Sierra Wireless MP215 manual Power Supply Interface and On/Off Control, DB-9 Female

Page 16

MP215 Mobile Modem

Installation, Configuration, and User’s Guide

Figure 3-2 RS-232-C Voltage Specifications

+15 V

+5 V

-5 V

-15 V

RS-232-C

driver

Space

Logic 0

Transition

region

Mark

Logic 1

+15 V

+3 V

-3 V

-15 V

2 V noise margin

RS-232-C

receiver

Space

Logic 0

Transition

region

Mark

Logic 1

The MP215 is configured as a DCE (Data Communications Equipment) and the DB-9 connector uses the standard pin designations as shown in Figure 3.3.

Figure 3-3 Modem DB9 Pin Designation

Received Line

 

 

DB-9 Female

 

 

 

 

 

 

 

 

 

 

Signal Detect (DCD)

 

1

 

 

 

DCE Ready (DSR)

 

 

 

 

Transmitted Data

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

(TXD)

 

2

 

 

 

Clear To Send (CTS)

 

 

 

7

 

 

 

 

 

 

 

 

 

Received Data (RXD)

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

Request To Send (RTS)

 

 

 

4

 

 

 

DTE Ready (DTR)

 

9

 

 

 

 

Signal Ground (GND)

 

5

 

 

 

Ring Indicator (RI)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.2. Power Supply Interface and On/Off Control

The power supply connector for the MP215 is a Molex Connector P/N: 39-29-

1048. The pin designation for the mating connector (Molex P/N: 39-01-2040 or

39-01-2045, pins Molex P/N: 39-00-0039) is given in Figure 3-3.

Sierra Wireless Inc.

05/11/99

3-2

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Contents MP215 Modem Page Important Notice Regulatory Information Customer Service Contents Operating the MP215 via Watcher Figures Tables Page CS-CDPD OverviewMP215 Operating Modes MP215 Wireless Expert and Watcher MP215 Host InterfaceMP215 Installation Installing the Modem in a VehicleInstalling the Cellular Antenna Connecting the Serial CableWarranty Registration External Interfaces Host interfacePower Supply Interface and On/Off Control DB-9 FemalePower Connector Pin-out cable side Modem Status Indicator SpeakerI/O Connector RF Antenna ConnectorMating Connector Suggestions Speaker SuggestionsSierra Wireless Inc 05/11/99 Installing MP215 Firmware and Utility Software Installing MP215 FirmwareInstalling Wireless Expert and Watcher Software Configuring the MP215 With Wireless Expert SetupAmps Provisioning Cdpd provisioning Programming the Dial CodeNEI and Side Preference DNS Configuration Configuring the MP215 via AT Commands Configuring the MP215 for CSC modeProgramming the NAM Programming the CS-CDPD Modem Bank Dial CodeAutoswitch Provisioning Maxidle TimerAutocheck Timer Programming the Channel Side PreferenceMaxcdpdlost Timer Maxcdpdscan TimerCDPDPresence Timer Page Operating the MP215 via Watcher CS-CDPDSierra Wireless, Inc 05/11/99 Operating the MP215 via AT Commands Page Host Interface General DescriptionAT Command Specifics AT Commands Command WS181+WPREG Registers and +WS registers