What is the Cisco DCM-ASI-MK1?
The Cisco DCM-ASI-MK1 is a circuit board, listed by the manufacturer as "D9900/D9901 DCM ASI I/O Board MKI". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The Cisco DCM-ASI-MK1 is a circuit board — originally specified as "D9900/D9901 DCM ASI I/O Board MKI" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Cisco DCM-ASI-MK1 is a circuit board, listed by the manufacturer as "D9900/D9901 DCM ASI I/O Board MKI". 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 DCM-ASI-MK1, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue