Allied Telesis AT-GS950-8POE User Manual

Gigabit Ethernet WebSmart Switch
AT-GS950/8POE
Installation Guide
613-000989 Rev. A
Copyright © 2008 Allied Telesis, Inc.
All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesis, Inc.
Allied Telesis, Inc. reserves the right to make changes in specifications and other information contained in this document without prior written notice. The information provided herein is subject to change without notice. In no event shall Allied Telesis, Inc. be liable for any incidental, special, indirect, or consequential damages whatsoever, including but not limited to lost profits, arising out of or related to this manual or the information contained herein, even if Allied Telesis, Inc. has been advised of, known, or should have known, the possibility of such damages.
Electrical Safety and Emissions Standards
This product meets the following standards.
U.S. Federal Communications Commission
Radiated Energy
Note: This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of 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 instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.
Note: Modifications or changes not expressly approved of by the manufacturer or the FCC, can void your right to operate this equipment.
Industry Canada
This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.
RFI Emissions FCC Class A, EN55022 Class A, EN61000-3-2, EN61000-3-3,
C-TICK, CE
Warning: In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures.
EMC (Immunity) EN55024
Electrical Safety EN60950-1 (TUV), UL 60950-1 (
(
CULUS
)
CULUS
), CSA-C22-2 No. 60950-1
Laser Safety EN60825
3
Translated Safety Statements
Important: The indicates that a translation of the safety statement is available in a PDF document titled “Translated Safety Statements” (613-000990) posted on the Allied Telesis website at www.alliedtelesis.com.
4

Contents

Preface ............................................................................................................................................................ 11
Product Documentation .................................................................................................................................... 12
Starting a Management Session ...................................................................................................................... 13
Safety Symbols Used in this Document ........................................................................................................... 14
Where to Find Web-based Guides ................................................................................................................... 15
Contacting Allied Telesis .................................................................................................................................. 16
Online Support ........................................................................................................................................... 16
Email and Telephone Support.................................................................................................................... 16
Warranty..................................................................................................................................................... 16
Returning Products .................................................................................................................................... 16
Sales or Corporate Information .................................................................................................................. 16
Management Software Updates................................................................................................................. 16
Chapter 1: Overview ...................................................................................................................................... 17
Introduction....................................................................................................................................................... 18
Features..................................................................................................................................................... 18
10/100/1000Base-T Twisted Pair Ports............................................................................................................ 20
Connector Type.......................................................................................................................................... 20
Speed......................................................................................................................................................... 20
Duplex Mode .............................................................................................................................................. 20
Maximum Distance..................................................................................................................................... 20
Cable Type................................................................................................................................................. 21
Auto-MDI/MDI-X......................................................................................................................................... 21
Port Pinouts................................................................................................................................................ 21
Power over Ethernet......................................................................................................................................... 22
Power Budgeting........................................................................................................................................ 23
Implementation........................................................................................................................................... 23
Redundant Twisted Pair Ports.......................................................................................................................... 24
SFP Transceiver Slots...................................................................................................................................... 25
LEDs................................................................................................................................................................. 26
PoE LEDs................................................................................................................................................... 26
10/100/1000Base-T Twisted Pair Port LEDs ............................................................................................. 27
SFP LEDs .................................................................................................................................................. 27
System LED ............................................................................................................................................... 28
Power Supply ................................................................................................................................................... 29
Network Topologies.......................................................................................................................................... 30
Power Workgroup Topology....................................................................................................................... 30
Collapsed Backbone .................................................................................................................................. 30
Chapter 2: Installing the Hardware .............................................................................................................. 33
Reviewing Safety Precautions.......................................................................................................................... 34
Selecting a Site for the Switch.......................................................................................................................... 36
Unpacking a Switch .......................................................................................................................................... 37
Installing the Switch on a Desktop.................................................................................................................... 38
Installing the Switch in an Equipment Rack...................................................................................................... 39
5
Contents
Installing the Switch on a Wall .......................................................................................................................... 41
Resetting the Switch ......................................................................................................................................... 43
Chapter 3: Cabling the Network Ports ......................................................................................................... 45
Cable Specifications .........................................................................................................................................46
Twisted Pair Cable Specifications .............................................................................................................. 46
Optional Transceiver Cable Specifications................................................................................................. 47
Cabling the Switch ............................................................................................................................................ 48
Connecting an RJ-45 Cable.............................................................................................................................. 49
Installing Optional Transceivers ........................................................................................................................ 50
Installing an SFP Transceiver.....................................................................................................................50
Powering on a Switch .......................................................................................................................................53
Chapter 4: Troubleshooting .......................................................................................................................... 55
Power LED is Off .............................................................................................................................................. 56
Twisted Pair Port Link LED is Off...................................................................................................................... 57
Port PoE LED is not Solid Green ......................................................................................................................58
Port PoE LED is Off .......................................................................................................................................... 59
SFP LED is Off.................................................................................................................................................. 60
Transceiver is Installed but the Status is “Not Present” .................................................................................... 61
Switch Functions Intermittently .........................................................................................................................62
Appendix A: Technical Specifications ......................................................................................................... 63
Physical Specifications .....................................................................................................................................63
Environmental Specifications ............................................................................................................................ 63
Power Specifications.........................................................................................................................................63
Certifications .....................................................................................................................................................64
RJ-45 Twisted Pair Port Pinouts ....................................................................................................................... 65
RJ-45 Style Serial Terminal Port Pinouts.......................................................................................................... 67
6

