CMTS (Cable Modem Termination System) :
C9 Networks manufactures the industry’s most integrated and user-friendly CMTS systems. C9 CMTS products are highly reliable and cost-effective. The following are the standard features in the C9 CMTS products:
| Models | Configuration | Modem Capacity | Bandwidth(DS) | Bandwidth(US) | Notes |
| C600 | 1DSx1US | 200 to 250 CMs | 40Mbps | 10Mbps | 2U Chassis |
| C1000 | 1DSx1US | 200 to 250 CMs | 40Mbps | 10Mbps | 1U Chassis |
| C800 | 1DSx2US | 400 to 500 CMs | 40Mbps | 20Mbps | 2U Chassis |
| C1500 | 1DSx2US | 400 to 500 CMs | 40Mbps | 20Mbps | 1U Chassis |
| C2000 | 1DSx4US | 750 to 800 CMs | 40Mbps | 40Mbps | 1U Chassis |