Beskrivelse af 25 pin.PC SERIEL KABEL. på PC side

DTE (Data Terminal Ecupmen)

	 1.          Protective Ground.
	 2.  TD  --> Transmit Data.
	 3.  RD  <-- Receive Data.
	 4.  RTS --> Request to sent.
	 5.  CTS <-- Clear to Send.
	 6.  DSR <-- Data set Ready.
	 7.  SG      Signal Ground.
	 8.  DCD <-- Data Carrier Detect 
	20.  DTR --> Data Terminal Ready.
	22.  RI  <-- Ring Indicator.

Beskrivelse af 9 pin.PC SERIEL KABEL på PC side

DTE (Data Terminal Ecupmen)

	1.  DCD <-- Data Carrier Detect
	2.  RD  <-- Receive Data.
	3.  TD  --> Transmit Data.
	4.  DTR --> Data Terminal Ready
	5.          Signal Ground.	
	6.  DSR <-- Data Set Ready
	7.  RTS --> Request to sent.
	8.  CTS <-- Clear To Send 
	9.  RI  <-- Ring Indicator.