Figures

Figure 1: AT-GS950/8 POE Switch— Front and Back Panels .............................................................................................18
Figure 2: SFP Transceiver....................................................................................................................................................25
Figure 3: Port LEDs on an AT-GS950/8POE Switch............................................................................................................26
Figure 4: Power Workgroup Topology..................................................................................................................................30
Figure 5: Collapsed Backbone—Hub Topology....................................................................................................................31
Figure 6: Attaching the Rubber Feet ....................................................................................................................................38
Figure 7: Removing the Feet ................................................................................................................................................39
Figure 8: Attaching Rack-Mount Brackets ............................................................................................................................40
Figure 9: Mounting the Switch in a Rack ..............................................................................................................................40
Figure 10: Attaching a Rack-mount Bracket for Wall mounting ............................................................................................41
Figure 11: Attaching the switch to the wall ...........................................................................................................................42
Figure 12: Resetting the Switch............................................................................................................................................43
Figure 13: Connecting an RJ-45 cable .................................................................................................................................49
Figure 14: Removing a Dust Plug from an SFP Slot ............................................................................................................50
Figure 15: Installing an SFP Transceiver..............................................................................................................................51
Figure 16: Removing the SFP Cover....................................................................................................................................51
Figure 17: Inserting the Fiber Optic Cable............................................................................................................................52
Figure 18: Connecting the AC Power Cord ..........................................................................................................................53
Figure 19: RJ-45 Connector and Port Pin Layout.................................................................................................................65
7
Figures
8

Tables

Table 1: Safety Symbols ......................................................................................................................................................14
Table 2: IEEE 802.3af Class vs. Power Levels ...................................................................................................................23
Table 3: PoE LEDs ..............................................................................................................................................................26
Table 4: Twisted Pair Port LEDs .........................................................................................................................................27
Table 5: SFP Slot LED ........................................................................................................................................................27
Table 6: System LED ...........................................................................................................................................................28
Table 7: Twisted Pair Cabling and Distances ......................................................................................................................46
Table 8: MDI Pin Signals - 10 or 100 Mbps .........................................................................................................................65
Table 9: MDI-X Pin Signals - 10 or 100 Mbps .....................................................................................................................65
Table 10: Pin Signals - 1000 Mbps ......................................................................................................................................66
Table 11: RJ-45 Style Serial Terminal Port Pin Signals ......................................................................................................67
9
Tables
10

Preface

This guide contains the installation instructions for the AT-GS950/8POE Gigabit Ethernet WebSmart Switch. This preface contains the following sections:
“Product Documentation” on page 12
“Starting a Management Session” on page 13
“Safety Symbols Used in this Document” on page 14
“Where to Find Web-based Guides” on page 15
“Contacting Allied Telesis” on page 16
11
Preface

Product Documentation

For overview information about the software features of the AT-GS950/ 8POE Gigabit Ethernet WebSmart Switch, refer to the AT-S101 Management Software User’s Guide (P/N 613-000985).
12

