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20. External Device Connection
20-1. GPI IN/OUT and Tally Outputs
The switcher can control external devices or can be controlled by external devices via the GPI
interface.
20-1-1. GPI IN/TALLY OUT Connector
Pin Assignment Table (25-pin D-sub, female, with inch screws)
BKGD AUTO TRANS (input) (default setting)
KEY1 AUTO TRANS (input) (default setting)
KEY2 AUTO TRANS (input) (default setting)
DSK1 AUTO TRANS (input) (default setting)
DSK2 AUTO TRANS (input) (default setting)
No assignment (default setting)
GPI IN Circuit
Open Collector or no-voltage contact input
GPI OUT/ TALLY OUT Circuit
Relay contact output (Max. load voltage: 40 VDC, max. load current: 100 mA)