Cobalt Digital Inc 9934-AUD-PRO Product Manual page 13

Introduction
SDI IN A selected; card and SDI IN A OK
Select A active
asserted by
control logic
A
PROC
B
SDI IN A loss; failover to SDI IN B
A
B
Select B active asserted
by control logic
SDI IN B selected; card loses power
Mechanical HOLD B
asserted by relay
latching
A
B
9934-AUDPRO-OM (V1.1)
Select Processed
active asserted by
control logic
PROC
IN OUT
Select Processed
active asserted by
control logic
PROC PROC
IN OUT
PROC PROC
IN OUT
Mechanical GO TO
bypass asserted by
relay latching
Figure 1-2 Auto-Changeover Function and Signal Flow
Video Output Crosspoint
A four-output video matrix crosspoint allows independently applying the card
processed video output or reclocked input to any of the four card discrete
coaxial outputs (
coaxial output is available as a processed video output.
An additional output (
outputs a copy of
power loss failover
.
SDI IN B
9934-AUD-PRO PRODUCT MANUAL
9934-AUD-PRO Functional Description
SDI A selected; card loses power
Mechanical HOLD A
asserted by relay
latching
A
B
SDI IN B selected; card and SDI IN B OK
Select B active
asserted by
control logic
thru
SDI OUT 1 SDI OUT 4
) provides a relay-protected output that
RLY BYP B
crosspoint selection in normal operation. In
SDI OUT 1
passive outputs the signal connected to
RLY BYP B
Mechanical GO TO
bypass asserted
by relay latching
PROC PROC
IN OUT
Select Processed
active asserted by
control logic
PROC PROC
IN OUT
9940ACOFO LB90
). For an SD output, a CVBS
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