Crystal Vision
Hardware installation
BNC
I/O assignment
OPTICAL OUTPUT 2
Optical serial digital video output 2
OPTICAL OUTPUT 1
Optical serial digital video output 1
SDI IN1
Channel 1 3G/HD/SD serial digital input
SDI LOOP1
Channel 1 loop-though output
SDI LOOP2/1
Either Channel 2 or Channel 1 loop-though output depending
on PL2 setting.
SDI IN2
Channel 2 HD/SD serial digital input
2.2 General purpose interface
The external GPI control lines 'a' to 'f' at the frame remote connectors are provided to allow
remote control and/or remote status indication. The FTX-L 3G has six GPI output lines
assigned for status reporting
.
GPI Connections
High (+5V )
Low (less than 1V)
‘a’
Serial digital input present on Input 1
No serial digital input present on Input 1
‘b’
Serial digital input present on Input 2
No serial digital input present on Input 2
‘c’
Channel 1 laser functioning within normal
tolerances
Channel 1 laser has reached its near end of life
point
‘d’
Channel 2 laser functioning within normal
tolerances
Channel 2 laser has reached its near end of life
point
‘e’
Channel 1 laser operating
Channel 1 laser shut down
‘f’
Channel 2 laser operating
Channel 2 laser shut down
Each GPI output line is pulled up to the frame +5V with a 6k8 ohm resistor; they are also
protected by a 270 ohm current limiting series resistor.
FTX-L 3G User Manual R1.2
9
19 May 2017
