. When connecting this device to a power outlet, connect the field ground
lead on the tri-pole power plug to a valid earth ground line to prevent
electrical hazards.

You may find the following booklet prepared by the Federal Communications
Commission helpful:

The Interference Handbook

This booklet is available from the U.S. Government Printing Office. Washington, D.C.

20402. Stock No. 004-000-00345-4.

Note:

In order to maintain compliance with the limits of a Class B digital device, Accton

requires that you use a quality interface cable when connecting to this device. Changes

or modifications not expressly approved by Accton could void the user’s authority to
operate this equipment. Suggested cable type is:

• Twisted-pair for RJ-45 connections: 10BASE-T or 100BASE-TX

• 50/125 mm guage multimode fiber optic cable

for SC or ST type connections: 100BASE-FX

Voluntary Control Council for Interference (VCCI-2)

This product also com pl ie s with CISPR22 Clas s B (EN55022 C l as s B).

D-2 Regulatory Standards Compliance

Fast SwitcHub-2se User’s Guide

EN55022 Declaration of Conformance

This is to certify that this product is shielded against the generation of radio interference
in accordance with the application of Council Directive 89/336/EEC, Article 4a.
Conformity is declared by the application of EN55022:1987 Class B (CISPR
22:1985/BS 6527:1988).

CE Mark Declaration of Conformance

This is to certify that this product complies with ISO/IEC Guide 22 and EN45014. It
conforms to the following specifications:

EMC: EN55022(1988)/CISPR-22(1985) class B

EN60555-2(1987) class A
EN60555-3
prEN55024-2(1990)/IEC801-2(1991) 4kV CD, 8kV AD
prEN55024-3(1991)/IEC801-3(1984) 3V/m
prEN55024-4(1992)/IEC801-4(1988) 1kV - (power line)

0.5kV - (signal line)

This product complies with the requirements of the Low Voltage Directive 73/23/EEC
and the EMC Directive 89/336/EEC.

Do not plug a phone jack connector into any of the RJ-45 ports.
This may damage the device.

Les raccordeurs ne sont pas utilisé pour le système téléphonique!

Regulatory Standards Compliance D-3

Fast SwitcHub-2se User’s Guide

Safety Compliance

Underwriters Laboratories Compliance Statement

Important! Before making connections, make sure you have the correct Cord Set.
Check it (read the label on the cable) against the following specification list.

Operating Voltage Cord Set Specifications

120 Volts UL Listed/CSA Certified Cord Set

Minimum 18 AWG
Type SVT or SJT three conductor cord
Maximum length of 15 feet
Parallel blade, grounding type attachment plug rated 15A, 125V

240 Volts (For North America) UL Listed/CSA Certified Cord Set

Minimum 18 AWG
Type SVT or SJT three conductor cord
Maximum length of 15 feet
Tandem blade, grounding type attachment plug rated 15A, 125V

240 Volts (For Europe only) Cord S e t w it h H05VV - F co rd havin g t h ree conductors with minimum diameter of

The unit automatically matches the the connected input voltage. Therefore, no additional
adjustments are necessary when connecting it to any input voltage within the range
marked on the rear panel.

2

0.75 mm
IEC-320 receptacle
Male plug rated 6A, 250V

D-4 Regulatory Standards Compliance

Fast SwitcHub-2se User’s Guide

Sicherheitshinweise

1. Die Steckdose muß sich in der Nähe des Gerätes befinden und leicht zugänglich sein.

2. Zum Reinigen den Stecker aus der Steckdose ziehen. Beim Reinigen keine
Flüssigreiniger oder Sprays verwenden, sondern ein angefeuchtetes Tuch.

3. Das produkt gerät nicht in Naßräume oder in der Nähe von Wasser benutzen, wie z.B.
Badezimmer, Schwimmbad, Spülbecken usw. . Das Eindringen von Wasser kann zur
Zerstörung des Gerätes führen.

