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Jumper Settings
This Powered RS-232 Board supports DC power output to device feature. User
can select +5V or +12VDC power output to serial device over DB9 1st and 9th
pin. Please follow the jumper setting before using for each COM port.
Caution
1. Be sure to confirm your serial device power voltage sourcing and pin number
to prevent any further problem.
2. Before plugging this board into your system, please carefully check the
power output jumper setting and hardware installation steps to prevent any
damages.
3. Wrong operation damages connected serial device. Delock is NOT
responsible for user's wrong operation, including power voltage selected
mistake, wrong jumper settings, or carelessness cable wiring.
4. Do NOT cross the jumper settings over different pin define. Below setting is
WRONG.
User can read below silkscreen printing on the PCB. Each COM port has two
jumper sets for the first and ninth pin for DB9 male connector. User can select
standard RS-232 signal (system default), +5VDC, or +12VDC power output on
the assigned pin.
COM 1 Port - 1st Pin
12 V
DCD
The First pin option on COM ONE
5 V
COM 1 Port - 9th Pin
12 V
The Ninth pin option on COM ONE
-2-
RI
5 V
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