Advantech AIMB-503 - (Jsetcom3 & Jsetcom7); COM3;COM7 RS232;422;485 Mode Selector (JSETCOM3 & JSETCOM7); JIR1+JWDT1+JOBS1: CIR Interface, Watchdog Timer Output and OBS Beep

AIMB-503 User Manual 10
1.8.5 JIR1+JWDT1+JOBS1: CIR interface, Watchdog Timer Output
and OBS Beep
*: Default
1.8.6 COM3/COM7 RS232/422/485 mode selector (JSETCOM3 &
JSETCOM7)
Users can use JSETCOM3 & JSETCOM7 to select among RS232/422/485 mode for
COM3 & COM7. The default setting is RS232.
Table 1.7: JWDT1+JOBS1: Watchdog Timer Output and OBS Alarm
Option
Function Jumper Setting
Watchdog Timer Output (4-6) (Default)
OBS BEEP(8-9)(Default)
(4 and 6) + (8 and 9)
Watchdog Timer Disable (2-4)
OBS BEEP(8-9)(Default)
(1 and 2) + (8 and 9)
Table 1.8: COM3 & COM7 RS 232/422/485 mode selector (JSETCOM3 &
JSETCOM7)
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