Contents:
Dialing, Answering, and Hanging Up
Controlling Result Code Displays
Accessing and Configuring the Courier 56K Business Modem Remotely
Handshaking, Error Control, Data Compression, and Throughput
Displaying Querying and Help Screens
Dedicated/Lease Line and Synchronous Applications
Appendixes
Fax Information for Programmers
Courier 56K Business Modem Command Reference
Displaying Querying and Help Screens
This chapter contains information about:
Note: To view screen captures of the help screens in the following chapter, refer to the Alphabetic Command Summary appendix in this guide.
Overview
The Courier 56K Business Modem can display information such as the current settings, product code, and call duration.
Common Inquiry Commands
|
For your modem to display
|
Command
|
| Current settings |
AT14
|
| NVRAM settings |
AT15
|
| Link diagnostics summary |
AT16
|
Querying
Here is a complete list of ATIn commands.
|
For your modem to
|
Command
|
| Display a four-digit product code. |
ATI0
|
|
Perform a checksum of the modem’s read-only memory (ROM) and display the results. (This function is used only in factory testing.) The Courier 56K Business Modem should always display the same number unless the flash has been updated. |
ATI1
|
| Perform a test of the modem’s random-access memory (RAM) and display either OK (0) or ERROR (4), followed by OK when the test is completed. You may want to use this command if the Courier 56K Business Modem appears to be malfunctioning. |
ATI2
|
| Display the Courier 56K Business Modem’s banner or product title. |
ATI3
|
| Display the Courier 56K Business Modem’s current configuration. |
ATI4
|
| Display the configuration saved in nonvolatile random access memory (NVRAM). If your Courier 56K Business Modem connects to a device that has Dial Security and local access enabled, you cannot view the stored phone numbers. |
ATI5
|
|
Display a diagnostic summary. During a connection, the Courier 56K Business Modem monitors and stores information about link operations. When the call is ended, you can request a diagnostic summary. The duration of the last call or the real time is displayed, depending on the modem clock setting. For calls under data compression, the number of characters sent may be less than the number of octets sent, due to data compression operations. |
ATI6
|
| Display the product configuration. |
ATI7
|
| Lists phone numbers with redial instructions. |
ATI8
|
| Displays modem’s Plug and Play ID. |
ATI9
|
| Display the Dial Security Account Status. For security administrators only, unless local security is disabled (S53=0 or S53.2=0) |
ATI10
|
| Display a connection report that USRobotics Technical Support representatives use to help you solve problems. |
ATI11
|
|
Display caller ID information from the current call (if in progress) or the last call (if between calls). The caller ID information remains until either the modem is reset or until the modem receives another valid caller ID signal. |
ATI15
|
| Display a connection report that USRobotics Technical Support representatives use to help you solve problems. |
ATI16
|
| Display a connection report that USRobotics Technical Support representatives use to help you solve problems. |
ATI17
|
Displaying Help
The Courier 56K Business Modem provides seven Help, or command summary,
screens: basic AT command set, ampersand (&) command set, percent
(%) command set, dial command options (D), S-Registers (S), the octothorpe
(#) command set, and the +P command set.
Note: Help screens are not available when a modem makes a synchronous connection using &M6 or &M7.
| For your modem to display | Command |
| A partial summary of the basic command set | AT$ |
| A partial summary of the ampersand command set | AT&$ |
| A partial summary of S-Register functions | ATS$ |
| A partial summary of percent command set | AT%$ |
| A summary of the octothorpe command set | AT#$ |
| Help screen for dial commands | ATD$ |
| Help screen for V.92 commands | AT+P$ |
Note: To see the remainder of the screen for any given command, press any key.