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10  RS-232 Serial Port Integration Parameters 

You can use the guide below to design serial cables to integrate the  
CDM819s into your systems. 
 

Standard RS-232 DB-9 Pinout: 

 
Pin  

Name   Direction  

Description  

--------------------------------------------------------- 
1  

CD  

«—  

 

Carrier Detect  

2  

RX  

«—  

 

Receive Data  

3  

TX  

—»  

 

Transmit Data  

4  

DTR  

—»  

 

Data Terminal Ready  

5  

GND     

 

System Ground  

6  

DSR  

«—  

 

Data Set Ready  

7  

RTS  

—»  

 

Request to Send  

8  

CTS  

«—  

 

Clear to Send  

9  

RI  

«—  

 

Ring Indicator  

 
Below you will find pinouts of the RS-232 DB-9 Male and Female connectors: 
 

                               

 

 
Note: Direction is DTE relative DCE.  
 

Default RS-232 Communication Parameters: 

Bits Per Second:  

115200 

Data Bits: 

 

Parity:   

 

None 

Stop Bits: 

 

Flow Control: 

 

Hardware

 

Summary of Contents for CDM819s

Page 1: ...User s Manual CDMA Cellular Model CDM819s Serial Modem For use with LF1009 Modules In Support Of Hardware Revision1 0 Revision 2 9 April 2005...

Page 2: ...MIN 17 6 6 Entering The Mobile Country Code MCC 17 6 7 Entering The Mobile Network Code MNC 17 7 Frequently Asked Questions 18 7 1 Does The Modem Understand AT Commands 18 7 2 At What Speed Can I Send...

Page 3: ...ews 34 14 2 End Cap Overhead Profile Views 34 14 3 Mounting Flange Guide 35 15 Appendix 36 15 1 Carrier Specific Information 36 15 1 1 Verizon Wireless 36 15 1 1 1 Over the Air Provisioning 36 15 1 1...

Page 4: ...2 Table 3 S Registers Table 23 Table 4 Basic Action Commands Table 23 Table 5 Extended AT Configuration Commands Table 24 Table 6 CDMA AT Parameter Commands Table 25 Table 7 Cellular AT Command Extens...

Page 5: ...information on how to enter these operational modes 1 2 The Types Of Calls This chapter describes some of the features and capabilities of the CDM 819s modem Section 2 explains how to set up your mode...

Page 6: ...s if needed are listed in the sections that follow the Fast Track Sections The following modem setup examples apply for Windows 98 Me NT 2000 XP Due to the divergent graphical interfaces of these diff...

Page 7: ...through power cycles if you have the LF10092 or LF10093 firmware If the module firmware is LF1009 then the connected device must initialize the modem with ATS0 1 QCVAD 4 on power up in order to auto a...

Page 8: ...d call the Land Cell modem from this terminal window with the following command ATDT Phone number of 819 Modem 22 The terminal window connected to the 819 modem will say RING and then once the modems...

Page 9: ...of text with all the register values 9 Confirm and that you are registered on the cellular network AT CSS A reply of CSS 2 Z 99999 indicates that you are not registered It may take up to 15 seconds or...

Page 10: ...nd that you are registered on the cellular network AT CSS A reply of CSS 2 Z 99999 indicates that you are not registered It may take up to 15 seconds or so after power up to register on the network On...

Page 11: ...45262036 of the modem in hex format which should match the ESN on the label 6 If you get an error or no communication confirm that Hyper Terminal is connected to the proper COM port Typically this is...

Page 12: ...of Windows To launch HyperTerminal click on the Start Menu go to Programs Accessories Communications HyperTerminal If prompted you may name this connection TEST or give it any other appropriate name...

Page 13: ...ocess is described below please see the Appendix for information specific to your Carrier on how to activate your modem 3 1 Over the Air Provisioning The CDM 819s supports the cellular service provisi...

Page 14: ...e new connection should open automatically If it does not double click the icon on the desktop that you just created 2 Click Properties 3 From the General tab click Configure Make certain that the max...

Page 15: ...ry the following to troubleshoot this problem Verify the CommandPrefix entry in the HARDWARE INI file is set to AT Verify the DataInit entry in the HARDWARE INI file is set to something plausible AT F...

Page 16: ...erminal emulation software as described in the Using Terminal Emulation Software To Talk To The Modem section 3 0 above Once the modem is ready to accept commands type AT GSN and press enter The ESN o...

Page 17: ...rameters 6 3 Entering Offline Digital Mode In order to change the MIN MCC or the MNC you must first change the operational mode to Offline Digital by typing AT KWMODE 1 After changing this or any othe...

