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Connecting Cables to the Model 3910 Modems
Figure 2-1 shows how Model 3910 modems are connected to certain TELCO jack types using the
appropriate cables. For pin assignments, refer to Appendix C, Pin Assignments.
8-POSITION,
8-CONDUCTOR
LEASED-LINE
OPERATION
3910-A2-GN32-40
DTE 2
LEASED DIAL
PLUG FOR
DB-25-P
CONNECTOR
NETWORK
FOR DATA
TERMINAL
EQUIPMENT
OPERATION
6-POSITION,
4-CONDUCTOR
PLUG FOR
PERMISSIVE
DIAL NETWORK
OPERATION
NOTE:
THE DIAL JACK IS ALSO USED
FOR 2-WIRE LEASED BACKUP.
Figure 2-1. Model 3910 Rear Panel and Power Supply
September 1998
DTE 3
DTE 4
DTE 1
NMS
PWR
SUB-MINIATURE,
4-CONDUCTOR
PLUG FOR
NETWORK
MANAGEMENT
OPERATION
POWER
SUPPLY
Modem Installation
ON OFF
2-3
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