ARRIS / Motorola SURFboard DOCSIS 3.0 Cable Modem SB6121 P/N 575186-019-00

USED ITEM ** Item is used, but tested -- see pictures. Item comes **AS PICTURED** and does NOT include: ** POWER ADAPTER ** Original Box Software CDs or Driver Discs Wall Mount Kit Cables or Connectors Paperwork Any Type of Follow-Up Support Power Requirement for this item is : 12VDC 0.75A Testing Item was Powered with a spare adapter used for testing [ Power Adapter ** NOT ** Included ] and Connected to a Laptop running Windows 11 via an Ethernet Port -- See Pictures for Screenshots Ethernet Cable is ** NOT ** Included. Item was * NOT * christened to our ISP - so no DSL or Internet is present E4978