Распиновка, расположение выводов и внешний вид последовательного интерфейса:
AppleLine RS232
(at the computer)
25 PIN D-SUB MALE at the computer.
PinNameDirDescription
1
SNG

Shield ground
2
TXD

Tx Transmit Data, Out
3
RCD

Rx Receive Data, In
4
RTS

Request to Send, Out
5
CTS

Clear to Send, In
6
DSR

Data Set Ready, In
7
GND

Ground
8
DCD

Data Carrier Detect, In
9
n/c
No connection
10
n/c
No connection
11
n/c
No connection
12
CH

Data signal rate selector, In
13
n/c
No connection
14
n/c
No connection
15
n/c
No connection
16
n/c
No connection
17
n/c
No connection
18
n/c
No connection
19
n/c
No connection
20
DTR
Terminal Ready Signal, Out
21
n/c
No connection
22
CE

Ring indicator, In
23
n/c
No connection
24
n/c
No connection
25
n/c
No connection
Contributor:
Joakim Цgren
Source:
Apple Tech Info Library 1184: AppleLine Pinouts til.info.apple.com/tilarchive.nsf/artnum/n1184 at Apple TIL homepage
Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-13