Paradyne 336x E1 manual Installing the Redundant ±
48 Vdc Power Supply

Installation

Installing the Redundant ±
48 Vdc Power

Supply

To install the E1 NTU using a redundant ± 48 Vdc power supply, refer to Figure 2-11and use the following 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 earth 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 E1 NTU.

NTU POWER
PLUG			TO CUSTOMER-SUPPLIED BATTERY
		BLACK
	1			– 48 VDC RETURN B
		RED
	2			– 48 VDC RETURN A
		GREEN
	3			EARTH GROUND
		WHITE
	4		X
		ORANGE
	5			– 48 VDC INPUT B
		BLUE
	6			– 48 VDC INPUT A
		CABLE NUMBER 3100-F1-520
			495-14745

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

3360-A2-GB20-20 December 1996 2-7