Topcon CT-80 RS-232C Communication Specifications, Connector Types, Terminal Pin Arrangement

RS-232C COMMUNICATION SPECIFICATIONS

Connector Types

Input terminal: DIN 8-pin (TSC0838-01-2051, Hoshiden)

Output terminal: DSUB 9-pin (DE-9S-N, JAE)

I/O Terminal Pin Arrangement

⋅Output terminal: DSUB 9-pin (Pin Nos.1 and 9 are not used.)

Pin No.	Code	Description	I/O
2	RD (RXD)	Data receiving	I
3	SD (TXD)	Data transmission	O
4	ER (DTR)	Data terminal ready	O
5	SG (GND)	Signal ground	I/O
6	DR (DSR)	Data set ready	I
7	RS (RTS)	Request transmission	O
8	CS (CTS)	Transmission ready	I

Output terminal Input terminal

⋅Input terminal DIN 8-pin (Pin No.1 is not used.)

Pin No.	Code	Code Description	I/O
2	SD (TXD)	Data transmission	I
3	RD (RXD)	Data receiving	O
4	RS (RTS)	Request transmission	O
5	CS (CTS)	Transmission ready	I
6	DR (DSR)	Data set ready	I
7	SG (GND)	Signal ground	I/O
8	ER (DTR)	Data terminal ready	I

Input terminal

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