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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 editing controller AG-A850.
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 TXD – Send data (–)
3 RXD + Receive data (+)
4 GROUND Ground
5 NC Not used
6 GROUND Ground
7 TXD + Send data (+)
8 RXD – Receive data (–)
9 FRAME GROUND Frame ground
The following lists the functions which can be controlled by AG-A850. (Compliant with the GVG protocol)
• Crosspoint switch
• Wipe pattern selection
• Transition mode (MIX/WIPE) selection
• Auto transition time setting
• Auto transition execution
If the [AUX] switch is pressed twice, the lamp of the switch will light up red.
While the lamp is lighted up red, control exercised from an external source can be canceled.
If the same switch is pressed twice again while its lamp is still lighted up red, the lamp is extinguished, and the
control exercised from an external source is re-established.
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.
The signals are input using contacts. The auto take operations are
executed using these contacts as triggers.
Use an M3.5 stereo plug for connection with the main unit.
AUTO TAKE
AUTO TAKE