CalAmp LandCell SMC-GPRS Series, User Manual

Page: 12 / 84

001-0004-829 Rev00
Page 12 of 84
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Development/Test board
The Development/Test board is required to interface the SCM-GPRS modem to a standard RS232
serial connection. The SMC test board also supplies the SMC-GPRS modem with the re5VDC
supply voltage from an externally supplied 10 to 28 VDC power source, +12VDC typical.
Figure 4.1 SMC modem with DK test board
SMC-GPRS test board components:
1. SMC-GPRS modem
2. MMCX to SMA RF cable: Provides connection to external antenna.
3. RS-232 Port: Standard D-Sub, 9 pin, female connector.
4. Power Connector: Molex 4-pos 3MM receptacle (lower left: GND, lower right: +VDC).
5. Blue LED: Power Indicator
6. Yellow LED: DCD Indicator
7. Green LED: RXD Indicator
8. Red LED: TXD Indicator
9. RESET Switch
: Bottom side of DK test board (under SIM card holder)
Note: USB connector reserved for future use.
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