GD BRC-1000

Redundant C-Band LNB system


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C-Band Low Noise Block Converters (LNB)


Redundant C-Band LNB systems minimize system downtime due to LNB failure by providing a spare LNB and an automatic means of switching to the spare upon failure of a primary LNB. A 1:1 system provides one spare LNB for one primary LNB. A 1:2 system provides a spare LNB for either of two primary LNBs.


The systems consist of an outdoor plate assembly which mounts at the antenna hub, an indoor control panel and interconnecting control cable.


  • Norsat C-Band PLL or externally referenced LNBs

  • High quality dual waveguide/coaxial switches

  • Manual override

  • Waveguide input flanges

  • Transmit reject filter(s), input crossguide coupler(s), input isolator(s), and offline I/O options available


  • 10/100 Base T Ethernet network interface

  • Supports SNMP v1, v2c, and v3

  • Rack-mount chassis, 19" wide, 1¾" (1 RU) high

  • Dual, redundant power supplies

  • Manual or automatic operation

  • Monitors unit currents, external alarms, or both

  • Automatically switches RF path to standby unit when unit failure occurs

  • User-selectable RS-232/-422/-485 serial I/O M&C interface

  • Parallel I/O M&C interface

  • Menu-driven user configuration of all options

  • Front panel graphically depicts switch positions and unit status

  • Worldwide universal AC input capability standard; consult factory for DC prime power

  • Audible alarm

  • CE certified and RoHS compliant; EAR 99

FACTORY REFERENCE: C-Band Low Noise Block Converters (LNB)

Specific References