B-8
Cisco ASA 5500 Series Hardware Installation Guide
OL-10089-01
Appendix B Maintenance and Upgrade Procedures
Installing the DC Model
Installing the DC Model
Warning
Before performing any of the following procedures, 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 7
Note The DC return connection should remain isolated from the system frame and chassis (DC-I). This
equipment is suitable for connection to intra-building wiring only.
To install the DC power model, perform the following steps:
Step 1 Read the Regulatory Compliance and Safety Information for the Cisco ASA 5500 Series document.
Step 2 Terminate the DC input wiring on a DC source capable of supplying at least 15 amps. A 15-amp circuit
breaker is required at the 48 VDC facility power source. An easily accessible disconnect device should
be incorporated into the facility wiring.
Step 3 Locate the DC-input terminal box, see Figure B-9.
Figure B-9 DC-Input Terminal Box
Step 4
Power off the adaptive security appliance. 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.
Step 5 Remove the DC power supply plastic shield.
1 Negative 3 Ground
2 Positive 4 On/Off Switch
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