Cisco Systems AS5350XM manual DC Power Supply Connections-Redundant Power Supply

Chapter 3 Installing the Cisco AS5350XM Universal Gateway

Supplying Power

Figure 3-19 DC Power Supply Connections—Redundant Power Supply

To DC source

DC connector Power switch

Source A - NEG

82637

Ground

Source A - RTNSource B - RTN

Source B - NEG

Caution Do not overtorque the terminal block contact screws. The recommended torque is 4.5 lb-in (0.50 N-m).

Step 3 Insert the safety ground (green wire) into the DC connector ground connector and tighten the locking screws. Ensure that no bare wire is exposed.

Step 4 Insert the 48 VDC Return wires into the DC connector positive connectors (+) and tighten the locking screws. Ensure that no bare wire is exposed.

Step 5 Insert the –48 VDC wires into the DC connector negative connectors (–) and tighten the locking screws. Ensure that no bare wire is exposed.

Step 6 Make sure that the power supply wires are secured to cable strain-relief clamps with cable ties.

Warning After wiring the DC power supply, remove the tape from the circuit breaker switch handle and reinstate power by moving the handle of the circuit breaker to the ON position. Statement 8

Step 7 Power up the universal gateway.

The internal power supply fan should power up.

Cisco AS5350XM Universal Gateway Chassis Installation Guide

OL-6417-02 3-17