4. Das produkt gerät nicht auf einer unstabilen Unterlage, wie z.B. Rollwagen, Gestell
usw., aufstellen. Es könnte herunterfallen und Verletzungen oder Beschädigungen von
Mensch und Gerät verursachen.

5. Die Belüftungsöffnungen nicht blockieren oder auf falscher Ober-fläche, wie Bett,
Sofa usw., stellen. Durch die Blockierung kann es zur Zerstörung des Gerätes durch
Überhitzung kommen.

6. Versuchen Sie niemals dieses Gerät selbst zu warten, da beim Öffnen oder Abnehmen
des Gehäuses die Gefahr eines elektrischen Schlages besteht.

7. Keine Gegenstände auf das Anschlußkabel stellen, damit es nicht durch scharfe Kanten
zerstört werden kann.

8. Keinerlei Gegenstände durch die Öffungen in das Gerät stecken, da es dadurch sonst
zu Kurzschlässen kommen kann.

9. Bei Störungen des Gerätes den Wartungsdienst verständigen.

10. Bei Reperaturen dürfen nur Orginalersatzteile oder Bauteile mit gleichen
Eigenschaften verwendet werden. Andere Bauteile können Feuer, elektrischen Schlag
oder andere Gefahren verursachen.

11. Nach Beendigung von Wartungsarbeiten oder Reperaturen durch den Kundendienst
sollte die Sicherheitsprüfung durchgeführt werden.

12. Bei längerem Stillstand des Gerätes, ist diese von der Versorgungs- spannung zu
trennen. Dies verhindert eine Beschädigung des Gerätes durch eine Überspannung in
der Zuleitung.

13. Der arbeitsplatzbezogene Lärmschutzpegel nach DIN 45 635 ist kleiner 70dB (A).

Regulatory Standards Compliance D-5

Appendix E: Product Support Services

Product Registration

Fill in the Owner Registration Card and mail it to Accton Technology Corporation.
Accton will keep your record and inform you of any new Accton unit developments.

Problem Report

If problems occur during unit operation, please check the adapter configuration settings,
cables, connectors, network terminators, hardware compatibility and other network
components.

Write a description of the problem, including what problems occurred, when they
occurred, duration of the problems, the unit number, serial number, hardware, software
and the DOS version that you are using. Then contact your dealer or Accton Technology
Corporation for assistance.

Hardware Repair Service

You must get an RMA (Return Materials Authorization) number before returning any
hardware for repair. To obtain this number please inform Accton of your company
name, address, unit name and model number, contact person, telephone number, and a
problem description list. If your unit is under repair warranty you must also give your
purchase date. Carefully pack your hardware. If possible, use the original carton. Mark
the RMA number on the carton and send it to your dealer.

Product Support Services E-1

Fast SwitcHub-2se User’s Guide

After repair, Accton will inform you of the date of delivery and the exact amount due.
Please send the payment by T/T (Telegram Transfer), and Accton will send you the
fixed component after receiving payment. With or without warranty, if the hardware is
found to be free of defects, you will only be charged for testing and handling.

Software Update and Upgrade Service

Accton constantly improves its software units by adding enhancements and new
features. Minor software updates are free of charge. If greater changes have been made
to the software, Accton offers software upgrade services at a specially reduced price.

Bulletin Board Service (BBS)

• In countries other than the U.S., call 886-35-770-654 to reach Accton Taiwan’s

modem line. Modems with 14400 through 2400 baud are supported. Choose 8 data
bits, 1 stop bit and no parity. Standard VT100 terminal emulation is supported

• In the United States, call 408-452-8828 to reach the Accton USA’s BBS line.

Modems with 14400 through 2400 baud are supported. Choose 8 data bits, 1 stop bit
and none parity. Standard VT100 terminal emulation is supported.

Interactive Fast Fax (U.S.A. office)

Printed technical documentation can be FAX’ed to your FAX machine, 24-hours a day.

• Call 408-452-8811 to reach Accton’s interactive Fast FAX service. You will need a

Touch-Tone phone and a FAX machine (or equivalent). Choose document 911 for a
listing of technical bulletins.

