AT Command Manual for Sierra MC87XX Module
Table Of Contents
- 1: About This Guide
- 2: AT Password Commands
- 3: Modem Status, Customization, and Reset Commands
- 4: Diagnostic Commands
- 5: Test Commands
- 6: Memory Management Commands
- 7: Voice Commands
- 8: GPS Commands
- 9: STK Commands
- Appendix A: Test Frequencies / Channel Lists
- Appendix B: HSDPA / HSUPA Categories
- Appendix C: ASCII Table
- Appendix D: Module Customization
4
Rev 2.9 Oct.08 55
4: Diagnostic Commands
• Introduction
• Command summary
• Command reference Introduction
Thischapterdescribescommandsusedtodiagnosemodem
problems.
Command summary
Thetablebelowliststhecommandsdescribedinthischapter.
Command reference
Table 4-1: Diagnostic commands
Command Description Page
!CMUX Implement multiplexing mode 55
!CMUXLPBK Configure ports into loopback mode / query loopback state 56
!ERR Display diagnostic information 57
!GBAND Read / set the current operating band 58
$QCPDPP Set / query PDP-IP connection authentication parameters 59
$QCTER Query / set TE-DCE baud rate 59
!RXDEN Enable / disable WCDMA receive diversity 60
!UMTSCHAN Query / set Priority UMTS Channel Selection state 61
Table 4-2: Diagnostic command details
Command Description
!CMUX
Supporting Mini Cards:
• All
Implement multiplexing mode
This command implements the functionality of +CMUX (27.007 standard
command). It is provided to ensure command consistency with Sierra
Wireless CDMA modules.