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Cal Amp vanguard User Manual
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13antenna, with an average gain >-5dBi, if using the GPS functionality. If both RX diversity and GPS are required, install aCellular/GPS combo antenna.This device is configured with default settings and is ready to be configured via HTML. Some configurations may be setusing AT commands. Refer to Section XX for AT Commands using the Serial Port.1.8 RS-232 SERIAL PORT INTEGRATION PARAMETERSTable 5 provides the serial cable design information to integrate the Vanguard modem into your system. Table 6 gives thedefault RS-232 communication parameters.Table 5 – Standard RS-232 DE-9 Pin outPin Name Direction Description1 CD ← Carrier Detect2 RX ← Receive Daa3 TX → Transmit Data4 DTR → Data Terminal Ready5 GND System Ground6 DSR ← Data Set Ready7 RTS → Request to Send8 CTS ← Clear to Send9 RI ← Ring IndicatorNote: Direction is DTE relative DCETable 6 – Default RS-232 Communication ParametersBits Per Second 115,200Data Bits 8Parity NoneStop Bits 1Flow Control NoneFigure 7 DE-9 Connectors1.8.1 ODP (OPEN DEVELOPERS PLATFORM) OVER RS-232This device includes the Open Developers Platform (ODP), which permits customers to develop their own Linux basedapplications which run on the modem’s ARM9 (AT91RM9200) processor. The customer’s application can utilize the externalRS-232 port, and or an internal 3 pin (GND, RXD, TXD) RS-232 port and is able to transfer data over the cellular WAN usingthe linux socket libraries. The Vanguard firmware also supports an API that allows the customer’s application to accessdiagnostic data from the cell module such as connection status and RSSI. More information and support is provided byCalAmp’s Applications Engineering organization. |
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