E-2 Product Support Services

Fast SwitcHub-2se User’s Guide

Technical Support

Your dealer or installer is the person who understands your network and Accton units.
If neither is available to help you, Accton technical support engineers are available by
FAX, mail or phone.

• Send your technical questions by FAX to:

International Headquarters: 886-35-770-267
USA Headquarters: 408-452-8988

• To obtain software upgrades connect via ftp to ftp.accton.com.tw

• Send your technical questions by email to [e-mail]

• Mail your technical questions to:

International Headquarters

Accton Technology Corporation
Attn: Technical Support
No. 1 Creation Road III
Science-based Industrial Park
Hsinchu 300, Taiwan, R.O.C.

International Headquarters

(Monday through Friday,
8 am to 6 p.m.):
886-35-770-270

Product Support Services E-3

USA Headquarters

Accton Technology
Corporation
Attn: Technical Support
1962 Zanker Road,
San Jose, CA 95112, U.S.A.

During local business hours, call:

USA Headquarters

(Monday through Friday,
7 am to 5 p.m. Pacific Time):
408-452-8900 or 800-926-9288

Fast SwitcHub-2se User’s Guide

Limited Warranty

Accton warrants to the original owner that the product delivered in this package will be free from
defects in material and workmanship for the lifetime of the product. For the warranty to apply, you
must register your purchase by returning the registration card indicating the date of purchase and
including proof of purchase. There will be a minimal charge to replace consumable components, such
as fuses, power transformers, and mechanical cooling devices. The warranty does not cover the product
if it is damaged in the process of being installed. Accton recommends that you have the company from
whom you purchased this product install it.

THE ABOVE WARRANTY IS IN LIEU OF ANY OTHER WARRANTY, WHETHER EXPRESS,
IMPLIED OR STATUTORY, INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR ANY WARRANTY
ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. ACCTON SHALL NOT BE
LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES. ACCTON NEITHER ASSUMES
NOR AUTHORIZES ANY PERSON TO ASSUME FOR IT ANY OTHER LIABILITY.

Customer Remedies

If the product is found to be defective within the first two years from the later of date of purchase or

date of manufacture, Accton’s entire liability and your exclusive remedy for any breach of warranty,
shall be, at its option, to repair or replace the product at no charge except as set forth below. If the
product is found to be defective after two years from the later of date of purchase or date of
manufacture, Accton will charge a process and handling fee, provided that you deliver the product along
with a return material authorization (RMA) number either to the company from whom you purchased it
or to Accton. Accton warrants the repaired or replaced product to be free from defects in material and
workmanship for the remainder of the original product’s warranty period. Consumable components are
warranted only for two years.

E-4 Product Support Services

Fast SwitcHub-2se User’s Guide

Return Process

Before you may return any Accton product to Accton, you must request an RMA number by calling,

FAXing or writing Accton’s Service Department at the address listed below. If you ship the product,
you must assume the risk of damage or loss in transit. You must use the original container (or the
equivalent) and pay the shipping charge. Accton may replace or repair the product with either a new or
reconditioned product, and the returned product becomes Accton’s property. At Accton’s sole
discretion, Accton will issue a credit for either a comparable replacement Accton product or credit the
original purchase price towards the purchase of any Accton product for any unrepairable, defective
product.

This warranty does not cover replacement of products damaged by abuse, accident, misuse, neglect,
alteration, repair, disaster, improper installation or improper testing.

ACCTON SHALL NOT BE HELD LIABLE FOR ANY LOSS OF PROFITS, LOSS OF USE,
INCIDENTAL, CONSEQUENTIAL OR SPECIAL DAMAGES CAUSED BY THE USE OF THIS
PRODUCT OR INABILITY TO USE IT, EVEN IF THE COMPANY OR ACCTON HAS BEEN
ADVISED OF SUCH LIABILITY OR OTHER SPECIAL CLAIMS.

