HwB: Nullmodem (9-25) Cable

Nullmodem (9-25) Cable

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: ?

Please send any comments to Joakim Цgren.