Our Applications & Solutions

Dual QAM/8VSB Monitoring Blade

Description

The VB262 DUAL QAM/8VSB input option offers monitoring of QAM signals as found in QAM cable networks and off-air 8VSB signals. The chassis can be equipped with a single VB120 or VB220 master card that has one or two VB262 input cards under its control.

Features:

  • Dual input QAM/8VSB receiver (one input standard, the second is optional)
  • Fully independent inputs
  • Fully compliant with ETS 300 249
  • ITU.T J.83 (Annex A/B/C)
  • QAM modes: 16,32,64,128,256
  • VSB modes: 8VSB
  • Constellation Diagram
  • Wide symbol rate range of 0.87 to 7.0 Mbaud
  • Selectable IF filter (6/8 MHz)
  • Excellent neighbor channel isolation
  • Dual 75 ohm F-connector input
  • SNR
  • Pre-FEC BER
  • Post-FEC BER
  • MER
  • Input signal level
  • Frequency offset
  • Symbol rate offset
  • Spectrum inversion
  • AGC Lock/Carrier lock indication
  • Inputs support round-robin operation
  • Fully controlled via backplane by VB120 or VB220

Product Files

Our Solutions

Multi-Vendor,
Multi-Technology
System Solutions

To grow your business – and your revenue – operators want the Knowledge, Assets and impartial technical guidance only a true Partner can deliver! From HFC and DOCSIS to x-PHYTM; from FTTx – GPON and RFoG to IPTV; from Linear Video to Multi-Screen; MHz best-in-class Technologies and Client Services will meet your goals while exceeding your expectations…

Read More

Client Services

Too much on your plate?
Not enough hours in your day?

The next time you need, Linear Video or Multi-Screen, MPEG, DOCSIS or x-PHYTM, IP or RF resources to support the operation of Multi-Vendor, Multi-Technology products deployed in your HFC or FTTx network, MHz can help!

Choose from a customized package of remote “Fractional Engineering” hours you can use over an extended period of time; or our on-site Integration and Activation Services.

Both can offset your temporary work-load.

Read More