User's Guide

SB300 Series Modems User’s Guide
Page vi Proprietary and Confidential 2110059 Rev 1.1
The Operational View
3. Software Installation....................................................................11
3.1. Introduction..................................................................................................... 11
3.2. Installing Software on the Host ....................................................................... 11
3.3. Configuration using WirelessExpert............................................................... 12
3.4. About Watcher ................................................................................................ 13
3.5. Using Watcher for Modem Setup....................................................................13
3.5.1. Configuring Watcher ........................................................................ 13
3.5.2. Configuring Cellular Settings using Watcher..................................... 14
3.6. Monitoring CDPD With Watcher ................................................................... 15
3.7. About the Watcher Program Window ............................................................ 16
3.7.1. Icon Status ....................................................................................... 16
3.7.2. Watcher Menus and Commands........................................................ 16
3.7.3. Toolbar Buttons................................................................................ 18
3.7.4. Status Indicators............................................................................... 18
3.7.5. Updating Status Indicators................................................................ 18
3.7.6. Quitting Watcher.............................................................................. 18
3.8. Updating Modem Firmware............................................................................ 19
4. Basic Modem Operation..............................................................21
4.1. Introduction..................................................................................................... 21
4.2. Modem Modes and States ...............................................................................21
4.2.1. Modes .............................................................................................. 21
4.2.2. States ............................................................................................... 21
4.2.3. Conditions........................................................................................ 22
4.3. Modem Communications with the Host (DTE) .............................................. 22
4.3.1. Fixed Rate Setting (+IPR)................................................................. 22
4.3.2. DTE Communication Options........................................................... 22
4.3.3. DTR Signal Handling ....................................................................... 23
4.3.4. DSR Signal Control.......................................................................... 23
4.3.5. Local Flow Control ..........................................................................23
4.3.6. Result Code Formats ........................................................................ 24
4.4. Communication Protocols and Stacks ............................................................ 24
4.4.1. SB300 Series Internal Protocol Stacks ..............................................25