United StatesASR 900 Power Supplies
Genuine AC and DC power modules for ASR 902, 903 and 920 routers with warranty, bulk pricing and fast delivery.
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ASR-920-PWR-A (Cisco ASR 920 Router Power Supply Module, 250W AC, Hot-Swap, 1+1 Redundant)
4.7 (7)- Power Supply
- Router Power Supply
- ASR920 AC Power Supply
- ASR-920-PWR-A
- Cisco
- ASR 920
- Cisco ASR-920-24SZ-IM; ASR-920-24SZ-M; ASR-920-24TZ-M routers
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Questions & Answers
Which power supplies do ASR 900 Series routers use?
Each ASR 900 chassis has its own PSU family, for example A900-PWR550-A and A900-PWR550-D for the ASR 902/903, plus fixed or modular AC and DC options for ASR 920 models. Always match the PSU to your exact chassis.
Are ASR 900 power supplies hot-swappable?
Yes. Modular ASR 900 power supplies are field-replaceable and hot-swappable, enabling replacement without taking the router out of service in redundant setups.
Do ASR 900 routers support redundant power?
Yes. ASR 902 and 903 chassis support dual power supplies in 1+1 redundancy, and carrier deployments should always use two independent feeds.
Can I mix AC and DC power supplies in an ASR 900?
Cisco supports specific mixed configurations on some chassis for migration scenarios, but standard practice is matching supply types. Check your platform's hardware guide before mixing.
What is the difference between -A and -D PSU SKUs?
-A denotes an AC input module and -D denotes a DC (-48V) input module, letting the same chassis run from utility power or a telecom DC plant.
Why choose DC power for the ASR 900?
Service-provider and cell-site facilities typically run -48V DC battery plants, so DC PSUs integrate directly with existing power infrastructure and backup systems.
What happens if one ASR 900 PSU fails?
With redundant supplies installed, the remaining unit carries the full load without interruption, and the failed module can be hot-swapped.
Where can I buy genuine ASR 900 power supplies?
ORM Systems stocks genuine AC and DC power modules for ASR 902, 903, and 920 routers, tested and warrantied, with bulk pricing and fast worldwide shipping.