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Localtalk (optional interface), Macintosh to serial – IBM 1725 SLS User Manual

Page 247

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Cable Pinouts

B-11

Technical Specifications

LocalTalk (Optional Interface)

These are the pinouts for the optional 8-pin LocalTalk cable:

Macintosh to Serial

These are the pinouts for a cable connecting the Macintosh printer or
modem port to the printer’s serial port:

»

Note: To download printer system software from a Macintosh, you must have this
type cable.

Pin

Name

(Pinout view from front of connector)

1,2,7

Reserved

3

Transmit Data - (TXD)

4

Signal Ground (GND)

5

Receive Data - (RXD)

6

Transmit Data + (TXD)

8

Receive Data + (RXD)

To
Macintosh
DB-9 Female

To
Printer
DIN-8 Male

HandshakeOut

1

7

RTS

HandshakeIn

2

8

CTS

TXD-

3

3

TXD

RXD-

5

2

RXD

GND,RXD+

4,8*

5

GND

6,7

Not Used

* Pins 4 and 8 must be connected together on the DIN-8.

See also other documents in the category IBM Printers: