User manual

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Connection
The rear panel of the CAB4n includes a 25-pin DSub connector (DB-25) for accessing the GPIO
functions. Although it is possible to terminate GPIO functions directly to the DB-25 connector,
we recommend that you use the optional breakout accessory (GPIO-25: Peavey Part# 00510490).
The GPIO-25 is a convenient way to access each pin and facilitates easy rack wiring and
troubleshooting. The GPIO-25 is a DIN rail package and includes removable Euro connectors for
terminating the pins.
The illustration on the following page shows the pin assignments for the GPIO system. If you
are using the GPIO-25, use the screened pin numbers to identify the functions available for the
associated captive wire terminal.