insys icom GSM small 2.0 Manual page 23

INSYS GSM small 2.0
6.4 Pin Assignment of the Serial Interface
Figure 6: 9-pin D-Sub socket at the device
Pin Signal
1 DCD
2 RXD
3
TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Table 9: Description of the pin allocation of the D-Sub socket
Description
Data Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Ground
Data Set Ready
Request To Send
Clear To Send
Ring Indication
Connections
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