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Allied Telesis AT-FS708 CentreCOM User Manual

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Chapter 3

Troubleshooting ........................................................................................... 15
Connectivity Testing......................................................................................... 15
Problem Solving ................................................................................................ 16

Is the Unit Receiving Power?.................................................................... 16
Is the Link/Activity LED Lit? ................................................................... 16

Appendix A

Switch Specifications .................................................................................. 19
Physical Characteristics................................................................................... 19
Standards .......................................................................................................... 19
Cabling Specifications ...................................................................................... 20
Electrical Specifications ................................................................................... 20
UTP (RJ-45) Connector .................................................................................... 20
Low Last Bit-to-First Delay ............................................................................. 20
Network Specifications..................................................................................... 21
100Base-TX Cable............................................................................................. 21
100Base-TX Connector Pinouts ....................................................................... 22

Straight-through Cable ............................................................................. 22
Crossover Cable ......................................................................................... 22

Appendix B

Translated Safety and Emission Information ....................................... 23

Appendix C

Technical Support Fax Order ................................................................... 37
Incident Summary ............................................................................................ 37

Appendix D

AT-FS708 and AT-FS708E Switches Installation Feedback ............... 39