
ACCULINK 3172 and 3174 E1 DSU/CSU
2-6
March 1999
3170-A2-GB20-30
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.
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.
1
2
3
4
5
6
BLACK
RED
GREEN
WHITE
ORANGE
BLUE
– 48 VDC INPUT
99-14299-02
X
GROUND
DSU/CSU POWER
PLUG
TO CUSTOMER-SUPPLIED BATTERY
– 48 VDC RETURN
Figure 2-11. –
48 Vdc Single Source Power Supply Pinouts