Serial Port Test; Connect Serial Port To Pc - Bolymin BETA903A User Manual

3.1.

Serial Port test

3.1.1.

Connect Serial Port to PC

BETA903A supports two sets of 2-wire RS232 and one set of 8-wire RS232 for serial interface
to a PC.
st
1 set of 2-wire RS232 (Debug Port) - Via a RS-232 serial cable, connect the 1
port of PC. This port is defaulted to a debug port and not for external use. Its signal level is at
+/- 12 volt.
nd
2 set of 2-wire RS232 (COM3) - Via a RS-232 serial cable, connect the 2
port of PC. This port is defaulted to COM3 with a signal level of +/- 12 volt.
BETA903A USER MANUAL - 30 -
st
set to COM
nd
set to COM