Multi-Tech Systems MTCBA-C RS232 15-Pin Connector Pinout, AT Command Information, Designation

Page 11

 

 

 

 

 

 

Chapter 1 – Product Description and Specifications

 

RS232 15-Pin Connector Pinout

 

 

 

 

 

 

 

 

 

 

 

5

 

 

1

 

 

 

 

10

 

6

 

 

 

 

1 5

 

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PIN

EIA

CCIT

Designation

 

 

RS-232

1

DCD

109

Data Carrier Direct

 

 

 

6

RX

104

Receive Data (out)

 

 

 

2

TX

103

Transmit Data

 

 

 

8

DTR

108.2

Data Terminal Ready

 

 

 

9

GND

 

Signal Ground

 

 

 

7

DSR

107

Data Set Ready

 

 

 

12

RTS

105

Request to Send

 

 

 

11

CTS

106

Clear to Send

 

 

 

13

RI

125

Ring Indicator

 

 

Audio

4

MICROPHONE (+)

 

 

 

 

 

5

MICROPHONE (-)

 

 

 

 

 

10

SPEAKER (+)

 

 

 

 

 

15

SPEAKER (-)

 

 

 

 

Boot

3

BOOT

 

For factory use only.

 

 

Reset

14

RESET

 

To reset, connect to GND momentarily (typical:

 

 

 

 

 

 

 

20mSec). Open for normal operation.

 

AT Command Information

AT commands for the CDMA wireless modem are published in a separate Reference Guide included on the MultiModem CD and posted on the Multi-Tech web site.

IP commands for CDMA modems are also published in a separate Reference Guide included on the MultiModem CD and posted on the Multi-Tech web site.

Multi-Tech Systems, Inc. MultiModem CDMA Wireless Modem User Guide

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Contents MultiModem Cdma Trademarks and Logos MultiModem Cdma User Guide Wireless ModemS000303J, Revision J Copyright Revision History Revision Date DescriptionContents Models Product Description SpecificationsFeatures Product DescriptionApplication Types Wireless MultiModem used in remote ATM applicationApplication Overview Benefits/Features in Applications Safety Instructions for Hazardous Locations SafetyGeneral Safety RF Interference IssuesYour Responsibility Maintenance of Your ModemPackage Contents Functions Cdma Modes SpecificationsElectrical Characteristics Mode DescriptionLEDs Antenna/RF SpecificationsInterfaces Designation RS232 15-Pin Connector PinoutAT Command Information Hook up the Antenna, Serial Cable, and Power Activation InstallationActivate Your Wireless Account Serial Cable Power Screw Separation = 125 mm or 4 1516 inches Optional Attach the Modem to a Flat SurfaceRequirements Install the Modem DriverVerifying That Your Modem Has Been Installed Successfully IntroductionExamples of Useful AT Commands Using Your Wireless ModemPhone Numbers for the Wireless Modem Establishing a Voice Call Establishing a Circuit-Switched Data CSD ConnectionAnswering a Circuit-Switched Data CSD Connection Using Short Message Services SMS Send Example Sending an SMS message SMS ExamplesConnecting to the Cdma Network for Internet Access Internet AccessCreate Your Dial-Up Connection in Windows XP/2003 Disconnecting the ConnectionMobile PhoneTools Troubleshooting Examples Troubleshooting Frequently Asked QuestionsWho are the carriers? Frequently Asked QuestionsWhy does the modem answer and then do nothing? Just received this modem, what do I need to do?How does faxing work? What is the max supported serial baud rate?Modem will not answer Modem answers, but does nothingGeneral Wireless Modem Reference InformationData Cable Diagram No Voice Reference InformationReference Information Repair Procedures for International Customers Appendix a Warranty and RepairsMulti-Tech Warranty Statement Repair Procedures for U.S. and Canadian CustomersReplacement Parts Repair Procedures for International DistributorsJuly