Model # CS-BT-CMTS-1x1
1 x 1 DOCSIS CMTS with 1 Downstream and 1 Upstream Channel.
Model # CS-BT-CMTS-1x2
1 x 2 DOCSIS CMTS with 1 Downstream and 2 Upstream Channels.
Model # CS-BT-CMTS-1x4
1 x 4 DOCSIS CMTS with 1 Downstream and 4 Upstream Channels.
Model # CS-CMTS U/S Mod
CMTS Upstream Module, CMTS supports Up To 8 Upstream Modules