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[ 16 ] RS232C PORT test
[Function]
This is the RS232C test.
The loop back test for RS232C port is performed by making the connection shown in the figure.
Refer to [ 17 ] RS232C PORT batch test the figure for RS232C port connection.
[Operation]
Operation : x n 0 4 d ST
x: Baud rate selection
0 = 2400 bps, 1 = 4800 bps, 2 = 9600 bps, 3 = 19.2 kbps, 7 = 115 kbps (COM 1 only)
n: 0 = One time check (can be omitted)
not 0 = Continuous check (To stop the test, press "ESC" key)
d: Port selection
1 = COM1, 2 = COM2, 3 = COM3
[LCD]
COM 41
RTS1=1
CTS1=1 OK
DTR1=1
DSR1=1 OK
DTR1=1
CD1=1 OK
DTR1=1
CI1=1 OK
RTS1=0
CTS1=0 OK
DTR1=0
DSR1=0 OK
DTR1=0
CD1=0 OK
DTR1=0
CI1=0 OK
TxD
RxD OK
END 4
1
Displays only COM1
Displays only COM1
Displays only COM1
Displays only COM1
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