Allied Telesis AT-8550SP - Manual (Page 5)

5
Contents
Preface ................................................................................................................................................................................11
Safety Symbols Used in this Document................................................................................................................................12
Where to Find Web-based Guides .......................................................................................................................................13
Contacting Allied Telesis ......................................................................................................................................................14
Online Support ..............................................................................................................................................................14
Email and Telephone Support.......................................................................................................................................14
Returning Products........................................................................................................................................................14
For Sales or Corporate Information...............................................................................................................................14
Warranty ........................................................................................................................................................................14
Management Software Updates ....................................................................................................................................14
Chapter 1: Overview ..........................................................................................................................................................15
Model Configurations............................................................................................................................................................16
Model Descriptions ...............................................................................................................................................................17
AT-8516F/SC ................................................................................................................................................................17
AT-8524M......................................................................................................................................................................18
AT-8524POE .................................................................................................................................................................19
AT-8550GB ...................................................................................................................................................................20
AT-8550SP....................................................................................................................................................................21
Port Descriptions ..................................................................................................................................................................22
10/100Base-TX Twisted Pair Ports ...............................................................................................................................22
10/100/1000Base-T Twisted Pair Ports.........................................................................................................................24
100Base-FX Fiber Optic Ports ......................................................................................................................................25
Power Over Ethernet ............................................................................................................................................................27
Power Budgeting ...........................................................................................................................................................27
Implementation..............................................................................................................................................................28
GBIC and SFP Slots .............................................................................................................................................................29
Module Expansion Slots .......................................................................................................................................................30
LEDs.....................................................................................................................................................................................31
Twisted Pair Port LEDs and the LED Mode Select Button ............................................................................................31
Fiber Optic Port LEDs ...................................................................................................................................................34
GBIC and SFP Expansion Slot LEDs ............................................................................................................................35
System LEDs.................................................................................................................................................................36
RS-232 Terminal Port...........................................................................................................................................................37
Power Options and Connectors............................................................................................................................................38
RPS Connector .............................................................................................................................................................38
AC Power Connector.....................................................................................................................................................39
DC Power Connector ....................................................................................................................................................39
A Few Basics about Ethernet Switching...............................................................................................................................40
MAC Address Table ......................................................................................................................................................40
Duplex Mode .................................................................................................................................................................40
Store and Forward.........................................................................................................................................................41
Back Pressure and Flow Control...................................................................................................................................41
Network Topologies..............................................................................................................................................................43
Power Workgroup Topology ..........................................................................................................................................43
Collapsed Backbone Topology......................................................................................................................................43
Mixed Topology .............................................................................................................................................................44
Chapter 2: Installation .......................................................................................................................................................47
Reviewing Safety Precautions..............................................................................................................................................48