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Allied Telesis
Installation Guide and Troubleshooting for AT-8500 Series and Bogen TPU250
Models:
AT-8500 Series
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Specs
Install
Pin MDI Signal
Fault LED is On Continuously
Symbol Meaning Description
Warranty
Model Configurations
RPS Connector Port Pinouts
How to
Reviewing Safety Precautions
Page 1
Image 1
AT-8500
Series
Layer 2+ Fast
Ethernet Switches
AT-8516F/SC
AT-8524M
AT-8524POE
AT-8550GB
AT-8550SP
Installation Guide
613-000818
Rev. B
Page 2
Page 1
Image 1
Page 2
Contents
Installation Guide
Page
Electrical Safety and Emissions Standards
Translated Safety Statements
Contents
Page
Figures
Figures
Tables
Tables
Preface
Symbol Meaning Description
Safety Symbols Used in this Document
Where to Find Web-based Guides
Contacting Allied Telesis
Management Software Updates
Chapter
Overview
Model Configuration
Model Configurations
Port LEDs System LEDs
Model Descriptions
Shows the front and back panels of the AT-8524M switch
Shows the front and back panels of the AT-8524POE switch
Shows the front and back panels of the AT-8550GB switch
AT-8550SP Switch Front and Back Panels
10/100Base-TX Twisted Pair Ports
Port Descriptions
Maximum Distance
10/100/ 1000Base-T Twisted Pair Ports
100Base-FX Fiber Optic Ports
Type of Cable
Power Over Ethernet
Minimum Power Maximum Power Class
Gbic Module
Gbic and SFP Slots
Module Expansion Slots
LEDs
Twisted Pair Port LEDs LED Mode Select Button
State Description
Mode FDX OFF
Indicates that the port is operating at 10 or
Fiber Optic Port LEDs
Gbic and SFP Expansion Slot LEDs
Maste
RS-232 Terminal Port
Power Options and Connectors
AC Power Connector DC Power Connector
MAC Address Table Duplex Mode
Few Basics about Ethernet Switching
Back Pressure and Flow Control
Store Forward
Overview
Network Topologies
Power Workgroup Topology
Collapsed Backbone Topology
Mixed Topology
Mixed Topology
Overview
Installation
Reviewing Safety Precautions
Page
Installation
Selecting a Site for the Switch
Maximum
Planning the Installation
Model Speed Cable Type
Maximum
Unpacking the Switch
Installing the Switch in a Rack
Installation
Page
Removing the Expansion Slot Faceplate
Installing an Optional Expansion or Stacking Module
AT-A46
Installing an Optional Gbic
Ferrules of the optical connector Bore
Installing an Optional SFP Transceiver
Page
Cabling Twisted Pair Ports
Cabling the Switch
Cabling Fiber Optic Ports
SC Port Transmitter Fiber Connector
Cabling Expansion Modules
Powering on an AC Powered Switch
Page
Positive, Ground, and Negative Terminals
Wiring and Powering on an DC Powered Unit
8mm ±1mm 31in. ±0.039in
Installation
Starting a Local Management Session
Installation
Warranty Registration
Installation
Twisted Pair Port Link LED is Off
PWR LED is Off
Fiber Optic Port Link LED is Off
Fault LED is On Continuously
PoE Device is Not Receiving Power
Cannot Establish a Local Management Session
Environmental Specifications
Physical Specifications
Appendix a
Safety and Electromagnetic Emissions Certifications
Power Specifications
Signal
Pin MDI Signal
Pin MDI Signal MDI-X Signal
RJ-45 Twisted Pair Port Pinouts
Unused RX- and Vport-2 TX- and Vport-2
MDI Configuration MDI-X Configuration Pinout Pair
AT-8516F/SC Fiber Optic Port Specifications
RS-232 Terminal Port Pinouts
Pin Signal
Pin Definition
RPS Connector Port Pinouts
Pin
3V RS
13 3.3V RS+
Dual SC Type Connector
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