
5.1 RS-232C Serial Interface
1 Specifications
Transmission system: Asynchronous communication method (full duplex)
Signal logic level: RS-232C
Baud rate: 2400, 4800, 9600, 14400, 19200,
38400, 57600, 115200 bps
Data length: 7 bits or 8 bits
Start bit: 1 bit
Stop bit: 1bit, 2bits
Parity check: Odd parity, even parity, none
Connector: D-sub 25pin 17LE-13250-27(D41)(DDK) or
equivalent
2 Example of connection of computer and printer
IBM compatible machines
Communication control: XON/XOFF or CTS/DTR
"IBM
(DB9P)
(DB25P)
SHIELD
TXD
RXD
CTS
S.GND
1 F.GND
3 RXD
2 TXD
20 DTR
7 S.GND
DTR
DSR
4 RTS
5 CTS
NC
3
2
8
5
4
6
Printer
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