3 Application Board: GM862-S1

Transcription

1 1vv SR , Rev. ISSUE#5-05/02/02 3 Application Board: GM862-S1 In order to use the Telit GM862 module as a stand-alone product, Telit supplies an Application Board (namely Telit S1 Board) that interfaces the Telit GM862 module with appropriate power supply filters, SIM card reader and UART port. Application Board - S1 Furthermore the Telit GM862-S1 has the Full ETSI Type Approval, and can be immediately used into customer application without the need of additional certification work. Telit GM862-S1 Reproduction forbidden without Telit written authorization All Right reserved Right of modification reserved page 26 of 173

2 3.1Application Board Description Telit GM862 Product Description 1vv SR , Rev. ISSUE#5-05/02/02 This chapter gives to the customer all the necessary information to correctly install and interface the Telit GM862-S1 with his own applications. A description of the recommended accessories and the connections to the Telit GM862-S1 is also given. The following simplified block diagram shows the modules connections and the system identification. GM862S1 Configuration SIM Holder S1 Board Antenna GM862 GSM-DCS AUDIO & UART To customers applications Reproduction forbidden without Telit written authorization All Right reserved Right of modification reserved page 27 of 173

3 Application Board Lay-Out Reproduction forbidden without Telit written authorization All Right reserved Right of modification reserved page 28 of 173

4 3.1.1Hardware interfaces description The Application Board interface is connected to the Telit GM862 Module through the PL103 connector. Your application will be connected the Telit GM862-S1 through the PL101 connector (shown in the next figure). The S0101interface is the SIM Holder. Connectors on Interface board 1) PL101: Connector to customer Board/Application 2) PL103: Connector to the Telit GM862 module PL 103 Connector to Telit GM862 SO101 SIM Holder PL 101 Connector to Your Application Reproduction forbidden without Telit written authorization All Right reserved Right of modification reserved page 29 of 173

5 Connector to customer Board/Application (PL101) The PL103 customer board application interface connector placed on interface module (S1) is a standard pin strip male dual row pitch 2.54mm 2x15 pin. You'll need the female connector on your custom board to interface with the PL101. GM862-S1 PL101 Connector PIN-OUT Pin Signal I/O Function 1 EAR_HF+ AO Handsfree ear output, phase + 2 EAR_MT- AO Handset earphone signal output, phase - 3 EAR_HF- AO Handsfree ear output, phase - 4 EAR_MT+ AO Handset earphone signal output, phase + 5 GND - Signal ground 6 MIC_HF- AI Handsfree microphone input; phase -, nominal level 3-8.5mVpp 7 MIC_MT+ AI Handset microphone signal input; phase+, nominal level 140mVpp 8 MIC_HF+ AI Handsfree microphone input; phase +, nominal level 3-8.5mVpp 9 MIC_MT- AI Handset microphone signal input; phase-, nominal level 140mVpp 10 ON/OFF I Input command for switching power ON or OFF (toggle command) 11 PWRCTL O Module Status ON indication (Signal output for power on/off control of external devices) 12 RESET I/O Reset input 13 GPIO2 O General purpose output (open collector) 14 AXE I Handsfree switching 15 GPIO1 I General purpose input 16 STAT_LED O Status indicator led 17 GND - Signal ground 18 C103/TXD I Serial data input (TXD) from DTE 19 C106/CTS O Output for Clear to send signal (CTS) to DTE 20 C125/RING O Output for Ring indicator signal (RI) to DTE 21 C107/DSR O Output for Data set ready signal (DSR) to DTE 22 C109/DCD O Output for Data carrier detect signal (DCD) to DTE 23 C104/RXD O Serial data output (RXD) to DTE 24 C108/DTR I Input for Data terminal ready signal (DTR) from DTE 25 C105/RTS I Input for Request to send signal (RTS) from DTE 26 GND - Signal ground 27 GND - Power Ground 28 VBATT - Main power supply 29 GND - Power Ground 30 VBATT - Main power supply Reproduction forbidden without Telit written authorization All Right reserved Right of modification reserved page 30 of 173

6 29 30 GM862 GM862-S1 Top View 1 2 PL101Connector Position and PIN- Out order Connector to the Telit GM862 module The PL103 transceiver interface connector placed on interface module is a female CSTP 2x25 pin vertical SMD SCH SCH Molex (low profile). See pin out on the SO301 connector on Telit GM862 module (par. 2.13, Interface connectors on GM862). Reproduction forbidden without Telit written authorization All Right reserved Right of modification reserved page 31 of 173