3-7

Cisco CGS 2520 Hardware Installation Guide
OL-31444-01
Chapter 3 Power Supply Installation
Power Supply Module Installation
Figure 3-8 Insert the Power Supply Module
Step 4 Use a ratcheting torque screwdriver to torque each screw to 8–10 in-lb.
Wiring the Power Source

Before you wire the power source, review the warnings in this section:

Warning
This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that
the protective device is rated not greater than:
AC: 5 A, DC: 15 A
Statement 1005
Warning
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.
Statement 1022
Warning
Only trained and qualified personnel should be allowed to install or replace this equipment.
Statement 1030
Warning
Hazardous voltage or energy may be present on power terminals. Always replace cover when
terminals are not in service. Be sure uninsulated conductors are not accessible when cover is in
place.
Statement 1086
Step 1 Locate the AC and DC circuit breakers, turn them OFF, and tape them in the OFF position.
Note Do not connect the switch to a power source that has an ON/OFF switch.
Step 2 Use a Phillips screwdriver to loosen the captive screw on the power-input terminal, and open the cover.
207233