If you purchased this product in the USA, be aware that some states do not allow limitations on how
long an implied warranty lasts, so the above limitations may not apply to you. Some states do not allow
the exclusion or limitation of incidental or consequential damages, so the above limitations or
exclusions may not apply to you. This warranty gives you specific legal rights and you may have other
rights which vary from state to state. All parts or components contained in this product are covered by
Accton’s Limited Lifetime Warranty for this product. The product may contain fully tested, recycled
parts, warranted as if new.

For warranty information:
All territories except North and South America:

Accton Technology Corporation, International Headquarters
No. 1, Creation Rd. III, Science-based Industrial Park, Hsinchu 300, Taiwan, R.O.C.
Phone: [phone] Fax: [phone] BBS: 886-35-770-654

North and South America:

Accton Technology Corporation, USA Headquarters
1962 Zanker Road, San Jose, CA 95112, U.S.A.
Phone: [phone] Fax: [phone] BBS: 408-452-8828

Product Support Services E-5

Accton Offices

Fast SwitcHub-2se User’s Guide

Accton Technology Corporation

International Headquarters,
No. 1 Creation Rd. III,
Science-based Industrial Park,
Hsinchu 300, Taiwan, R.O.C.
Hsinchu: Phone: [phone],
Fax: [phone]
BBS: 886-35-770-654
Taipei: Phone: [phone] to 9
Fax: [phone]

Accton USA,
1962 Zanker Road,
San Jose, CA 95112, USA
Phone: [phone]
Fax: [phone]
BBS: 408-452-8828
FAST FAX: [phone]

Accton UK,
The Mill Horton Road,
Stanwell Moor,
Staines. Middx. TW19 6BJ United Kingdom
Phone: [phone]
Fax: [phone]

Ordering Information

Accton Australia,
Unit 23, No.27 Doomben Ave.,
Eastwood, N.S.W. 2122, Australia
Phone: [phone]
Fax: [phone]

Accton Deutschland,
Bahnhofstr. 6,
65623 Hahnstatten, Germany
Phone: [phone]
Fax: [phone]

Accton Japan,
Kano Bldg. 7F,
1-25-1 Nishi-Gotanda,
Shinagawa-ku,
141 Tokyo, Japan
Phone: [phone]
Fax: [phone]

• Fast SwitcHub-2se

(ES3002-TF-SC) or
(ES3002-TF-ST)

Smart Fast Ethernet Switch
with one RJ-45 port for 100BASE-TX or 10BASE-T,
and one SC or ST type port for 100BASE-FX

E-6 Product Support Services

Glossary

10BASE-T

IEEE’s specifications for 10 Mbps Ethernet using twisted-pair cable (100W STP or
UTP). The maximum length of cable for a point-to-point connection is 100 meters.

100BASE-TX

IEEE’s specifications for 100 Mbps Ethernet using twisted-pair cable (100W STP or
UTP). The maximum length of cable for a point-to-point connection is 100 meters.

100BASE-FX

IEEE’s specifications for 100Mbps Ethernet using multimode fiber optic cable. The
maximum length of cable for a point-to-point connection is 2 kilometers for a dedicated
link (i.e., full-duplex connection) or 412 meters for a shared collision domain (i.e., half­duplex connection).

Bus Topology

A network topological arrangement where only one path exists between any two nodes,
and data transmitted by any node is concurrently available to all other nodes on the same
transmission medium.

Configuration

The way to set up a computer, server, or local area network.

Connection

A logical binding between two or more users of an interconnection service.

Glossary 1

Fast SwitcHub-2se User’s Guide

Daisy-Chain Port

MDI port on the SwitcHub. Port 1 can be used to connect the fast Ethernet switch to
other compatible switches or other network interconnection devices.

Ethernet

A network communication system developed and standardized by DEC, Intel, and
Xerox, using baseband transmission, CSMA/CD access and logical bus topology, and
coaxial cable. The successor IEEE 802.3 standard provides for integration into the OSI
model and extends the physical layer and media with repeaters and implementations that
operate on fiber optics, broadband, and twisted-pair.

IEEE 802.3 Standard

Standard for the physical and electrical connections in local area networks developed by
the IEEE. The IEEE 802.3u standard covers these same issues for 100 Mbps networks.

