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A "non-switching" version of Genlock is also available. This is
often used to provide a continuous signal sync for display devices.
The external sync source is often a blackburst generator. However,
any composite video signal source may be used. With "Non-
switching" Genlock, S-Video and RGB video output is supported.
The RT Daughter card also has its own on board blackburst
generator for continuous signal sync for video displays and
projectors if required.
There are three options from Visual Circuits for audio/video
distribution. None of these devices are powered and follow all
standard audio/video cabling procedures.
1. Mini AV Breakout Box: This box brings out four BNC
composite video connectors, four S-video connectors and four
mini-phonejack stereo audio connectors. The box connects
directly to the DB-25 pin connector on the board and occupies
only one slot width on the back of a PC chassis. S-video and
composite video are simultaneously available on each channel.
No RGB output is supported.
2. Rackmount Breakout Box: This brings out all video signals to
BNC connectors and audio to terminal post ("Phoenix type")
connectors. A twisted ribbon cable with adapters connects the
boards DB 25 pin to the rackmount's 1 RU enclosure. The
Rackmount Breakout Box supports all configurations.
3. Universal Cable: This cable also supports all board
configurations and comes as a 19 inch cable which attaches to
each board's DB 25. All output connectors are RCA female
type, requiring appropriate adapters and patch cables. (Visual
Circuits does not carry cable adapters and accessories.)
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