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R-55 / Mar 2003
SUPERPHONE INPUT
Pin 14 – Remote On
Pin 15 – ON Tally
Pin 16 - Remote Off
Pin 18 - +5V Digital
Pin 19 - Digital Ground
To Turn the Module ON & OFF from a Remote Location
REMOTE ON — Activates the module’s channel ON switch. Provide a
momentary closure between Pin 14 (Remote On) and Digital Ground (Pin 19).
This will latch the module ON. (User-supplied momentary contact switch
required.)
REMOTE OFF — Activates the module’s channel OFF switch. Provide
a momentary closure between Pin 16 (Remote Off) and Digital Ground
(Pin 19). This will latch the module OFF. (User-supplied momentary contact
switch required.)
To START and STOP Remote Source Machines Using Module ON/
OFF Switches
EXTERNAL START — Hook up the remote machine’s Start control pins
to the SPN-55 module’s DB-25 connector control pins: for START wire to
pins 3 and 5.
EXTERNAL STOP — Hook up the remote machine’s Stop control pins
to the SPN-55 module’s DB-25 connector control pins: for STOP wire to pins
4 and 5.
When the module’s ON/START switch is pressed, a closure takes place
between START/STOP COMMON and START; when the module’s OFF
switch is pressed, a closure takes place between START/STOP COMMON
and STOP. These may be used to control a remote tape machine for recording
phone segments.
On Tally
Lets the module’s channel ON switch control an on-air light or other
“microphone on” indicator at a remote location. This control function pro-
vides a continuous +5 volt signal at Pin 15 (On Tally) whenever the module
is ON.
This signal can be used to control an externally powered tally light that
requires a continuous signal to function. Or an external tally light (i.e., LED)
can be powered from the input module by connecting the external LED to
Digital Ground (Pin 19) and the On Tally port. In either case, current should
not exceed 30 milliamps.
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