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Chapter 1
Introduction
Chapter contents
Model 3125 Remote Access Server overview..........................................................................................................16
Hardware overview................................................................................................................................................18
WAN ..............................................................................................................................................................18
LAN ...............................................................................................................................................................19
Signaling .........................................................................................................................................................19
Modems ..........................................................................................................................................................19
RS-232 control port ........................................................................................................................................19
Power system ..................................................................................................................................................19
Central processing unit ...................................................................................................................................19
Temperature ...................................................................................................................................................19
Altitude ...........................................................................................................................................................19
Humidity ........................................................................................................................................................19
Physical dimensions ........................................................................................................................................20
3125RC Resource Card ............................................................................................................................20
3125TM Transition Module .....................................................................................................................21
Security ...........................................................................................................................................................21
Management services ......................................................................................................................................21
LED display ....................................................................................................................................................22
Approvals ..............................................................................................................................................................23
Software overview..................................................................................................................................................24