User's Manual

3
5.9.
Audio Interface........................................................................................................................................................ 22
5.10. Nominal Audio Signal............................................................................................................................................. 22
5.11. Audio Processing and Control................................................................................................................................. 23
5.12. COMMUNICATION .............................................................................................................................................. 23
5.13. SIM CARD CONSIDERATIONS .......................................................................................................................... 25
5.14. SIM Connection ...................................................................................................................................................... 25
5.15. ESD CONSIDERATIONS...................................................................................................................................... 26
5.16. ANTENNA CONSIDERATIONS .......................................................................................................................... 26
5.17. Antenna Systems ..................................................................................................................................................... 26
5.18. Antenna Safety ........................................................................................................................................................ 26
5.19. ESD Protection ........................................................................................................................................................ 26
5.20. Antenna Performance .............................................................................................................................................. 26
5.21. Portable Devices...................................................................................................................................................... 26
5.22. Fixed Devices.......................................................................................................................................................... 27
5.23. Antenna Test Methods............................................................................................................................................. 27
5.24. MECHANICS - MOUNTING IO200 ..................................................................................................................... 28
5.25. Fastening Units into the terminal............................................................................................................................. 28
5.26. GPS CONSIDERATIONS ...................................................................................................................................... 28
6. AT COMMANDS............................................................................................................................................................. 29
6.1. Data Services........................................................................................................................................................... 29
6.2. Supplementary AT commands ................................................................................................................................ 29
7. GPS AT COMMANDS .................................................................................................................................................... 30
7.1. GPS Request +WVGPS........................................................................................................................................... 30
7.2. GPS and Location Services ..................................................................................................................................... 30
8. SOFTWARE INTERFACE .............................................................................................................................................. 31
8.1. Extended Error Codes.............................................................................................................................................. 31
9. CALL SCENARIO ........................................................................................................................................................... 32
9.1. General .................................................................................................................................................................... 32
9.2. List Current Voice Calls.......................................................................................................................................... 32
9.3. Get Subscriber Numbers.......................................................................................................................................... 33
9.4. Phone Activity Status .............................................................................................................................................. 34
9.5. Get User Identity ..................................................................................................................................................... 34
9.6. SIM access............................................................................................................................................................... 35
9.7. Signal Strength Access............................................................................................................................................ 35
9.8. Call Timers.............................................................................................................................................................. 36
9.9. Cell Tower Information........................................................................................................................................... 37
9.10. Equipment Information ........................................................................................................................................... 37
9.11. Trace Mode.............................................................................................................................................................. 38
9.12. GPS data.................................................................................................................................................................. 39
9.13. Operating Mode change .......................................................................................................................................... 40
9.15. Security Functionality ............................................................................................................................................. 43
9.16. Master Reset ............................................................................................................................................................ 45
9.17. Normal Group.......................................................................................................................................................... 46
9.18. Private Call.............................................................................................................................................................. 51
9.19. Call Alert ................................................................................................................................................................. 51
9.20. Telephone Interconnect ........................................................................................................................................... 51
9.21. Phone Only Mode.................................................................................................................................................... 51
9.22. Supplemental Services............................................................................................................................................. 51
9.23. Circuit Data Call...................................................................................................................................................... 51
9.24. Packet Data Service................................................................................................................................................. 51
9.25. Short Message Service ............................................................................................................................................ 51
9.26. Message Description ............................................................................................................................................... 51
9.27. TERMINAL -> io200.............................................................................................................................................. 51
9.28. io200 -> TERMINAL.............................................................................................................................................. 51
9.29. AT Command Cross-Reference............................................................................................................................... 51
9.30. Multiple Channel Access......................................................................................................................................... 51
9.31. Interconnect Call Extensions................................................................................................................................... 51
9.32. Private Call Extensions............................................................................................................................................ 51
10. GSM MUX INTEGRATION....................................................................................................................................... 51