4.
Change the position of PINs.
(1) (JP1201 side) : Serial Port (B)
(2) (JP1202 side) : Serial Port (A)
Item
Settings
+12V
Compatible for +12V devices
+5V
Compatible for +5V devices
RI
Not support power supply(Default setting)
5.
Close the Jumper switch cover.
C A U T I O N
n
When using a "+12V" or "+5V" mode , do not connect serial devices that aren't requiring power supply. Doing so may cause mal-
function of the devices.