Db-9 serial interface (p1) – Digi 90000278_B User Manual
Page 15
Digi One EM Hardware Reference
15
DB-9 Serial Interface (P1)
The following figure helps you locate specific DB-9 pins and
the table maps signals to pins.
Pin
Signal
1
Data Carrier Detect (DCD)
2
Receive Data (RxD)
3
Transmit Data (TxD)
4
Data Terminal Ready (DTR)
5
Signal/Chassis Ground (GND)
6
Data Set Ready (DSR)
7
Request To Send (RTS)
8
Clear To Send (CTS)
9
Unused
Pin 1
Pin 5
Pin 6
Pin 9