Connecting Sony OB camera tally output to Shadow V50 rig tally connector

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2016General Discussion forum

The Shadow V50 rig uses a 4-pin Lemo connector for tally input/output, same as the M-1 model
The tally circuit is active and designed to power the Tiffen tally sensor, making it more complex than a simple pass-through connection
Wiring details for the tally connector can be found in the M-1 manual documentation
A functional tally cable can be created to connect Sony OB cameras (1500/2500/4300) tracker connector output to the rig's tally connector
Getting the tally signal from the camera to the rig's tally connector may not automatically transmit the signal to external monitors via accessory cables

The solution applies specifically to Shadow V50 and M-1 rigs with 4-pin Lemo tally connectors
Monitor tally display issues remain unresolved in the thread despite successful cable connection
The active circuit design requires careful attention to wiring details and may benefit from manufacturer support
The exact pinout and wiring diagram referenced in the M-1 manual is not reproduced in the thread