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Contents
About this guide
.....................................................................................................................................................5
Audience................................................................................................................................................................. 5
Structure................................................................................................................................................................. 5
Precautions ............................................................................................................................................................. 6
Typographical conventions used in this document.................................................................................................. 6
General conventions .........................................................................................................................................6
Mouse conventions ...........................................................................................................................................7
Compliance Information
.......................................................................................................................................9
Radio and TV Interference ..................................................................................................................................... 9
Industry Canada Notice.......................................................................................................................................... 9
FCC Information ................................................................................................................................................... 9
FCC Part 68 Compliance Statement .................................................................................................................... 10
CE Notice ............................................................................................................................................................ 10
1 Introduction ................................................................................................................................................. 11
Model 3120 Remote Access Server overview..........................................................................................................12
Hardware overview................................................................................................................................................13
WAN ..............................................................................................................................................................13
LAN ...............................................................................................................................................................13
Signaling .........................................................................................................................................................14
Modems ..........................................................................................................................................................14
RS-232 control port ........................................................................................................................................14
Power system ..................................................................................................................................................14
Central processing unit ...................................................................................................................................14
Temperature ...................................................................................................................................................14
Altitude ...........................................................................................................................................................14
Humidity ........................................................................................................................................................14
Physical dimensions ........................................................................................................................................15
Security ...........................................................................................................................................................15
Management services ......................................................................................................................................15
LED display ....................................................................................................................................................16
Approvals ..............................................................................................................................................................17
Software overview..................................................................................................................................................18
2 Hardware installation.................................................................................................................................... 19
Introduction..........................................................................................................................................................20
Unpacking the Model 3120 RAS...........................................................................................................................20
RAS chassis installation..........................................................................................................................................20
Cable installation...................................................................................................................................................21
Installing the power cables—AC power supply ...............................................................................................21
Installing the power cables—DC Power Supply ..............................................................................................22
Grounding the Model 3120—AC and DC Power Supplies ............................................................................23