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VB262 CABLE QAM ITU.T J-83 ANNEX A/B/C RF INPUT
VB262 CABLE QAM ITU.T J-83 ANNEX A/B/C RF INPUT

VB262 DUAL QAM/8VSB input option offers monitoring of cable TV signals

Part#:

VB262

Manufacturer:

Bridge Technologies

Features

  • Dual input digital terrestrial receiver
  • Fully independent inputs
  • VSB modes: 8VSB
  • Constellation Diagram
  • Pre-FEC BER, Post-FEC BER, SNR, MER, Level
  • CFO, SRO

The VB262 DUAL QAM/8VSB input option offers monitoring of cable TV signals as found in ITU-T J.83 Annex A/B/C QAM networks and DTT signals found in 8VSB networks. A chassis can be equipped with a VB120 or VB220 PROBE controller that has one or two VB262 RF input cards under its control.

A complete configuration with a fully licensed VB120 provides real-time monitoring and alarming for four QAM or VSB RF inputs, 50 IP MPTS/SPTS multicasts, upgradeable in steps of 10 from an initial 10 streams, and a ASI TS input and output.

ETSI TR 101 290 analysis is performed in parallel for the QAM/8VSB inputs, the ASI input and the IP input. If the VB220 is used as master card the IP monitoring capacity is increased to impressive 260 MPTS/SPTS multicasts in addition to the RF inputs.

The combined unit is ideal for hybrid networks where IP is used as a carrier from head-end to the regional edge multiplexer/ modulator/ transmitter. The built-in round-robin functionality allows sequential analysis of multiple QAM or VSB multiplexes, making it possible to monitor the total broadcast contents of a cable transmission system using a single VB262.

Each RF input port can be programmed to scan through 50 individual frequencies in a round-robin fashion.

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