Oki 6ex, 6E specifications Sync

Appendix B LOCALTALK (RS422) SERIAL INTERFACE

1) Connector
• Printer side	:	8-pin mini DIN receptacle
		Type TCS7187-01-201 (made by HOSHIDEN) or equivalent
• Cable side	:	8-pin mini DIN plug
		Type TCP7180-01-110 (made by HOSHIDEN) or equivalent

2)Cable

•To be shielded cable

•Cable length LocalTalk

Defined max. length	:	1,000 ft. (305 m) (It is the maximum length for a
		LocalTalk network.)
Recommended max. length :		10 ft. (3 m) (For noise prevention)

	RS422 : 6 ft. (1.8 m) max.
3)	Interface signal
Pin No.	Signal Name	Abfreviation	Signal Direction	Description
1	–			(Not used)
2	Sync. signal	SYNC	← PR	(Not used)
3	Transmit data minus	TxD-	← PR	Transmit data minus polarity
4	Signal ground	SG		Signal ground
5	Receive data minus	RxD-	→ PR	Receive data minus polarity
6	Transmit data plus	TxD+	← PR	Transmit data plus polarity
7	–			(Not used)
8	Receive data plus	RxD+	→ PR	Receive data plus polarity

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