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7.4.5
Used For Audio Switching
The Continuous Black Period is selected by removing the Black Pause Link and placing
it in the Audio position of LK1 (upper) when the RD85 is required to switch audio signals.
7.4.6
Diagnostic Video Connector
The front of the RD85 Module has a 3-pin "IDC" style connector with the video signal
present on the center pin and the ground on either of the two outer pins. The video on
this connector is the same as the output connector and may be used to diagnose the
system, from the front of the subrack rather than the rear.
7.4.7
Indicator
L1 illuminates when the RD85 Module has data written to it by the RD105B Subrack
Controller Module.
Rev. C
7.4-3
HMXMU001018
10/06
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