Sierra Wireless MP215 manual Power Connector Pin-out cable side

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MP215 Mobile Modem

Installation, Configuration, and User’s Guide

NOTE

The naming convention and signal flow is with respect to the modem not the PC (host) side. This means that TXD on the modem side is RXD on the Host Side and vice versa.

The directions of the arrows indicate signal flow into the pin or signal flow out of the pin. For example, the pin labeled TXD has the signal flowing out of the pin and the arrow pointing away from the pin.

Figure 3-4 Power Connector Pin-out (cable side)

Connector: 1pc

Molex PN 39-01-2040

Alternate: Molex PN 39-01-2045

Pins: 3 pcs

GND (Black)

 

Molex PN 39-00-0039

 

 

 

Ignition Sense (White)

Battery (Red)

The MP215’s power on/off is controlled by the ignition sense line. When this line is pulled high (5V - 16 V) the modem will power on. When this line is pulled low (less than 2 volts) the modem will power off. The modem shuts down (under software control) when the ignition sense line is pulled low. The modem will gracefully shut down by de-registering. This avoids potential data loss. This switch-off process typically takes several seconds to be completed.

The recommended power supply connection is shown in Figure 3-5: The 12 volt line should be directly connected to the positive (+) terminal of the battery and the Ground line directly to the negative terminal. The Ignition Sense line can be connected to either the electronic ignition switch of the vehicle or an external toggle switch. The current draw of the ignition sense line is less than 1 mA

CAUTION

Failure to implement a controlled switch off as indicated in Figure 3-5(or similar) can cause problems, such as NEI reset when the 12-volt power is removed.

PN0000-00 Revision 1.0

05/11/99

3-3

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Contents MP215 Modem Page Important Notice Regulatory Information Customer Service Contents Operating the MP215 via Watcher Figures Tables Page MP215 Operating Modes OverviewCS-CDPD MP215 Host Interface MP215 Wireless Expert and WatcherInstalling the Modem in a Vehicle MP215 InstallationInstalling the Cellular Antenna Connecting the Serial CableWarranty Registration Host interface External InterfacesDB-9 Female Power Supply Interface and On/Off ControlPower Connector Pin-out cable side Speaker Modem Status IndicatorRF Antenna Connector I/O ConnectorMating Connector Suggestions Speaker 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 NEI and Side Preference Programming the Dial CodeCdpd provisioning DNS Configuration Configuring the MP215 for CSC mode Configuring the MP215 via AT CommandsProgramming the NAM Programming the CS-CDPD Modem Bank Dial CodeMaxidle Timer Autoswitch ProvisioningAutocheck Timer Programming the Channel Side PreferenceCDPDPresence Timer Maxcdpdscan TimerMaxcdpdlost 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