OKI OL610EPS 사용자 설명서

                                                                                                                                                
Appendix B LOCALTALK (RS422) SERIAL INTERFACE (OL610e/PS only)
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)--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

Abbreviation

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

• Connector Pin Arrangement

(As viewed from the cable side)
4) Signal level
Differential output : ±5V Differential input : ±7V
5) Interface circuit
a) Receiving circuit

OKI OL600/610ex (96-01-18