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Specifications for serial interface
Basic specifications
Configuration of the connector and signal table
Item Specifications
Signal level standard Conforms to EIA RS232C
Synchronous system Asynchronous system
Communication system Full-duplex
Logical requirements
EIA RS-232C, CCITT V.24, JIS×5101
Electric properties
EIA RS-232C, CCITT V.24, JIS×5101
Connector D-SUB25 pin (female) conforming to JIS X 5101
Transmission speed (bps)
1200/2400/4800/9600/19200
Start bit length
1
Stop bit length
1/1.5/2
Parity bit No parity / even number / odd number
Hand shake Hard / X code
Pin No. Abbreviation Name of signal Source of transmission
1FG
Protective ground
-
2 SD
Transmitted data This device
3RD
Received data Computer
4 RS
Request for transmission This device
5 CS
Transmission possible Computer
6 DR
Data set ready Computer
7 SG
Signal ground
-
20 ER
Data terminal ready This device
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