17
EX
-
45034
English
RS
-
485 2
-
wire mode
RS
-
422 and RS
-
485 4
-
wire mode
Termination for RS
-
422, RS
-
485 2
-
wire and RS
-
485 4
-
wire mode:
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4.2
Jumper Settings
JP1:
P12V
X12V
P5V
X5V
If you have the jumper JP2
-
JP5 set to 5V or 12V, you can adjust the
voltage with the jumper JP1. There are 4 different power sources.
(
Attention!
Connector J4 must be connected to the power supply!)
X5V
=
5Volt from PC Power Supply (Factory Setting)
P5V
=
5Volt from Mainboard
X12V
=
12Volt from PC Power Supply
P12V
=
12Volt from Mainboard
5V
=
At pin 9 is now a voltage of +5V DC.
(Factory Setting)
12V
= At pin 9 is now a voltage of +12V DC.
There are 4 jumper on the board, so you can make the settings individu-
ally for all serial ports. The voltage adjustment can be made with the
jumper JP1. But this should not be adjusted for standard applications.
JP2
-
JP5:
12V 5V
4. Switch and Jumper Settings
4.1
Switch Settings