White Paper
July 1999
0203-0799-A
Prepared by
Portable Marketing Services
Compaq Computer Corporation
Contents
Using Modem Commands ..........3
Entering a Command.................3
Editing and Executing a
Command...............................3
Omitting a Parameter in a
Command Line.......................3
Repeating a Command..............3
Understanding Result Codes.....4
Using Online Mode ....................4
Escaping from an Online
Session to the Command
Mode ......................................4
Creating a Command Mode
Shortcut..................................4
Creating a Command Mode
Icon ........................................4
AT Command Set ........................6
AT Data Command Set
Summary................................6
Result Code Summary...............7
AT Command Descriptions........9
S Registers.................................24
Setting S Register Default
Values ..................................24
Modifying an S Register...........24
Reading an S Register.............24
S-Register Summary ...............25
S-Register Descriptions ...........26
Compaq Global Mini PCI 56k (V.90)
Modem by 3Com
Compaq Global Mini PCI 10/100
LAN + 56k (V.90) Modem by 3Com
Modem Commands
Abstract: This document includes comprehensive coverage of the
following topics:
•
AT command set used to control modem functionality at an
advanced level
•
S-registers used to control modem functionality at and advanced
level