Advantech ARK-3384 Series, User Manual

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21 Chapter 3
A pair of needle-nose pliers may be helpful when working with jumpers.
If you have any doubts about the best hardware configuration for your
application, contact your local distributor or sales representative before
you make any changes.
3.3 COM2 RS-232/422/485 Jumper setting (J3/J4/J5
Located on internal motherboard)
The COM2 port located on rear face plate of ARK-3384 unit can be con-
figured to operate in RS-232, RS-422 or RS-485 mode by setting up the
Jumper Pins of J3/J4/J5 located on internal motherboard of ARK-3384
unit. The default setting of COM2 is RS-232.
(*): means default setting of the jumper/function
Please also refer to Chapter 9 “Full Disassembly Procedure of ARK-
3384 Embedded Box Computer”.
3.4 LCD Power Jumper Setting (J6)
The ARK-3384 embedded box computers provides a jumper J6 located
internally on the PCM-9380 or PCM-9386 motherboard for selecting the
LCD signal power of 5V or 3.3V. When you connect your LVDS LCD
Panel display, you need to set up J6 for LCD power setting selection for
your LVDS Panel display.
Table 3.1: COM2 RS-232/422/485 Jumper setting
Function Setting
RS-232 *
J3 (1-2 closed) (J4, J5 open)
RS-422 J4 (1-2 closed) (J3, J5 open)
RS-485 J5 (1-2 closed) (J3, J4 open)