Advantech AIMB-210 user manual 3 COM2 RS 232/422/485 Mode Selector JSETCOM2

1.8.3COM2 RS 232/422/485 Mode Selector (JSETCOM2)

Users can use JSETCOM2 to select among RS 232/422/485 modes for COM2. The default setting is RS 232.

RS232* RS422 RS485

Table 1.4: COM2 RS 232/422/485 Mode Selector (JSETCOM2)

Function	Jumper Setting
*RS232	(5-6) + (7-9) + (8-10) + (13-15) + (14-16) closed
RS422	(3-4) + (9-11) + (10-12) + (15-17) + (16-18) closed
RS-485	(1-2) + (9-11) + (10-12) + (15-17) + (16-18) closed
*: Default

1.8.4JLV1/JLV2: LCD Power 3.3 V/5 V Selector

Table 1.5: JLV1/JLV2: LCD Power 3.3 V/5 V Selector

Closed Pins	Result
1-2*	3.3 V*
2-3	5 V

*Default

1 1

3.3 V

1-2 closed

5 V

2-3 closed

AIMB-210 User Manual 10