LandCell CDM819s User Manual - Table of Contents
Table of Contents
1
Introduction ...................................................................................................................5
1.1
Modem Capabilities ................................................................................................5
1.2
The Types Of Calls .................................................................................................5
1.3
Speeds ...................................................................................................................5
2
Getting Started ...............................................................................................................6
2.1
Fast-Track: Circuit Switch Data (CSD) Call Setup....................................................7
2.2
Fast-Track: Packet Data Call Setup..........................................................................9
2.3
Fast-Track: Activating your Modem ......................................................................10
2.4
Fast-Track: Troubleshooting Communications with the Modem ..............................11
2.5
Setting Up Your Modem .......................................................................................12
2.6
Configuring The Modem .......................................................................................12
2.7
Serial Connection Reference Table ........................................................................12
3
Activating The Modem .................................................................................................13
3.1
Over-the-Air Provisioning.....................................................................................13
4
Placing Calls ................................................................................................................13
4.1
Making An Async Call Using Terminal Emulation Software ...................................14
4.2
Configuring Dial-Up Networking ..........................................................................14
4.3
Making A 1xRTT Packet Data Call........................................................................14
4.4
PC Fax Modem and Setup for Hot Fax...................................................................15
5
Troubleshooting ...........................................................................................................15
6
Helpful Hints................................................................................................................15
6.1
Diagnosing COM Port Problems Using Hyperterminal............................................16
6.2
Altering The Modem’s Cellular Parameters ............................................................17
6.3
Entering Offline Digital Mode ...............................................................................17
6.4
Unlocking The Service Programming Code (SPC) ..................................................17
6.5
Entering The Mobile Identification Number (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 Data?...........................................................................18
7.3
How Do I Perform An Over-the-Air Activation Of The Unit? ..................................18
7.4
The CDM-819s Does Not Answer When I Dial From Another Modem. ...................18
7.5
The Modem Auto-Answered, But Is Not Connecting. .............................................18
7.6
I Dialed a Phone Number Using ATDT and received "No Carrier". ..........................18
7.7
I Dialed A Phone Number Using ATDT And Connected, But When I Physically Move
The Modem, I Receive A "No Carrier" Message. ................................................................18
7.8
I Set Up Dial-Up Networking On My Computer, I Am Able To Connect To The
Packet Data Network By Calling #777, But The Modem Fails To Authenticate My Username
And Password. .................................................................................................................19
7.9
What Is The AT Command To Change The Baud Rate Of The Modem? ..................19
7.10
What Is The AT Command To Check The Current Baud Rate?................................19
7.11
What Is The AT Command To Change The Flow Control? ......................................19
7.12
When Do I Need A Null Modem Cable? ................................................................20
7.13
Why Do I Have To Set The Phone Number As #777? .............................................20
7.14
What Is Dormancy? ..............................................................................................20
8
AT Command Reference ...............................................................................................21
8.1
The Six Types Of Commands:...............................................................................21
8.2
Command Line Syntax..........................................................................................21