Paradyne 3350 User Manual page 19

ACCULINK 3350 E1 NTU
Installing the Redundant – 48 Vdc Power
Supply
To install the E1 NTU using a redundant – 48 Vdc
power supply, refer to Figure 2-9 and 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.
NTU POWER
PLUG
Figure 2-9. – 48 Vdc Redundant Source Power Supply Pinouts
2-6
BLACK
1
RED
2
GREEN
3
WHITE
4
ORANGE
5
BLUE
6
CABLE NUMBER 3100-F1-520
June 1996
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.
TO CUSTOMER-SUPPLIED BATTERY
– 48 VDC RETURN B
– 48 VDC RETURN A
EARTH GROUND
X
– 48 VDC INPUT B
– 48 VDC INPUT A
495-14745
3350-A2-GB20-10