Pinout – DB-9 connector (seriële poort)

Pin:OmschrijvingAfkorting
1Carrier DetectDCD
2Received DataRxD
3Transmitted DataTxD
4Data Terminal ReadyDTR
5Common GroundGND
6Data Set ReadyDSR
7Request To SendRTS
8Clear To SendCTS
9Ring IndicatorRI
-Protective Ground-