Mini- RS-232
DIN Function Direction Pin
1 Data Set Ready (DSR) From Modem 6 CC
2 Data Term Ready (DTR) To Modem 20 CD
3 Receive Data (RXD) From Modem 3 BB
4 Signal Ground 7 AB
5 Transmit Data (TXD) To Modem 2 BA
6 Signal Ground 7 AB
7 Data Carrier Detect (DCD) From Modem 8 CF
8 Not connected (n.c.)