Page 18: ...Dialed a Phone Number Using ATDT and received No Carrier Verify that your CDMA provider has an IWF device installed on their network If so check if the account settings for the modem number are provis...

Page 19: ...se the terminal emulation software Attempt to connect again via Dial Up Networking Please see section 5 2 Configuring Dial Up Networking for more information on the Verizon username and password forma...

Page 20: ...hrough cable 7 13Why Do I Have To Set The Phone Number As 777 The act of dialing 777 automatically triggers the Cellullar Network to connect the call as a Packet Data TCP IP call on the 1xRTT network...

Page 21: ...r at By default the end of line character is the ASCII CR character decimal 13 unless it is changed by the S3 command The ASCII CR character is equivalent to one keystroke of the ENTER key Refer to th...

Page 22: ...eturn result codes Q1 Do not return result codes V0 Display result codes as numbers V1 Display result codes as words X0 Enable additional result code CONNECT Disable dial tone and busy detection X1 En...

Page 23: ...ion Commands The following table describes the Basic Action Commands Table 4 Basic Action Commands Table Command Description A Go off hook Answer any incoming call D dial string Dial The dial string m...

Page 24: ...Control 1 Xon Xoff 2 Hardware By default the modem is set up as AT IFC 2 2 to allow hardware flow control in both directions IPR Fixed Rm Rate This numeric extended format parameter specifies the data...

Page 25: ...D 0 16383 The mobile station is registered with the system indicated 99999 The mobile station is not registered CSQ Query Received Signal Quality Returns the Signal Quality and Frame Error Rate as fol...

Page 26: ...r Fax 1 Packet data service relay layer Rm interface 2 Packet data service network layer Rm interface PPP 3 Packet data service network layer Rm interface SLIP 4 STU III service 5 127 Reserved for fut...

Page 27: ...originating data calls as additional alternatives to the modulation specified in the MS command MR Modulation Reporting Control This extended format numeric parameter controls whether the extended for...

Page 28: ...th SO22 or SO25 The mobile will not negotiate to any other service option if SO22 and SO25 are unavailable 1 MDR Service If Available The mobile will originate with SO22 or SO25 but will negotiate to...

Page 29: ...s not known or is not detectable To Set Up For Inbound Outbound Calls To set up the modem for auto answer ATS0 1 To enable incoming connections for async calls AT QCVAD 4 To enable automatic packet ca...

Page 30: ...AT commands Digit Word Cross Reference Digit Word 0 OK 1 CONNECT 2 RING 3 NO CARRIER 4 ERROR 6 NO DIAL TONE 7 BUSY 8 NO ANSWER...

Page 31: ...rier Detect 2 RX Receive Data 3 TX Transmit Data 4 DTR Data Terminal Ready 5 GND System Ground 6 DSR Data Set Ready 7 RTS Request to Send 8 CTS Clear to Send 9 RI Ring Indicator Below you will find pi...

Page 32: ...ligence of the user improper or unauthorized use of the Product or use of the Product in such a manner for which it was not designed or by causes external to the Product such as but not limited to imp...

Page 33: ...VDC 2 8W Active 1XRTT Packet Data 230 ma 12 VDC Typical RF Power CDMA 200mW EIRP Nom Maximum Tx Power CDMA 23 5 dBm min 22 5 dBm min 1900MHz Rx Sensitivity CDMA 104 dBm Frequencies Cellular Tx 824 849...

Page 34: ...1 End Cap Frontal Views The first drawing listed below shows the front side of the modem The five holes illustrated are as follows left to right 1 Antenna SMA Connector 2 Green Receive Rx LED 3 Red Tr...

Page 35: ...beneath the body of the modem by a distance of 0 045 14 3 Mounting Flange Guide The following depiction illustrates the mounting footprint of the CDM819s The mounting flange holes located on each end...

Page 36: ...g ensure the antenna is properly attached and you have good signal Type in AT KWDIR to query modem and determine the currently programmed phone number The result should be something like KWDIR 0000005...

Page 37: ...Phone Number From Verizon Without Hyphens AT KWMODE 2 AT CDV 22899 After issuing the last command listed above let the modem sit uninterrupted for four minutes After four minutes remove the power supp...

Page 38: ...e MIN is automatically loaded with the MDN number so the MDN must be entered first If the MSID number is different from the MDN you may have to contact Land Cellular to program this value You must the...

Page 39: ...modem will not work correctly The MIN is automatically loaded with the MDN number so the MDN must be entered first If the MSID number is different from the MDN you may have to contact Land Cellular to...

Page 40: ...ferent It is very important to program these numbers correctly because if they are reversed the modem will not work correctly The MIN is automatically loaded with the MDN number so the MDN must be ent...

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