LED

Light emitting diode on the front panel of the SwitcHub used for monitoring a switch or
network condition. An LED display corresponds to a switch condition.

Local Area Network (LAN)

A group of interconnected computers and support devices.

MDI Port (Medium Dependent Interface)

MDI is the IEEE standard for the UTP interface to 10BASE-T. This RJ-45 port can be
used with straight-through cable to connect the switch to a network interconnection
device, such as another switch or a router. Pin-out assignments are shown in Appendix
B.

2 Glossary

Fast SwitcHub-2se User’s Guide

MDI-X Port (Medium Dependent Interface - Crossed)

This RJ-45 port, which crosses the receive and transmit signals internally, can be used
with straight-through cable to connect the switch to any workstation or server that has a
properly installed network adapter card. Pin-out assignments are shown in Appendix B.

RJ-45 Connector

Most common terminator for twisted-pair wiring.

Shielded Twisted-Pair (STP)

Twisted-pair wire covered with an external aluminum-foil or woven-copper shield
designed to reduce excessive noise pick up or radiation.

Station Port

The SwitcHub MDI-X port or the fiber optic port can be used for connecting the switch
to any workstation or server that has a properly installed network adapter card.

Unshielded Twisted-Pair (UTP)

Cable composed of two insulated wires twisted together to reduce electrical
interference; used in common telephone cord.

Glossary 3

Index

C

Configure Button • 3-2
Connecting the Switch System • 2-1
Connections

Fiber Optic • 2-3
RJ-45 • 2-2

Verifying • 2-9
Crossover Cable • B-1
Cut-through Switching • 1-2

D

Diagnostic Tests • 2-5
Display Mode • 2-5
Distance Limit in Fiber Optics • 2-3

E

EMI Warning • D-1
Ethernet Ports • 3-10

F

Fast SwitcHub-2se • 1-2
Filter Packets • 1-1
Forward Packets • 1-1
Front Panel • 3-1
Full/Half Duplex Mode Selection • 2-7

H

Hardware Reference • 3-1

I

Installation Requirements • 2-1

L

LED Indicators

100 • 3-9
Coll% • 3-5
Diag • 3-7
Filter% • 3-5
Forward% • 3-5
Full • 3-9
Full/Half • 3-6
Link • 3-8
Power • 3-3
RX • 3-9
Statistical Display • 3-4
TX • 3-9

Util% • 3-4
Limited Warranty • E-4
Link indicator • 2-9

M

Maximum Cable Length

Fiber Optic • 2-9

Twisted-Pair • 2-9

P

Port and Cable Assignments • B-1
Port Diagnostic Test • 3-8
Port Status • 2-8

Index 1

Fast SwitcHub-2se User’s Guide

Port Status Indicators • 3-8
Ports

100BASE-FX • 3-10

100BASE-TX or 10BASE-T • 3-10
Power Loss in Fiber Optics • 2-3
Power Socket • 3-11
Product Features • 1-4
Product Specifications • C-1
Product Support Services • E-1

Accton Offices • E-6

Bulletin Board Service • E-2

Hardware Repair Service • E-1

Interactive Fast Fax • E-2

Ordering Information • E-6

Software Update and Upgrade Service • E-2

Technical Support • E-3
Providing Power to the SwitcHub • 2-4

R

Rear Panel • 3-10
RJ-45 Port

MDI • 2-2

MDI-X • 2-2

S

Safety Compliance • D-4
Setup and Configuration • 2-1
SmartWatch Indicators • 3-3
Standards Compliance • D-1
Switching Methods

Adaptive Cut-through • 1-3
Cut-through • 1-3
Fragment-free Cut-through • 1-3

Store-and-forward • 1-3
Switching Technology • 1-1
System Diagnostic Test • 3-7

T

Troubleshooting • 3-8

Configuration • A-3

Switch Indicators • A-1

Installation • A-2

V

Verifying System Operation • 2-9

2 Index

ES3002-TF
E0596-R01
150050-101