Specifications

A Remote Automated Water Quality Stream Gauging System Design 22

8. APPENDICES

Appendix 1 – Modem Setup

Wavecom Fastrack GSM modem

1. Enter the settings

AT+IPR=9600 E0 Q1 S0=2 <ENTER>

2. Save the configuration

AT&W <ENTER>

ModMax 3G Data Modem

1. Set auto soft reset to a scheduled interval (1440 = Daily)

AT$$RESET=1440

2. Check reset value

AT$$RESET?

3. Set CSD Service Type AT+CBST= (speed, data circuit type, transfer type)

AT+CBST=7,0,1

4. Turn Circuit 109 on for CSD Service

AT&C1

5. Set Modem to Auto Answer after 2 seconds

ATS0=2

6. Set Baud Rate

AT+IPR=9600

7. Set modem to suppress result codes

ATQ1

8. Turn Echo 0ff

ATE0

9. Save Configuration Changes to user profile 1

AT&W1

10. Set Profile 1 as the default user profile (loaded automatically after power outage or reset)

AT&F1