Serial Interface (P1) - Digi One EM Hardware Reference Manual

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