CASA Systems C100G-US16X8

The US16x8 DOCSIS module is a complete DOCSIS upstream unit that
includes RF burst receiving, signal demodulation, DOCSIS upstream MAC,
PHY, as well as packet processing and QoS. Together with the RF upstream
I/O (RFU) module, it serves as the RF upstream interface between the cable
headend and DOCSIS-based cable modems. The US16x8 is a single-slot
module, supports 16 DOCSIS burst receivers, and is a hot-swappable unit.

Deployable in either the C100G or the smaller C40G, the US16x8 module
offers up to 8 channels per port and 128 channels per module.