Cisco AS5350 Installation Manual page 44

Supplying Power
Figure 3-20 DC Power Supply Connections—Redundant Power Supply
Note
Note
a. Strip off a quarter of an inch (1/4 in. [0.625 cm]) of insulation on the safety ground, +48 VDC, and
-48 VDC input wires.
b. Insert the safety ground (green wire) into the DC connector ground connector and tighten the
locking screws. Ensure that no bare wire is exposed.
Insert the 48 VDC Return wires into the DC connector positive connectors (+) and tighten the
c.
locking screws. Ensure that no bare wire is exposed.
Insert the -48 VDC wires into the DC connector negative connectors (-) and tighten the locking
d.
screws. Ensure that no bare wire is exposed.
Make sure that the power supply wires are secured to cable strain-relief clamps with cable ties.
e.
Cisco AS5350 Universal Gateway Chassis Installation Guide
3-18
To DC source
DC connector
A - A + B - B +
Source A - NEG
Source A - RTN
This product is intended for installation in restricted access areas and is approved for connection
using 12 or 14 AWG copper conductors only. The installation must comply with all applicable
codes.
If you are installing a redundant power supply, you should attach appropriate sized spade
terminals to the stripped ends of the ground and input wires.
Ground
Source B - RTN
Source B - NEG
Chapter 3 Installing the Cisco AS5350
Power switch
78-10754-03 0A