Casio SE-C450 Service Manual

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SE-S400/SE-S800/PCR-T500/PCR-T520/SE-C450
SE-S3000/SE-S900/PCR-T2300/PCR-T2400/SE-C3500
[11] RS232C Test (Port Test, Batch Test)
[Function]
Tests the communication of RS232C using the loop back tool.
[IMPORTANT]
Information of the loop back tool.
Pin assignment on the register side (male) Pin Signal Name Connection information
51
69
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7RTS
8 CTS
9RI
[11-1] RS232C Port Test
[Operation]
Connect the loop back tool to the connector which you wish to test.
Command : x
n
0 4
d
k
x: Baud rate selection (bps)
0=2400, 1=4800, 2=9600, 3=19.2 k, 4=38.4 k, 5=56 k, 6=Invalid, 7=115.2k
n: Number of times to run
0 Once (Can be omitted)
1 ~ 9 Infi nite loop (To forcibly terminate the test, press the
C
key.)
d: COM Port select
1 COM1 (UART1)
2 COM2 (UART0)
[Display of the Result]
TxD
- - >
RxD OK
[Printout of the Result]
COM1 30041
RTS1=1
--
> CTS1=1 OK
DTR1=1
--
> DSR1=1 OK
RTS1=0
--
> CTS1=0 OK
DTR1=0
--
> DSR1=0 OK
TxD
--
>
RxD
OK
END 30041

Casio SE-C450 Specifications

General

Brand	Casio
Model	SE-C450
Category	Cash Register
Language	English