Siemens TC35i - Manual (Page 4)

TC35i Terminal Hardware Interface Description
Confidential / Released
TC35i_T_HD_v01.05 Page 4/37 10.07.2003
Figures
Figure 1: Block diagram of a TC35i Terminal application (example).....................................14
Figure 2: TC35i GSM engine................................................................................................15
Figure 3: TC35i Terminal circuit block diagram ....................................................................17
Figure 4: Female 6-pole Western plug for power supply, ignition, power down ....................18
Figure 5: Pin assignment RS-232 (D-Sub 9-pole female).....................................................20
Figure 6: Audio Western plug (4-pole female) ......................................................................22
Figure 7: Audio block diagram..............................................................................................22
Figure 8: Antenna connector circuit on TC35i module ..........................................................25
Figure 9: Recommended antenna connector........................................................................25
Figure 10: Design drawing ...................................................................................................27
Figure 11: Recommended screws........................................................................................28
Figure 12: Attaching TC35i Terminal onto a top-hat rail .......................................................28
Figure 13: Reference equipment for approval ......................................................................35
Tables
Table 1: Terms and abbreviations ........................................................................................10
Table 2: Key features ...........................................................................................................12
Table 3: Overview of operating modes .................................................................................16
Table 4: Female 6-pole Western plug for power supply, ignition, power down .....................19
Table 5: 9-pole D-Sub (female) RS-232 ...............................................................................21
Table 6: Audio modes ..........................................................................................................23
Table 7: Coding of the green status LED .............................................................................26
Table 8: Mechanical characteristics......................................................................................27
Table 9: Absolute maximum ratings .....................................................................................29
Table 10: Operating conditions.............................................................................................29
Table 11: Characteristics power supply................................................................................30
Table 12: Characteristics (requirements) On/Off control lines ..............................................31
Table 13: Characteristics (requirements) RS-232 interface ..................................................31
Table 14: Characteristics (requirements) audio interface .....................................................32
Table 15: AT adjustable parameters ....................................................................................33
Table 16: Air interface ..........................................................................................................34