2. Installation
3160-A2-GB24-10 March 2001 2-7
Installing the Single 48 Vdc Power Supply
To install the Model 3164 DSU/CSU using a single source 48 Vdc SELV power
supply, refer to Figure 2-9, 48 Vdc Single Source Power Supply Pinouts, and use
the following procedure.
Procedure
To install the 48 Vdc single source power supply:
1. Connect the black and red wires to the 48 Vdc return source.
2. Connect the green w ire to a suitable ground.
3. Connect the orange and blue wires to the 48 Vdc input source.
4. Cut the white wi re off at the outer insulation.
5. Plug the power connec tor into the DSU/CSU.
Figure 2-9. 48 Vdc Single Source Power Supply Pinouts
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