User manual

35 Chapter 3

The jumper settings are schematically depicted in this manual as follows:

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 COM 2 RS-232/422/485 Jumper setting (J3/J4/J5

Located on internal motherboard)

The COM 2 port located on front faceplate of ARK-3383 unit which can

be configured 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-

3383 unit. The default setting of COM 2 is RS-232.

Please also refer to Chapter 8 “Full Disassembly Procedure”.

3.4 COM 3 RS-232/422/486 BIOS setting

The COM 3 port connector located on rear face plate of ARK-3383 unit

can be configured to operate in RS-232, RS-422 or RS-485 mode by

adjusting “COM 3 Mode” of “Integrated Peripherals” at the BIOS setting.

Please refer to Chapter 4 “Award BIOS Setup” to select. The default set-

ting value of COM3 has been set for RS-232.

3.5 COM 4 RS-232/422/486 BIOS setting

The COM 4 port connector located on rear face plate of ARK-3383 unit

can be configured to operate in RS-232, RS-422 or RS-485 mode by

adjusting “COM 4 Mode” of “Integrated Peripherals” at the BIOS setting.

Table 3.1: COM 2 RS-232/422/485 Jumper Select

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)

(*): means default setting of the jumper/function

1212

Open

Closed

Closed 2-3