5902 Bell 202 Modem Hardware Manual
October 19, 2007
2
Table of Contents
1
OVERVIEW .................................................................................................... 5
2
INDUSTRY CANADA CERTIFICATION ........................................................ 6
3
IMPORTANT SAFETY INFORMATION ......................................................... 8
4
INSTALLATION ............................................................................................. 9
4.1
Connecting the Modem .................................................................................. 9
4.2
Field Wiring .................................................................................................. 10
4.2.1
RS-232 Serial Port .................................................................................. 10
4.2.2
Terminal Block ........................................................................................ 12
4.2.3
RJ-45 Modular Jack ................................................................................ 12
4.3
Connecting to Dedicated Lines .................................................................... 12
4.3.1
Four wire mode ....................................................................................... 12
4.3.2
Two wire mode ....................................................................................... 13
4.4
Connecting to a Radio ................................................................................. 16
4.4.1
Modem Transmitter Output ..................................................................... 16
4.4.2
Modem Receiver Input ............................................................................ 16
4.4.3
Key Output .............................................................................................. 16
4.4.4
Radio Carrier Detect Input ...................................................................... 16
4.4.5
Wiring Diagrams ..................................................................................... 16
4.5
Configuration Switches ................................................................................ 18
4.5.1
RTS/CTS Delay ...................................................................................... 18
4.5.2
Carrier Detect Delay ............................................................................... 19
4.5.3
Carrier Loss Delay .................................................................................. 19
4.5.4
Anti-Streaming ........................................................................................ 20
4.5.5
Soft Carrier Turn-off ................................................................................ 20
4.5.6
Clear-to-Send Hold Time ........................................................................ 21
4.5.7
Radio Carrier Detect ............................................................................... 21
4.5.8
Duplex .................................................................................................... 22
4.5.9
Test Mode Selection ............................................................................... 22
5
OPERATION ................................................................................................ 23
5.1
Full Duplex ................................................................................................... 23
