What is the Cisco A900-PWR1200-D?
The Cisco A900-PWR1200-D is a power supply unit, listed by the manufacturer as ".ASR 900 1200W DC POWER SUPPLY". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The Cisco A900-PWR1200-D is a power supply unit — originally specified as ".ASR 900 1200W DC POWER SUPPLY" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Cisco A900-PWR1200-D is a power supply unit, listed by the manufacturer as ".ASR 900 1200W DC POWER SUPPLY". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Cisco network equipment, including parts such as the A900-PWR1200-D, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue