Pin Assignment Of The Serial Interface - insys icom GSM 4.3 Manual

INSYS GSM 4.3
8.4

Pin Assignment of the Serial Interface

Figure 7: 9-pin D-Sub jack at the device
Pin Signal
1 DCD
2 RXD
3
TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Table 10: Description of the pin allocation of the D-Sub jack
8.5 Audio Connection (not INSYS GSM 4.3 compact)
Pin Signal
1 Microphone -
2 Speaker -
3
Speaker +
4 Microphone +
Table 11: Layout of the Western socket
Description
Data Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Ground
Data set ready
Request to send
Clear To Send
Ring Indication
Description
Connections
29