Allied Telesis AT-GS900-8PS, 8PS User Manual
AT-GS900/8PS
Gigabit Ethernet POE+ Switch
AT-GS900/8PS Installation Guide
PN 613-001687 Rev. A
Copyright © 2012 Allied Telesis, Inc.
All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesis,
Inc.
Allied Telesis and the Allied Telesis logo are trademarks of Allied Telesis, Incorporated. All other product names,
company names, logos or other designations mentioned herein are trademarks or registered trademarks of their respective
owners.
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 meets all requirements of the Canadian Interference-Causing Equipment Regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada.
RFI Emissions FCC Part 15 Class A
CISPR 22 Class A
EN55022:2006/A:2007 Class A
Warning: In a domestic environment this product may cause radio interference in
which case the user may be required to take adequate measures.
Immunity EN55024
Electrical Safety EN60950 (TUV)
T-Mark
UL 60950 (CULUS)
C-TICK
CE
Environmental Compliance
EU-RoHS compliant
WEEE
China RoHS compliant
3
Translated Safety Statements
Important: The indicates that a translation of the safety statement is available in a PDF
document titled “Translated Safety Statements” posted on the Allied Telesis website at
www.alliedtelesis.com.
4
Contents
Preface ................................................................................................................................................................................11
Symbol Conventions .....................................................................................................................................................12
Contacting Allied Telesis ...............................................................................................................................................13
Chapter 1: Overview ..........................................................................................................................................................15
Features ........................................................................................................................................................................16
General ..................................................................................................................................................................16
Twisted Pair Ports ..................................................................................................................................................16
LEDs ......................................................................................................................................................................16
PoE Ports ...............................................................................................................................................................16
SFP Slots ...............................................................................................................................................................16
Power over Ethernet ..............................................................................................................................................17
Installation Options.................................................................................................................................................17
Power Conservation...............................................................................................................................................17
MAC Address Table ...............................................................................................................................................17
Dimensions ............................................................................................................................................................17
Operating Conditions .............................................................................................................................................17
Front and Back Panels ..................................................................................................................................................18
Twisted Pair Ports .........................................................................................................................................................19
Cable Specifications...............................................................................................................................................19
MDI/MDI-X Mode ...................................................................................................................................................19
Auto-Negotiation Mode ..........................................................................................................................................20
Flow Control and Back Pressure............................................................................................................................20
SFP Port........................................................................................................................................................................21
LEDs..............................................................................................................................................................................22
Power Over Ethernet.....................................................................................................................................................25
PoE Standards .......................................................................................................................................................25
PoE Powered Device Classes ...............................................................................................................................26
PoE Power Budget.................................................................................................................................................26
PoE Port Prioritization ............................................................................................................................................27
PoE Guard Band ....................................................................................................................................................27
Exceeding PoE Power Budget ...............................................................................................................................27
Wiring Implementation ...........................................................................................................................................29
Power Supply ................................................................................................................................................................30
Chapter 2: Installation .......................................................................................................................................................31
Reviewing Safety Precautions.......................................................................................................................................32
Selecting a Site for the Switch.......................................................................................................................................34
Unpacking the Switch....................................................................................................................................................35
Installing the Switch on a Desktop .............................................................................................
Installing the Switch in an Equipment Rack...................................................................................................................38
Installing the Switch on a Wall.......................................................................................................................................40
Installing Optional SFP Transceiver ..............................................................................................................................43
Cabling the Switch.........................................................................................................................................................45
Powering On the Switch ................................................................................................................................................46
Chapter 3: Troubleshooting ..............................................................................................................................................47
Power LED OFF ............................................................................................................................................................47
Twisted Pair Port LINK/ACT LED Off............................................................................................................................47
SFP Port LINK/ACT LED Off.........................................................................................................................................48
...................................37
5
Contents
Slow Network Performance ...........................................................................................................................................49
LINK/ACT LED Intermittently Blinking ...........................................................................................................................49
Powered Device Not Receiving Power ..........................................................................................................................50
Resetting Blinking PoE Port LED...................................................................................................................................51
Appendix A: Technical Specifications .............................................................................................................................53
Physical Specifications ..................................................................................................................................................53
Environmental Specifications.........................................................................................................................................53
Power Specifications .....................................................................................................................................................53
PoE Specifications.........................................................................................................................................................54
Safety and Electromagnetic Emissions Certifications....................................................................................................54
Connectors and Port Pinouts.........................................................................................................................................55
6
Figures
Figure 1. AT-GS900/8PS Front Panel .................................................................................................................................18
Figure 2. Back Panel ...........................................................................................................................................................18
Figure 3. AT-GS900/8PS LEDs...........................................................................................................................................22
Figure 4. AT-GS900/8PS Switch Items ...............................................................................................................................36
Figure 5. Attaching the Rubber Feet ...................................................................................................................................37
Figure 6. Attaching the Rack-Mount Brackets to the Switch................................................................................................38
Figure 7. Mounting the Switch in an Equipment Rack .........................................................................................................39
Figure 8. Attaching the Brackets to Install the Switch on a Wall..........................................................................................40
Figure 9. Marking the Screw Hole Locations.......................................................................................................................41
Figure 10. Securing the Switch to the Wall..........................................................................................................................42
Figure 11. Removing the Dust Plug from an SFP Slot ........................................................................................................43
Figure 12. Inserting the SFP................................................................................................................................................44
Figure 13. Plugging in the AC Power Cord..........................................................................................................................46
Figure 14. RJ-45 Connector and Port Pin Layout................................................................................................................55
7
Figures
8
Tables
Table 1. Twisted Pair Cable Specifications for the AT-GS900/8PS ...................................................................................19
Table 2. System LED ..........................................................................................................................................................22
Table 3. Power over Ethernet LEDs ...................................................................................................................................22
Table 4. 10/100/1000Base-T Port LEDs .............................................................................................................................23
Table 5. SFP Slot LEDs ......................................................................................................................................................24
Table 6. IEEE Powered Device Classes .............................................................................................................................26
Table 7. Physical Specifications .........................................................................................................................................53
Table 8. Environmental Specifications ................................................................................................................................53
Table 9. Power Specifications ............................................................................................................................................53
Table 10. PoE Specifications ..............................................................................................................................................54
Table 11. Safety and Electromagnetic Emissions Certifications .........................................................................................54
Table 12. MDI Pin Signals (10Base-T or 100Base-TX) ......................................................................................................55
Table 13. MDI-X Pin Signals (10Base-T or 100Base-TX) ..................................................................................................55
Table 14. RJ-45 1000Base-T Connector Pinouts ...............................................................................................................56
9
Tables
10
Preface
This guide contains the installation instructions for the AT-GS900/8PS
Gigabit Ethernet POE+ Switch. This preface contains the following
sections:
“Symbol Conventions” on page 12
“Contacting Allied Telesis” on page 13
11
Preface
Note
Caution
Warning
Warning
Symbol Conventions
This document uses the following conventions:
Notes provide additional information.
