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3
GPI-24 Installation and Operation Manual
DESCRIPTION
PRODUCT DESCRIPTION
The GPI-24 interfaces 24 optically isolated inputs to a users PC COM or
USB port. Each input can be configured to generate user programmable ASCII,
HEX or control character strings on each falling and/or rising input transition. Each
string can be up to 40 characters long. Programming is performed using
HyperTerminal or your favorite com program. The user has three additional pre-
programmed selections. The “PIP” GPI format is used on most of our audio switch-
ers, the AT-1616 format is used on one of our most popular serial GPIO interfaces
and the short ASCII format, which is used by a number of radio automation suppli-
ers. Additional features include; Plug-in euroblock screw terminals; optional
StarGuide II/III relay card adapter; LED indicators for power and input activity. The
GPI-24 is supplied with a Smart USB-RS-232 adapter cable, DB-9 straight-through
serial cable and 9 vac wall transformer. The GPI-24 is powered by a surge protect-
ed internal power supply. Two GPI-24’s may be horizontally rack mounted via the
optional 1-RU, RM-3 mounting shelf or up to 12 units on the RA-12 rack panel
mounted vertically. DIN rail mounting via the optional DIN rail clips is available.
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