Moxa CP-112UL-DB9M [20/131] Cp 104ju
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Moxa CP-112UL-DB9M [20/131] Cp 104ju

Moxa CP-138U [20/131] Cp 104ju
Universal PCI Board Hardware Installation
2-9
CP-104JU
This board does not require configuration.
POS-104UL
The onboard jumpers are used to specify the pin 9 power signal for each serial port.
Step
a
The top row of jumper pins selects the
source of 12V power;
the bottom row of jumper pins selects the source of 5V
power:
Bus power External power
If 5V or 12V external power is enabled, you will need to connect the cable from the back of POS-104UL to the
PC’s power supply. Remove both jumpers to disable all power signals to all ports.
Step
b
For each serial port, a set of 5 jumper
pins is used
select the power signal that
is sent to pin 9.
5V 12V RI signal (input)
To disable pin 9 power signals for a specific port, remove the jumper.

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