Question 1

What are the power requirements for Cisco ASA 5500 series power supplies?

Accepted Answer

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.

Question 2

Are ASA 5500 power supplies hot-swappable?

Accepted Answer

Yes, ASA 5500 models with dual-power slots support hot-swappable modules, allowing replacement without powering down the device for uninterrupted service.

Question 3

How do I choose a replacement power supply for my ASA 5500?

Accepted Answer

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.

Question 4

What is the wattage rating of ASA 5500 power supplies?

Accepted Answer

ASA 5500 power supplies are rated at 350 W maximum, supporting full-load firewall, VPN, and IPS throughput for all models in the series.

Question 5

Do ASA 5500 power supplies support both AC and DC input?

Accepted Answer

Standard ASA 5500 power supplies accept 100–240 VAC only; DC-input options require Cisco-approved DC modules, available separately for specific deployments.

Question 6

How do I install a new power supply in an ASA 5500 chassis?

Accepted Answer

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.

Question 7

Can I use third-party power supplies in ASA 5500 devices?

Accepted Answer

Cisco recommends using genuine ASA 5500 power supplies to maintain warranty support and ensure optimal electrical compatibility and safety certifications.

Question 8

What is the difference between single and redundant power supplies in ASA 5500?

Accepted Answer

Single-supply configurations rely on one module; redundant setups use dual modules for failover, providing uninterrupted operation if one supply fails.

Question 9

How do I verify if my ASA 5500 power supply is failing?

Accepted Answer

Monitor the Power LED status on the chassis: amber or off indicates failure. You can also view Cisco IOS output via \

Question 10

Is there a warranty on Cisco ASA 5500 power supplies?

Accepted Answer

Yes, Cisco offers a limited lifetime warranty on ASA 5500 power supplies when purchased through authorized channels, covering defects in materials and workmanship.

Question 11

Where can I buy genuine ASA 5500 power supplies?

Accepted Answer

Purchase through Cisco Authorized Partners or the Cisco online store to guarantee authenticity, warranty support, and compliance with Cisco quality standards.

Question 12

How do I configure high availability with dual power supplies in ASA 5500?

Accepted Answer

Install two identical ASA 5500 power modules, connect separate AC feeds, and enable redundant power in the ASA configuration to activate automatic failover.

Question 13

What safety precautions should I follow when replacing ASA 5500 power supplies?

Accepted Answer

Disconnect AC power, wear ESD protection, avoid shorting connectors, and install modules in a well-ventilated environment per Cisco safety guidelines.

Question 14

Can I mix different power supply models in an ASA 5500 chassis?

Accepted Answer

No, mixing power supply models or wattages can cause compatibility issues; always use identical Cisco ASA 5500 modules for redundancy and performance.

Question 15

How do I troubleshoot power supply fan noise in ASA 5500 units?

Accepted Answer

Ensure proper ventilation, clean dust from vents, verify firmware is up to date, and replace any failing fan-equipped power supply modules.

Question 16

Are replacement power supplies for ASA 5500 backward compatible with older ASA models?

Accepted Answer

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.

Power Supplies Asa 5500 Series

NXA-PAC-650W-PI= (NEXUS NEBS AC 650W PSU PORT SIDE INTAKE)

PWR-C1-1100WAC/2= (Cisco Switch Power Supply 1100W AC)

PWR-C1-350WAC/2 (Cisco Switch Power Supply 350W AC)

PWR-C1-715WAC/2 (Cisco Switch Power Supply 715W AC)

PWR-C6-1KWAC= (PWR-C6-1KWAC= - Catalyst 9000 Switch Power Supply)

PWR-C6-600WAC (PWR-C6-600WAC - Catalyst 9000 Switch Power Supply)

PWR-C5-125WAC/2= (PWR-C5-125WAC/2= - Catalyst 9000 Switch Power Supply)

PWR-C5-600WAC/2= (PWR-C5-600WAC/2= - Catalyst 9000 Switch Power Supply)

ASA-PWR-AC (ASA 5545-X/5555-X AC POWER SUPPLY)

ASA-PWR-BLANK (ASA 5545-X/5555-X Power Slot Blank Cover)

ASA-PWR-DC= (ASA 5545-X/5555-X DC POWER SUPPLY)

ASA5585-PWR-AC= (ASA 5585-X Spare AC Power Supply)

ASA5585-PWR-DC (ASA 5585-X DC POWER SUPPLY)

ASA5585-PWR-DC= (SPARE DC PWR SUPPLY FOR ASA 5585-X)

PWR-C5-1KWAC/2= (PWR-C5-1KWAC/2= - Catalyst 9000 Switch Power Supply)

ASR1001-X-PWR-AC (Cisco ASR1001-X-PWR-AC AC Power Supply for ASR1001-X 341-0608-01)

Questions & Answers