User ManualTable of ContentsChapter 1 – Product Description and Specifications4Product Description4Features4Safety5General Safety5RF Interference Issues5Installation Instructions and Hazardous Locations Warnings5Vehicle Safety5Maintenance of Your Modem6Your Responsibility6Package Contents6General Specifications7Functions – GSM/GPRS Modes7Electrical Specifications7RF Specifications8Antenna Specifications8GSM/EGSM Antenna Requirements/Specifications8Antennas Available from Multi-Tech Systems, Inc.8PTCRB Requirements Note8FCC Requirements Note8Interfaces8LEDs8RS232 15-Pin Connector Pinout9AT Command Information9Chapter 2 – Activation and Installation10Step 1 – Activate Your Wireless Account10Step 2 – Insert the SIM Card into the Holder10Step 3 – Hook up the Antenna, Serial Cable, and Power11Step 4 – Optional – Attach the Modem to a Flat Surface13Step 5 – Install the Modem Driver14Chapter 3 – Using Your Wireless Modem15Phone Numbers for the Wireless Modem15Examples of Useful AT Commands15Verifying Signal Strength15Checking Network Registration and Roaming Status15Checking the Modem’s Identity15Establishing a Voice Call16Establishing a Circuit-Switched Data (CSD) Connection16Answering a Circuit-Switched Data (CSD) Connection16Using Short Message Services (SMS)17SMS Examples18Internet Access20Connecting to the GPRS Network for Internet Access20Chapter 4 – Troubleshooting and Frequently Asked Questions22Troubleshooting Examples22Frequently Asked Questions23Chapter 5 – Reference Information25Wireless Modem Reference Information25Data Cable Diagram – No Voice25Data Cable Diagram – with Voice26Fused DC Power Cable Dimensions26How to Change the Fuse26Appendix A – Warranty and Repairs27Appendix B - Waste Electrical and Electronic Equipment (WEEE) Statement29Appendix C – C-ROHS HT/TS Substance Concentration30Size: 492 KBPages: 30Language: EnglishOpen manual