AIMB-210 User Manual 10
1.8.3 COM2 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.
1.8.4 JLV1/JLV2: LCD Power 3.3 V/5 V Selector
*Default
1 1

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

RS232* RS422 RS485

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
3.3 V
1-2 closed
5 V
2-3 closed