Cautions inform you that performing or omitting a specific action
may result in equipment damage or loss of data.
Warnings inform you that performing or omitting a specific action
may result in bodily injury.
Warnings inform you that an eye and skin hazard exists due to the
presence of a Class 1 laser device.
12
Contacting Allied Telesis
If you need assistance with this product, you may contact Allied Telesis
technical support by going to the Support & Services section of the Allied
Telesis web site at www.alliedtelesis.com/support. You can find links for
the following services on this page:
24/7 Online Support - Enter our interactive support center to
search for answers to your questions in our knowledge database,
check support tickets, learn about RMAs, and contact Allied
Telesis technical experts.
USA and EMEA phone support - Select the phone number that
best fits your location and customer type.
Hardware warranty information - Learn about Allied Telesis
warranties and register your product online.
Replacement Services - Submit a Return Merchandise
Authorization (RMA) request via our interactive support center.
AT-GS900/8PS Switch Installation Guide
Documentation - View the most recent installation guides, user
guides, software release notes, white papers and data sheets for
your product.
Software Updates - Download the latest software releases for your
product.
For sales or corporate contact information, go to
www.alliedtelesis.com/purchase and select your region.
13
Preface
14
Chapter 1
Overview
This chapter describes the AT-GS900/8PS Layer 2 Gigabit Ethernet
Switch. The sections in the chapter are.
“Features” on page 16
“Front and Back Panels” on page 18
“Twisted Pair Ports” on page 19
“SFP Port” on page 21
“LEDs” on page 22
“Power Over Ethernet” on page 25
“Power Supply” on page 30
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Chapter 1: Overview
Note
Features
Here are the hardware features of the AT-GS900/8PS Gigabit Ethernet
Switch.
General Supports 18 Gbps non-blocking switch fabric
Transparent to VLAN packets
Support for jumbo frames up to 9216 bytes at 100% forwarding
rate
Twisted Pair
Ports
8 ports
10Base-TX, 100Base-T and 1000Base-T compliant
IEEE 802.3u Auto-Negotiation compliant
Auto-MDI/MDIX
RJ-45 connectors
100 meters (328 feet) maximum operating distance
IEEE 802.3x flow control in 10/100Base-TX full-duplex operation
IEEE 802.3x back pressure in 10/100Base-TX half-duplex
operation
IEEE803.3z 1000Base-T flow control
LEDs Speed and link/activity LEDs for the twisted pair ports
Link/activity LEDs for the SFP slots
PoE and PoE Limit LEDs
Power LED
PoE Ports PoE support for ports 1 - 4
Class 3 (IEEE 802 af) supported on four ports
Class 4 (IEEE 802 at) supported on two ports
SFP Slots One SFP slot
Support 1000Base-SX/LX transceivers
SFP transceivers must be purchased separately. For a list of
supported transceivers, contact your Allied Telesis distributor or
reseller.
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AT-GS900/8PS Switch Installation Guide
Power over
Ethernet
Installation
Options
Power
Conservation
MAC Address
Table
PoE and PoE+ supported on the 10/100/1000Base-T ports 1 - 4 on
the AT-GS900/8PS switch
Supports powered device classes 0 through 4
Max power limit of 75 watts for the switch
Max power limit of 30 watts per port
Port prioritization
Alternative A Mode
19-inch equipment rack
Desk or tabletop
Wall
High-efficiency internal power supply
Power scaling based on traffic loads on ports operating at 1000
Mbps and cable length (port power scaling not available at 10 or
100 Mbps)
Power shutdown/sleep mode on unconnected ports
Up to 8 KB
Automatic learning and aging
Dimensions Width - 280 mm (11.0 in), Depth - 180 mm (7.1 in), Height - 44 mm
(1.7 in)
Operating
Conditions
Operating temperature range of 0° C to 40° C (32° F to 104° F)
Operating humidity range of 5% to 90% non-condensing
Storage humidity range of 5% to 95% non-condensing
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