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Cisco AS5350XM and Cisco AS5400XM Universal Gateways Card Installation Guide
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Chapter 2 Feature Card and Carrier Card Guidelines
Removing and Installing Populated Carrier Cards
Warning
Before working on a chassis or working near power supplies, unplug the power cord on AC units;
disconnect the power at the circuit breaker on DC units.
Statement 12
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
Warning
Before connecting or disconnecting ground or power wires to the chassis, ensure that power is
removed from the DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel
board that services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch
handle of the circuit breaker in the OFF position.
Statement 140
Caution Before you remove a carrier card, see Chapter 1, “Safety Warnings, Recommendations, and Tools
Required.”
Removing a Populated Carrier Card
Warning
Before opening the unit, disconnect the telephone-network cables to avoid contact with
telephone-network voltages.
Statement 1041
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity.
Statement 1001
To remove a populated carrier card, follow the steps below:
Step 1 Power down the chassis.
Step 2 Disconnect all interface cables from the universal gateway, and secure them out of the way.
Step 3 Loosen the two captive screws that secure the carrier card to the chassis until each screw is free of the
chassis. (See Figure 2-2 and Figure 2-3.)