Starting a Management Session

For instructions that describe how to start a web management session on an AT-GS950/8POE switch, refer to the AT-S101 Management Software User’s Guide.
AT-GS950/8POE Gigabit Ethernet WebSmart Switch Installation Guide
13
Preface

Safety Symbols Used in this Document

This document uses the safety symbols defined in Table 1.
Table 1. Safety Symbols
Symbol Meaning Description
Caution Performing or omitting a specific action may
result in equipment damage or loss of data.
Warning Performing or omitting a specific action may
result in electrical shock.
14

Where to Find Web-based Guides

The installation and user guides for all Allied Telesis products are available in portable document format (PDF) on our web site at www.alliedtelesis.com. You can view the documents online or download them onto a local workstation or server.
AT-GS950/8POE Gigabit Ethernet WebSmart Switch Installation Guide
15
Preface

Contacting Allied Telesis

This section provides Allied Telesis contact information for technical support as well as sales and corporate information.

Online Support You can request technical support online by accessing the Allied Telesis

Knowledge Base: www.alliedtelesis.com/support/kb.aspx. You can use the Knowledge Base to submit questions to our technical support staff and review answers to previously asked questions.
Email and Telephone
Support

Warranty The AT-GS950/8POE Gigabit Ethernet WebSmart Switch is covered

Returning
Products
Sales or
Corporate
Information
Management
Software Updates
For Technical Support via email or telephone, refer to the Support section of the Allied Telesis web site: www.alliedtelesis.com.
under a Lifetime Warranty (Two Years Fan & Power Supply). For warranty information, go to the Allied Telesis web site at www.alliedtelesis.com.
Products for return or repair must first be assigned a return materials authorization (RMA) number. A product sent to Allied Telesis without an RMA number will be returned to the sender at the sender’s expense. For instructions on how to obtain an RMA number, go to the Support section on our web site at www.alliedtelesis.com/support.rma.aspx.
You can contact Allied Telesis for sales or corporate information through our web site at www.alliedtelesis.com.
New releases of the management software for our managed products are available from the following Internet sites:
16
Allied Telesis web site: www.alliedtelesis.com
Allied Telesis FTP server: ftp://ftp.alliedtelesis.com
If the FTP server prompts you to log on, enter “anonymous” as the user name and your email address as the password.

Chapter 1

Overview

This chapter describes the AT-GS950/8POE switch. This chapter contains the following sections:
“Introduction” on page 18
“10/100/1000Base-T Twisted Pair Ports” on page 20
“Power over Ethernet” on page 22
“Redundant Twisted Pair Ports” on page 24
“SFP Transceiver Slots” on page 25
“LEDs” on page 26
“Power Supply” on page 29
“Network Topologies” on page 30
Note
Before you begin the installation procedures in this guide, read the AT-S101 Management Software Release Notes that are included with the latest release of the software.
17
Chapter 1: Overview

Introduction

The AT-GS950/8POE switch features eight 10/100/1000Base-T auto­negotiation ports, including four ports with Power over Ethernet (PoE) capability, and two Gigabit ports. Figure 1 shows the front and back panels of the AT-GS950/8POE switch. This switch supports auto-negotiation and auto MDI/MDI-X on all local ports.
The AT-GS950/8POE switch is a WebSmart switch that is available through a remote-web-based management session with a factory installed IP address.
This switch can be installed on a desktop, in a rack, or mounted on a wall.
10/100/1000Base-T Ports
AT-GS950/8POE
POWERRESET
System
LED
8 Port 10/100/1000Mbps + 2 SFP Combo WebSmart Switch
1234567R 788R
PORT ACTIVITY
ACT
SFP
1000 LINK
100 LINK
POE
1 2 3 4 5 6 7R 8R
ACT
ACT
Port LEDs
Figure 1. AT-GS950/8 POE Switch— Front and Back Panels

Features The AT-GS950/8POE switch has the following features:

