Paradyne 3161-B3, 3165-A2, 3164-A2, 3160-A3 manual Installing the Redundant -48 Vdc Power Supply

2. Installation

Installing the Redundant –48 Vdc Power Supply

To install the DSU/CSU using a redundant –48 Vdc SELV power supply, refer to Figure 2-11,–48 Vdc Redundant Source Power Supply Pinouts, and use the following procedure.

Procedure

To install the redundant –48 Vdc power supply:

1.Connect the black wire to the –48 Vdc return source B.

2.Connect the red wire to the –48 Vdc return source A.

3.Connect the green wire to a suitable ground.

4.Connect the orange wire to the –48 Vdc input source B.

5.Connect the blue wire to the –48 Vdc input source A.

6.Cut the white wire off at the outer insulation.

7.Plug the power connector into the DSU/CSU.

DSU/CSU POWER
	PLUG		TO CUSTOMER-SUPPLIED BATTERY
		BLACK
	1			–48 VDC RETURN B
		RED
	2			–48 VDC RETURN A
		GREEN
	3			GROUND
		WHITE
	4		X
		ORANGE
	5			–48 VDC INPUT B
		BLUE
	6			–48 VDC INPUT A

99-14300-02

Figure 2-11. –48 Vdc Redundant Source Power Supply Pinouts

3160-A2-GB21-90 February 2001 2-7