%Appendix B LOCALTALK (RS422) SERIAL INTERFACE

(OL610e/PS only)

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

TxD-

PR

Transmit data minus

 

minus

 

 

polarity

 

 

 

 

 

4

Signal ground

SG

 

Signal ground

 

 

 

 

 

5

Receive data

RxD-

PR

Receive data minus

 

minus

 

 

polarity

 

 

 

 

 

6

Transmit data

TxD+

PR

Transmit data plus

 

plus

 

 

polarity

 

 

 

 

 

7

 

 

 

(Not used)

 

 

 

 

 

8

Receive data

RxD+

PR

Receive data plus

 

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

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Oki OL610EPS, OL600E manual Appendix B Localtalk RS422 Serial Interface OL610e/PS only, Sync

OL600E, OL610E, OL610EPS specifications

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