Crystal Vision
Installation
18/02/03
Page
27
5.8 Jumper setting summary
The following table summarises the board jumper settings.
Jumper
Function
J1
Term (upper position): Sync input is terminated with 75
Ω
, and loop-out not connected
Loop (lower position): Sync input unterminated and routed to loop-out connector
J2
AUTO: ADC104 auto-selects line standard (default)
MAN: J3 selects line standard
J3
625: 625 line standard forced
525: 525 line standard forced
J4 – J9
Position 1-2: GPI inputs selected (default)
J8
Position 2-3: GPI output (sync input non-valid) selected on GPI line ‘e’
J4 – J7
Position 2-3: 2
nd
serial port enabled using GPI lines ‘a’ to ‘d’
J10
Used to select node address in older frames (default position 2-3)
WARNING!
On no account should factory set jumpers be moved from their default positions, unless
guided to do so in this manual or by Crystal Vision support personnel.