Advantech DVMB-554E 4 COM2 RS 232/422/485 mode selector J2, Lvds Power 3.3V/5V selector J6

1.8.4 COM2 RS 232/422/485 mode selector (J2)

Users can use J2 to select among RS 232/422/485 modes for COM2. The default setting is RS 232.

Table 1.6: COM2 RS 232/422/485 mode selector (J2)

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
RS485	(1-2) + (9-11) + (10-12) + (15-17) + (16-18) closed

1.8.5 LVDS Power 3.3V/5V selector (J6)

Table 1.7: LVDS Power 3.3V/5V selector (J6)

Function	Jumper Setting
5V	1
	1-2 closed
*3.3V	1
	2-3 closed
*default setting

24