ATDn Connection String......................................................................................................... 7.2
AT+LCGASC Enable 1xRTT Auto-Session Connect................................................................ 7.3
AT+LCGRST End Cellular Session ......................................................................................... 7.4
RS-232 PAD Configuration Commands ......................................................................................... 8.0
AT+LCICTO Inter-Character Timer......................................................................................... 8.1
AT+LCIDCT Idle Disconnect Timer ........................................................................................ 8.2
AT+LCSEST Session Disconnect Timer .................................................................................. 8.3
Ethernet Commands ...................................................................................................................... 9.0
AT+LCETHI Set The Local Ethernet IP ................................................................................... 9.1
AT+LCETHN Set The Local Ethernet Netmask........................................................................ 9.2
AT+LCETHG Set The TCP/IP Gateway................................................................................... 9.3
AT+LCETHR Print The Route Table ....................................................................................... 9.4
AT+LCPROX Define A New Proxy......................................................................................... 9.5
Miscellaneous, System And Diagnostic Commands .......................................................................10.0
AT+LCCOPT Configuration Options ......................................................................................10.1
AT+LCSHWT Show Running Threads ....................................................................................10.2
AT+LCSHWM Show Free Memory........................................................................................10.3
AT+LCPRT Periodic Reset Timer...........................................................................................10.4
Frequently Asked Questions (FAQ)..............................................................................................11.0
Does The Modem Understand AT Commands?........................................................................11.1
At What Speed Can I Send Data? ............................................................................................11.2
How Do I Perform An Over-the-Air Activation Of The Unit? ...................................................11.3
What Is The AT Command To Change The Baud Rate Of The Modem?....................................11.4
What Is The AT Command To Check The Baud Rate?.............................................................11.5
What Is The AT Command To Change The Flow Control? .......................................................11.6
When Do I Need A Null Modem Cable?..................................................................................11.7
Do I Need A Crossover Or Patch Ethernet Cable? ....................................................................11.8
What Is Dormancy?................................................................................................................11.9
Can I Change The Phone Number Of The Modem?................................................................11.10
Does The Modem Require Any Special Drivers?.................................................................... 11.11
Is There A Graphical User Interface (GUI) For The Modem? ..................................................11.12
AT Command Reference..............................................................................................................12.0
The Types Of Commands .......................................................................................................12.1
Command Line Syntax ...........................................................................................................12.2
Result Codes..........................................................................................................................12.3
Basic AT Parameters..............................................................................................................12.4
Extended Commands..............................................................................................................12.5
Cellular CDMA Commands ....................................................................................................12.6
Layer 1 (Hardware) Communications ............................................................................................13.0
RS-232 Serial Port Integration Parameters...............................................................................13.1
RJ-45 Ethernet Port Integration Parameters..............................................................................13.2
Quick Reference Guide ................................................................................................................14.0
CDMA Wireless Data Modem CDM819i/CDM820 Specifications .................................................15.0
CDM819i/CDM820 Mechanical Specifications .............................................................................16.0
End Cap Frontal Views ..........................................................................................................16.1
End Cap Overhead & Profile Views........................................................................................16.2
