Grass Valley XSwitch Feb 01 2005 - Manual (Page 41)

40 ©2001 XSWITCH Installation and Operations Manual
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PVTV SHOT DIRECTOR (CONT.)
Operationally in the A position, the cameras are controlled by the On-Line Control Surface SHOT Director
which is being controlled by the A system. Dual Serial Card 1 and Dual Serial Card 2 are in the A position.
(See figure A-2)
With the XSWITCH Main Frame in the B position, Dual Serial Card 1 will switch. This will connect the On-
Line Control Surface SHOT Director to the B system. Dual Serial Card 2 will remain unswitched and will
continue to allow control of the cameras by the On-Line Control Surface SHOTt Director. See figure A-3.
A
System
Control Port
B
System
Control Port
Dual
Serial
Card 1
A In
B In
C Out
C Out
B In
A In
Dual
Serial
Card 2
C Out
B In
A In
C Out
B In
A In
On-Line
Control
Surface
Com 2 RS-485
Off-Line
Control
Surface
Com 2 RS-485
To Cameras
RS-232
RS-232
Fig A-1
A
System
Control Port
B
System
Control Port
Dual
Serial
Card
A In
B In
C Out
C Out
B In
A In
Dual
Serial
Card
C Out
B In
A In
C Out
B In
A In
On-Line
Control
Surface
Com 2 RS-485
Off-Line
Control
Surface
Com 2 RS-485
To Cameras
Figure A-2