Paradyne 3350 User Manual page 18

Installing the Single – 48 Vdc Power Supply
To install the E1 NTU using a single source – 48 Vdc
power supply, refer to Figure 2-8 and use the following
procedure.
To install the – 48 Vdc single source power supply,
1. Connect the black and red wires to the – 48 Vdc
return source.
NTU POWER
PLUG
Figure 2-8. – 48 Vdc Single Source Power Supply Pinouts
3350-A2-GB20-10
BLACK
1
RED
2
GREEN
3
WHITE
X
4
ORANGE
5
BLUE
6
CABLE NUMBER 3100-F1-520
June 1996
2. Connect the green wire to a suitable earth 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 NTU.
TO CUSTOMER-SUPPLIED BATTERY
–48 VDC RETURN
EARTH GROUND
–48 VDC INPUT
Installation
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