Q
What are the power requirements for Cisco ASA 5500 series power supplies?
A
Cisco ASA 5500 power supplies require 100–240 VAC input at 50–60 Hz and deliver up to 350 W output, ensuring global compatibility and stable operation.
Q
Are ASA 5500 power supplies hot-swappable?
A
Yes, ASA 5500 models with dual-power slots support hot-swappable modules, allowing replacement without powering down the device for uninterrupted service.
Q
How do I choose a replacement power supply for my ASA 5500?
A
Match the Cisco part number and wattage rating of your existing ASA 5500 power supply, ensuring identical form factor and compatibility with your chassis model.
Q
What is the wattage rating of ASA 5500 power supplies?
A
ASA 5500 power supplies are rated at 350 W maximum, supporting full-load firewall, VPN, and IPS throughput for all models in the series.
Q
Do ASA 5500 power supplies support both AC and DC input?
A
Standard ASA 5500 power supplies accept 100–240 VAC only; DC-input options require Cisco-approved DC modules, available separately for specific deployments.
Q
How do I install a new power supply in an ASA 5500 chassis?
A
Power off the chassis (unless hot-swappable), slide the new ASA 5500 power module into the labeled slot, secure the captive screws, and reconnect the AC cord.
Q
Can I use third-party power supplies in ASA 5500 devices?
A
Cisco recommends using genuine ASA 5500 power supplies to maintain warranty support and ensure optimal electrical compatibility and safety certifications.
Q
What is the difference between single and redundant power supplies in ASA 5500?
A
Single-supply configurations rely on one module; redundant setups use dual modules for failover, providing uninterrupted operation if one supply fails.
Q
How do I verify if my ASA 5500 power supply is failing?
A
Monitor the Power LED status on the chassis: amber or off indicates failure. You can also view Cisco IOS output via \
Q
Is there a warranty on Cisco ASA 5500 power supplies?
A
Yes, Cisco offers a limited lifetime warranty on ASA 5500 power supplies when purchased through authorized channels, covering defects in materials and workmanship.
Q
Where can I buy genuine ASA 5500 power supplies?
A
Purchase through Cisco Authorized Partners or the Cisco online store to guarantee authenticity, warranty support, and compliance with Cisco quality standards.
Q
How do I configure high availability with dual power supplies in ASA 5500?
A
Install two identical ASA 5500 power modules, connect separate AC feeds, and enable redundant power in the ASA configuration to activate automatic failover.
Q
What safety precautions should I follow when replacing ASA 5500 power supplies?
A
Disconnect AC power, wear ESD protection, avoid shorting connectors, and install modules in a well-ventilated environment per Cisco safety guidelines.
Q
Can I mix different power supply models in an ASA 5500 chassis?
A
No, mixing power supply models or wattages can cause compatibility issues; always use identical Cisco ASA 5500 modules for redundancy and performance.
Q
How do I troubleshoot power supply fan noise in ASA 5500 units?
A
Ensure proper ventilation, clean dust from vents, verify firmware is up to date, and replace any failing fan-equipped power supply modules.
Q
Are replacement power supplies for ASA 5500 backward compatible with older ASA models?
A
ASA 5500 power modules are backward compatible only with ASA 5530 and later models; earlier ASA 500 series use a different form factor and part number.