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6. External interfaces
This unit comes with RS-422, GPI and tally connectors to serve as external interfaces.
6-1. RS-422 connector
This enables the unit to be controlled by an external device. Use it with the settings below.
Baud rate: 38400 bps
Parity: ODD
Stop bit: 1 bit
Pin assignment
Pin No. Signal name Description of signal
1 FRAME GROUND Frame ground
2 RXD – Receive data (–)
3 TXD + Send data (+)
4 GROUND Ground
5 NC Not used
6 GROUND Ground
7 RXD + Receive data (+)
8 TXD – Send data (–)
9 FRAME GROUND Frame ground
6-2. GPI connector
This enables auto take operations to be executed by an external device.
Auto transitions are executed at the fall of the GPI signals.
6-3. Tally connector
The tally connector comes with tally output, output enable, power supply or fan alarm output pins.
The output signals from the tally output pins are for lighting the tally lamps, and these outputs are open collector
outputs.
Pin assignment
Pin No. Signal name Input/output Description of signal
1 IN1 Open collector output Tally output of input video 1
2 IN2 Open collector output Tally output of input video 2
3 IN3 Open collector output Tally output of input video 3
4 IN4 Open collector output Tally output of input video 4
5 IN5 Open collector output Tally output of input video 5
6 IN6 Open collector output Tally output of input video 6
7 ENABLE Input Enable signal of tally output
Open: Output; GND: no output
8 ALARM Open collector output Fan alarm or power supply alarm output
9 GROUND GROUND Ground