Grass Valley XSwitch Feb 01 2005 - Manual (Page 43)

42 ©2001 XSWITCH Installation and Operations Manual
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ARCHITECTURE (CONT.)
Prompter Controller (SSC-2000)
In a normal A/B switch environment, a single Prompter Controller is used and integrated with a dual sys-
tem. This Prompter Controller is used at the on-line control surface. A second Prompter Controller is pro-
vided with dual systems but the intent of the second unit is as a ready spare. To fully utilize the capability
B
System
Control Port
Control Port
A
System
Figure A-5
C Out
C Out
Dual
Serial
Card
C Out
B In
RS-485
Off-Line
Control
Surface
Com 2
B In
A In
C Out
A In
B In
Dual
Serial
Card
A In
RS-485
On-Line
Control
Surface
Com 2
A In
B In
To Cameras