Our Applications & Solutions

Stereo A/V Switch


Digital Alert Systems Model 627A Stereo Audio/Video Switch module provides 2 x 1 (AB) balanced stereo audio follow video switching. The 2 x 1 switch will respond to a contact closure or a transistor switch to ground. The control input is buffered to eliminate high output current drive requirements to the controlling device. The 627A can be controlled by Digital Alert Systems program timers, remote controls or CATV Cue Tone receivers.


  • Video Switch works from 0 to 950 MHz
  • Small size
  • ‘F’ connectors
  • Unused signals terminated in 75 Ω
  • Includes 12 VDC power pack
  • Flanged enclosure for easy mounting

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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…

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Client Services

Too much on your plate?
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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.

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