User guide
Table Of Contents
- Presentation
- Warning
- Copyright
- 1 References
- 2 Packaging
- 3 General presentation
- 4 Characteristics and Services
- 5 Use of the modem
- 5.1 Starting with the modem
- 5.2 Specific recommendations for the use of the modem in vehicles
- 5.3 GSM led of the modem
- 5.4 Echo function of AT commands deactivated
- 5.5 Checking the quality of the GSM reception signal
- 5.6 Verification of PIN code
- 5.7 Verification of modem registration on GSM network
- 5.8 Verification of modem registration on GPRS network
- 5.9 Verification of internal voltages of the modem
- 5.10 Main AT commands (HAYES)
- 5.11 Turning OFF the modem
- 5.12 Updating procedure of the modem
- 6 Trouble Shooting
- 7 Functional description
- 8 Technical characteristics
- 8.1 Mechanical characteristics
- 8.2 Electrical characteristics
- 8.3 Environmental characteristics
- 8.4 Standards/Conformities
- 9 Security recommendations
- 10 Recommended accessories
- 11 Client support
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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO & GENER reserves the right to make any modification.
Dct_427_01
3.2.1.3 15-pin Sub D HD connector
The female 15-pin high density Sub D connector is used for:
- The RS232 serial link connection,
- The audio line connection (microphone and loudspeaker),
- The BOOT and RESET signals.
Figure 7 : 15-pin Sub D HD connector
Table 3 : 15-pin Sub D HD connector
Pin N°
Standard name Circuit (V24 – RS232C) I/O
1 Signal detection 109 – DS – DCD O
2 Data transmission 103 – ED – TXD I
3 Boot BOOT I
4 Microphone + MICP I
5 Microphone - MICN I
6 Data reception 104 – RD – RXD O
7 Data set ready 107 – PDP – DSR O
8 Data terminal ready 108/2 – TDP – DTR I
9 Signalization ground 102 – TS – GND -
10 Loudspeaker + SPKP O
11 Ready to send 106 – PAE – CTS O
12 Request to send 105 – DPE – RTS I
13 Call indicator 125 – IA – RI O
14 Reset RESET I
15 Loudspeaker - SPKN O