Hardware Interface Description - KORE Telematics

XT55/56 Hardware Interface Description
Confidential / Released
s
Figure 53: Recommended dowel .........................................................................................113
Figure 54: Mechanical dimensions of Hirose DF12 connector.............................................115
Figure 55: Reference equipment for approval......................................................................116
Figure 56: Block diagram of XT55/56 for SiRF Demo application........................................119
Figure 57: Block diagram of XT55/56 with AVL application (optional) .................................120
Figure 58: XT55/56 tracking phone with external µC (example application) ........................121
Tables
Table 1: XT55/56 key features ...............................................................................................21
Table 2: GSM coding schemes and maximum net data rates over air interface....................23
Table 3: Overview of GSM/GPRS operating modes ..............................................................26
Table 4: Power supply pins of board-to-board connector.......................................................28
Table 5: AT commands available in Alarm mode...................................................................33
Table 6: Temperature dependent behavior ............................................................................38
Table 7: Bill of material for external charging circuit...............................................................42
Table 8: Specifications of recommended battery pack...........................................................44
Table 9: Comparison Charge-only and Charge mode............................................................46
Table 10: AT commands available in Charge-only mode.......................................................47
Table 11: Wake-up events in NON-CYCLIC and CYCLIC SLEEP modes.............................51
Table 12: State transitions of XT55/56 (except SLEEP mode) ..............................................53
Table 13: DCE-DTE wiring of 1st serial interface (GSM part) ................................................56
Table 14: DCE-DTE wiring of 2nd serial interface (GSM part)...............................................56
Table 15: Signals of the SIM interface (board-to-board connector) .......................................61
Table 16: Pin assignment of Molex SIM card holder on DSB45 Support Box........................63
Table 17: Input control signals of the GSM part of the XT55/56 module................................64
Table 18: Coding of the status LED .......................................................................................66
Table 19: ASC0 ring signal.....................................................................................................69
Table 20: Return loss .............................................................................................................80
Table 21: Product specifications of U.FL-R-SMT connector ..................................................83
Table 22: Material and finish of U.FL-R-SMT connector and recommended plugs ...............84
Table 23: Ordering information for Hirose U.FL Series ..........................................................86
Table 24: Absolute maximum ratings (GSM part) ..................................................................87
Table 25: Absolute maximum rating (GPS part).....................................................................87
Table 26: Operating temperatures .........................................................................................87
Table 27: Electrical description of application interface .........................................................90
Table 28: Power supply ratings (GSM part) ...........................................................................95
Table 29: Power supply ratings (GPS part)............................................................................96
Table 30: Audio parameters adjustable by AT command ....................................................102
Table 31: Voiceband characteristics (typical).......................................................................104
Table 32: Voiceband receive path........................................................................................105
Table 33: Voiceband transmit path.......................................................................................106
Table 34: Air Interface..........................................................................................................107
Table 35: Measured electrostatic values..............................................................................108
Table 36: Summary of reliability test conditions ...................................................................109
Table 37: Ordering information DF12 series ........................................................................114
Table 38: Electrical and mechanical characteristics of the Hirose DF12C connector..........114
Table 39: List of parts and accessories................................................................................123
Table 40: Molex sales contacts (subject to change) ............................................................125
Table 41: Hirose sales contacts (subject to change)............................................................125
XT55/56_hd_v02.06a Page 7 of 125 17.12.2004