Sierra Wireless MP215 manual External Interfaces, Host interface

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3. External Interfaces

This section describes the Serial Host Interface, the Power Supply Interface, Modem Status Indicator, Speaker Interface and RF Antenna Connector.

Figure 3-1 MP215 (front view)

3.1. Host interface

The MP215 connects to a host through a DB9 (female) connector using the RS-232-C serial interface standard with a maximum signaling rate of 57.6 kbps. The RS-232-C specification voltages for receiver and driver are shown in Figure 3-2.

PN 2110036 Revision 1.0

05/11/99

3-1

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Contents MP215 Modem Page Important Notice Regulatory Information Customer Service Contents Operating the MP215 via Watcher Figures Tables Page Overview CS-CDPDMP215 Operating Modes MP215 Host Interface MP215 Wireless Expert and WatcherConnecting the Serial Cable MP215 InstallationInstalling the Modem in a Vehicle Installing the Cellular AntennaWarranty Registration Host interface External InterfacesDB-9 Female Power Supply Interface and On/Off ControlPower Connector Pin-out cable side Speaker Modem Status IndicatorSpeaker Suggestions I/O ConnectorRF Antenna Connector Mating Connector SuggestionsSierra Wireless Inc 05/11/99 Installing MP215 Firmware Installing MP215 Firmware and Utility SoftwareInstalling Wireless Expert and Watcher Software Setup Configuring the MP215 With Wireless ExpertAmps Provisioning Programming the Dial Code Cdpd provisioningNEI and Side Preference DNS Configuration Programming the CS-CDPD Modem Bank Dial Code Configuring the MP215 via AT CommandsConfiguring the MP215 for CSC mode Programming the NAMProgramming the Channel Side Preference Autoswitch ProvisioningMaxidle Timer Autocheck TimerMaxcdpdscan Timer Maxcdpdlost TimerCDPDPresence Timer Page CS-CDPD Operating the MP215 via WatcherSierra Wireless, Inc 05/11/99 Operating the MP215 via AT Commands Page General Description Host InterfaceAT Command Specifics Command WS181 AT CommandsRegisters and +WS registers +WPREG