Motorola D15 Integration And Application Developers Manual page 96

Gsm engine / modem
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Standard, Slim, Slim with GPS and DIN horizontal models Functions available on 36 pin ZIF
VCC input
Full RS232 - 9 pins
External SIM connections
DSC bus
Audio In/Out
Man_Test line
TS line (mobport).
TX_EN line
GPS (GPS option only)
Data & Voice (D10 Replacement & Slim) - Connections
Main
Process.
Uart #1
D15
Figure 5 - Data & Voice (D10 Replacement & Slim) - Connections
d15 Modem Integration and Application Developers Guide version draft 0.53
3.0 to 6Vdc
TXD, RXD, RTS,CTS, DSR, DTR,DCD RI at 5V levels
SIM Clock, SIM reset, SIM I/O, SIM VCC,SIM PD
DSC_EN, Downlink, Uplink Motorola proprietary BUS
Audio out and On/Off in the same pin, audio in Signal and analog ground
Used to detect standard Motorola accessories
Used to turn on the radio when Vcc is applied
This line is an indication when the radio is transmitting
TXD & RXD in 3V levels, 1PPS, RTCM, Antenna power. RXD and TXD lines
are at 3V levels. The GPS receiver is the Motorola M12
Power supplies
Main PWR
RS232 port
General
Data purposes
DSC bus
User logic
EXT_SIM
DSC
Audio
Data port
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