CLASS 1
LASER PRODUCT
100/1000Base-X
78
SFP SFP
1340
SFP Transceiver Slots
POWER
~
100-240VAC
1341
AC Power
Connector
18
Eight 10/100/1000Base-T auto-sensing, auto-MDIX switch ports with
PoE available on ports 1 through 4
Two Gigabit Ethernet small form-factor pluggable (SFP) transceiver
slots for combo ports that support 100/1000Mbps
User-defined PoE power on four PoE ports
AT-GS950/8POE Gigabit Ethernet WebSmart Switch Installation Guide
PoE feature conforms to IEEE802.3af Data Terminal Equipment (DTE)
Supports backpressure flow control at half-duplex and IEEE802.3x at
full-duplex
Head of Line (HOL) blocking prevention
Web management with a pre-assigned IP address of 192.168.1.1
Status LEDs for ports, transceiver slots, and system
19-inch rack mountable
Internal power supply
Fanless design
19
Chapter 1: Overview

10/100/1000Base-T Twisted Pair Ports

This section describes the twisted pair ports on the switches.

Connector Type The ports are 8-pin RJ-45 connectors that use four pins at 10 or 100 Mbps

and all eight pins at 1000 Mbps. For the pin assignments, refer to “RJ-45 Twisted Pair Port Pinouts” on page 65.

Speed A port’s speed can be 10, 100, or 1000 Mbps. The speed can be set

automatically through Auto-Negotiation, the default setting, or manually with the system software.
Note
To operate at 1000 Mbps, a twisted pair port must be set to Auto ­Negotiation. The speed of a twisted pair port cannot be set manually to 1000 Mbps.

Duplex Mode A twisted pair port can operate in either half- or full-duplex mode. (Full-

duplex mode is the only mode available when a port is operating at 1000 Mbps.) The twisted pair ports are IEEE 802.3u-compliant and Auto­Negotiate the duplex mode setting.
You can disable Auto-Negotiation on one or all of the switch ports so that you can set the duplex mode manually through the system software.
Note
For a port to successfully Auto-Negotiate its duplex mode with a 10 or 100 Mbps end node, the end node must be configured for Auto­Negotiation. Otherwise, a duplex mode mismatch can occur. A port using Auto-Negotiation defaults to half-duplex if it detects that the end node is not using Auto-Negotiation. This results in a mismatch if the end node is operating at a fixed duplex mode of full-duplex.
To avoid this problem when connecting an end node with a fixed duplex mode of full-duplex to a port, use the system software to disable Auto-Negotiation on the port and set the port speed and duplex mode manually.
20
Maximum
Distance
The ports have a maximum operating distance of 100 meters (328 feet).
AT-GS950/8POE Gigabit Ethernet WebSmart Switch Installation Guide

Cable Type The cabling requirements for a 10/100/1000Base-T port are:

For 10 Mbps operation: Standard TIA/EIA 568-B-compliant Category 3
or better shielded or unshielded cabling with 100 ohm impedance and a frequency of 16 MHz.
For 100 Mbps operation: Standard TIA/EIA 568-A-compliant Category
5 or TIA/EIA 568-B-compliant Enhanced Category 5 (Cat 5e) shielded or unshielded cabling with 100 ohm impedance and a frequency of 100 MHz.
For 1000 Mbps operation: Standard TIA/EIA 568-A-compliant
Category 5 or TIA/EIA 568-B-compliant Enhanced Category 5 (Cat 5e) shielded or unshielded cabling with 100 ohm impedance and a frequency of 100 MHz.
Auto-MDI/
MDI-X
The twisted pair ports on the switch are IEEE 802ab-compliant and feature auto-MDI/MDI-X. This feature, available when a port’s speed and duplex mode are set through Auto-Negotiation, automatically configures a switch port to MDI or MDI-X depending on the wiring configuration of the port on the end node. This feature allows you to connect any network device to a port on the switch using a straight-through twisted pair cable.
If Auto-Negotiation is disabled on a port and the speed and duplex mode are set manually, the auto-MDI/MDI-X feature is also disabled and the port’s wiring configuration defaults to the MDI-X setting. This setting can be configured with the system software.

Port Pinouts Refer to Table 8 on page 65 for the port pinouts when a twisted pair port

operates at 10 or 100 Mbps in the MDI configuration and Table 9 on page 65 for the MDI-X configuration. For port pinouts when a twisted pair port operates at 1000 Mbps, refer to Table 10 on page 66.
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