Panasonic AV-HS300 manual External interfaces, RS-422 connector, GPI connector, Tally connector

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

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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.

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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

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