Paradyne 3172 Operator's Manual page 22

ACCULINK 3172 and 3174 E1 DSU/CSU
Installing the Single –48 Vdc Power Supply
To install the E1 DSU/CSU using a single source
– 48 Vdc power supply, refer to Figure 2-11 and use the
following procedure.
To install the – 48 Vdc single source power supply:
"
Procedure
1. Connect the black and red wires to the – 48 Vdc
return source.
DSU/CSU POWER
Figure 2-11. – 48 Vdc Single Source Power Supply Pinouts
2-6
PLUG
BLACK
1
RED
2
GREEN
3
WHITE
4
ORANGE
5
BLUE
6
2. Connect the green wire to a suitable ground.
3. Connect the orange and blue wires to the –48 Vdc
input source.
4. Cut the white wire off at the outer insulation.
5. Plug the power connector into the E1 DSU/CSU.
TO CUSTOMER-SUPPLIED BATTERY
–48 VDC RETURN
GROUND
X
–48 VDC INPUT
March 1999
99-14299-02
3170-A2-GB20-30