Распиновка, расположение выводов и внешний вид последовательного интерфейса:
Apple LaserWriter AppleTalk
9 PIN D-SUB CONNECTOR
PinNameDirDescription
1
GND

Ground
2
n/c
Not connected
3
GND

Ground
4
TXD+

Transmit Data +
5
TXD-

Transmit Data —
6
n/c
Not connected
7
RXCLK

TRxC of Zilog 8530
8
RXD+

Receive Data +
9
RXD-

Receive Data —
Note: Direction is Printer relative Computer.
Contributor:
Joakim Цgren
Source:
Technote HW19: Pinouts developer.apple.com/technotes/hw/hw_19.html at Apple Technical Notes
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May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-10