Used Cisco uBR7223 Series Line Card

About the Cisco UBR7200 Series: "Two- to four-slot broadband, carrier-class routers. Designed for cable operators and service providers, this series connects residential subscribers for high-speed data, broadband, and IP telephony" (Cisco - A Beginner's Guide Third Edition by Velte & Velte).

Part # UBR-MC16B

Product Description: The Cisco UBR-MC16C cable modem cards feature one downstream modulator and six upstream demodulators.

 

The Cisco uBR-MC16B supports 64 QAM at 27 Mbps downstream and QPSK at 2.56 Mbps upstream default data rates. In QPSK upstream operation, the Cisco uBR-MC16B supports all DOCSIS upstream channel widths In 16 QAM upstream operation, the Cisco uBR-MC16B excludes support for two of the five upstream symbol rates—2.56 M and 1.28 M. Similarly, in 256 QAM downstream operation, the Cisco uBR-MC16B excludes support for the same two DOCSIS symbol rates—2.56 M and 1.28 M. The Cisco uBR-MC16B cable interface line card output is +32 dBmV +/- 2 dB.