Справочная информация и описание кабеля
Nullmodem (9-25)
Use this cable between two DTE devices (for instance two computers).
(To Computer 1).
(To Computer 2).
9 PIN D-SUB FEMALE to Computer 1.
25 PIN D-SUB FEMALE to Computer 2.
D-Sub 9
D-Sub 25
Receive Data
2
2
Transmit Data
Transmit Data
3
3
Receive Data
Data Terminal Ready
4
6+8
Data Set Ready + Carrier Detect
System Ground
5
7
System Ground
Data Set Ready + Carrier Detect
6+1
20
Data Terminal Ready
Request to Send
7
5
Clear to Send
Clear to Send
8
4
Request to Send
Note: DSR & CD are jumpered to fool the programs to think
that they are online.
Contributor:
Joakim Цgren,
Drew Sullivan,
Niklas Edmundsson,
Don Rifkin
Source:
?
Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-10