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External Interface Subpanel
The GPI enable button enables and disables GPI outputs and
control of the switcher from GPI inputs. When GPI enable is on,
control inputs from GPI relay contacts are read by the switcher,
and GPI outputs from the switcher are also active for external use.
When the button is off, all GPI inputs and outputs are disabled.
The PERIPH Enable button functions in a manner similar to that of
the EDIT Enable button, except that it controls peripheral access to
the switcher via any peripheral-configured serial port and it does
not acknowledge protocol messages while it is turned off.
GPI
Enable
Periph
Enable