Advantech AIMB-580, Руководство пользователя, Страница: 21 / 110

9 AIMB-580 User Manual
Chapter 1
G
eneral
Information
1.8.5 COM3 RS 232/422/485 mode selector (JSETCOM3)
Users can use JSETCOM3 to select among RS 232/422/485 modes for COM3. The
default setting is RS 232.
RS232 RS422 RS485
*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
1.8.6 Irda/Watchdog/OBS connector(JIR1/JWD1/JOBS)
JIR1/JWD1/JOBS is the jumper for Irda/Watchdog/OBS connector to set watchdog
function.
JIR1 Jumper for Irda
JWD1+JOBS1 Watchdog Timer Output
Watchdog to Reset (2-3) pin closed *
Error Beep (4-5)pin closed *
* refers to default.
Table 1.5: COM3 RS 232/422/485 mode selector (JSETCOM3)
Function Jumper Setting
Table 1.6: Irda/Watchdog/OBS jumper selector
Function Jumper Setting