Siemens TC35i User Manual download pdf (Page 4)

TC35i Terminal Hardware Interface Description

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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

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Siemens TC35i User Manual Page 4