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Replacing a Lithium Battery
Replacing a Lithium Battery
The PIX security appliance has a lithium battery on its main circuit board. This battery has an operating
life of about ten years. When the battery loses its charge, the PIX security appliance cannot function.
The lithium battery is not a field-replacable unit (FRU). Contact Cisco TAC to replace the battery.
Do not attempt to replace this battery yourself.
Note
Danger of explosion exists if the lithium battery is incorrectly replaced. Replace only with the same
Warning
or equivalent type recommended by the manufacturer. Dispose of used batteries according to the
manufacturer's instructions.
Installing a Memory Upgrade
Observe the following warnings, cautions, and notes when installing additional PIX security appliance
system memory.
The following statement applies to DC models:
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.
The following statement applies to both AC and DC models:
Before working on a system that has an On/Off switch, turn OFF the power and unplug the power cord.
Warning
Caution
Always remove old memory before installing new memory.
If you remove the PIX security appliance chassis cover, always reinstall the cover. Running the PIX security
Caution
appliance without the chassis cover causes overheating and damage to electrical components.
Memory Installation Steps
To install additional system memory, perform the following steps:
If the unit is rack-mounted, remove network wires and any cords connecting to the PIX security
Step 1
appliance. Ensure that the unit is unplugged from its power source.
Unpack the items in the memory upgrade kit.
Step 2
Cisco PIX Security Appliance Hardware Installation Guide
6-12
Chapter 6
PIX 525
78-15170-02
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