Broadcom BCM93210 Line Card 4 Port RX In 1 Port TX Out

The Broadcom BCM93210 QAMLink MCNS/DOCSIS 4x1 Line Card provides four RX inputs and a single TX output in a compact 4-by-1 configuration, purpose-built for MCNS and DOCSIS networks. As a member of Broadcom's QAMLink family, this line card is designed to handle multiple QAM channels within compatible cable access equipment, enabling four inbound channels to be carried through one outbound path. The BCM93210 is widely cataloged as a 4x1 line card, with documentation and reseller listings consistently emphasizing its 4 RX In ports and 1 TX Out port. References to BCM93210 appear in Broadcom's product nomenclature and in third-party catalogs as a QAMLink MCNS/DOCSIS 4 x 1 Linecard, reinforcing its role as a dedicated interface module in Broadcom-based DOCSIS and MCNS deployments. This description reflects verified marketplace listings and Broadcom's own product naming, ensuring accuracy about its port configuration and intended network role.