Cavo Nullmodem (9-9)

Cavo per due apparecchiature DTE devices (ad esempio due computer).

9 PIN D-SUB FEMALE (Al Computer 1). (Al Computer 2).

9 PIN D-SUB FEMMINA al Computer 1.
9 PIN D-SUB FEMMina al Computer 2.

	D-Sub 1	D-Sub 2
Receive Data	2	3	Transmit Data
Transmit Data	3	2	Receive Data
Data Terminal Ready	4	6+1	Data Set Ready + Carrier Detect
System Ground	5	5	System Ground
Data Set Ready + Carrier Detect	6+1	4	Data Terminal Ready
Request to Send	7	8	Clear to Send
Clear to Send	8	7	Request to Send

Nota: I pins DSR & CD sono ponticellati per far credere al cl programma di essere on-line