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Allied Telesis
AT-8500 Series
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90 pages, 1.96 Mb
Chapter 1: Overview
46
Contents
Main
Installation Guide
Page
Electrical Safety and Emissions Standards
Page
Contents
Page
Figures
Page
Tables
Page
Preface
Safety Symbols Used in this Document
Page
Contacting Allied Telesis
Chapter 1
Overview
Model Configurations
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide
17
Model Descriptions
100-240VAC
AT-8516F/SC
Module Expansion Slots 100Base-FX Ports Terminal Port
RS-232
AT-8524M
AT-8524POE
AT-8550GB
AT-8550SP
Port Descriptions
10/100Base-TX Twisted Pair Ports
Maximum Distance
Type of Cabling
Auto-MDI/MDI-X
Port Pinouts
10/100/ 1000Base-T Twisted Pair Ports
Auto-MDI/MDI-X
Port Pinouts
100Base-FX Fiber Optic Ports
Page
Power Over Ethernet
Power Budgeting
Implementation
GBIC and SFP Slots
Module Expansion Slots
LEDs
Twisted Pair Port LEDs and the LED Mode Select Button
Page
Page
Fiber Optic Port LEDs
GBIC and SFP Expansion Slot LEDs
System LEDs
RS-232 Terminal Port
Power Options and Connectors
RPS Connector
Page
A Few Basics about Ethernet Switching
MAC Address Table
Duplex Mode
Store and Forward
Back Pressure and Flow Control
Page
Network Topologies
Figure 10. Collapsed Backbone Topology
Mixed Topology
Page
Page
Chapter 2
Installation
Reviewing Safety Precautions
Page
Page
Selecting a Site for the Switch
Planning the Installation
Page
Unpacking the Switch
Installing the Switch in a Rack
Page
Page
Installing an Optional Expansion or Stacking Module
Page
Installing an Optional GBIC
Page
Installing an Optional SFP Transceiver
Page
Cabling the Switch
Cabling Twisted Pair Ports
Cabling Fiber Optic Ports
Page
Cabling Expansion Modules
Powering on an AC Powered Switch
Page
Wiring and Powering on an DC Powered Unit
Page
Page
Starting a Local Management Session
Page
Page
Page
Chapter 3
Troubleshooting
PWR LED is Off
Twisted Pair Port Link LED is Off
Fiber Optic Port Link LED is Off
PoE Device is Not Receiving Power
Fault LED is On Continuously
Cannot Establish a Local Management Session
Appendix A
Technical Specifications
Physical Specifications
Environmental Specifications
Power Specifications
Safety and Electromagnetic Emissions Certifications
RJ-45 Twisted Pair Port Pinouts
Page
AT-8516F/SC Fiber Optic Port Specifications
RS-232 Terminal Port Pinouts
RPS Connector Port Pinouts
12 3.3V RS-