Crystal Vision
Hardware installation
FTX 3G User Manual R1.0.doc
7
15/03/2010
Rear module connections with RM56
RM56 fits in all frames
Description
RM56
24 modules in 4U, 12
modules in 2U & 6 in 1U
All frame slots can be used
BNC
I/O assignment
Optical Input (B)
Optical serial digital video output (B)
Optical Input (A)
Optical serial digital video output (A)
SDI IN(A)
Channel A HD/SD Serial digital input
SDI IN(B)
Channel B 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 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 A
No serial digital input present on Input A
‘b’
Serial digital input present on Input B
No serial digital input present on Input A
‘c’
Channel A laser functioning within normal
tolerances
Channel A laser has reached its near end of
life point
‘d’
Channel B laser functioning within normal
tolerances
Channel B laser has reached its near end of
life point
‘e’
Channel A laser operating
Channel A laser shut down
‘f’
Channel B laser operating
Channel B 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.
