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February 2002 3920-A2-GK47-10
Model 3920Plus Input Voltage Requirements
The power supply used with model number 3920-A2-201 is a wall-mount transformer designed for 110 vac.
Additional models are available for other voltages and plug types.
Use only the power supply included with your modem.
Connecting Cables to the Model 3920Plus Modem
Figure 2 illustrates the Model 3920Plus modem cable connections. For pin assignments, refer to Appendix C in
the Technical Reference Manual.
97-14677-01
DB-25-P
CONNECTOR
FOR DATA
TERMINAL
EQUIPMENT
OPERATION
SUB-MINIATURE
4-POSITION
PLUG FOR
NETWORK
MANAGEMENT
SYSTEM
OPERATION
POWER
SUPPLY
6-POSITION PLUG
FOR PERMISSIVE
DIAL NETWORK
OPERATION
8-POSITION
PLUG FOR
LEASED-LINE
NETWORK
OPERATION
OFF
DIAL
LEASED
DTE 1
NMS
PWR ON
Figure 2. Model 3920Plus Back Panel and Power Supply
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