COURIER HIGH SPEED MODEMS
TESTING THE INSTALLATION
Use the following procedures to verify that your modem is working properly.
1.Turn on your computer or terminal. Then turn the Courier's power switch ON. The following front panel indicators, or LEDs, will light up on the modem.
CD | Carrier Detect, if you have set DIP switch 6 ON, |
| enabling the CD override |
TR | Data Terminal Ready, if you have set DIP switch 1 |
| ON, enabling the DTR override |
MR | Modem Ready/Power ON |
CS | Clear to Send |
2.If you're using a personal computer, load your software to start the program. Set your terminal or software to 19.2K bps or 9600 bps. In addition, set a word length of either 7 bits plus 1 parity bit, or 8 bits with no
3.Perform the function that lets you send AT commands to the modem, that is, puts the computer in Terminal mode. Some communications programs do this automatically upon loading. Others require you to display a communications or terminal screen, type a Function key, or perform some other operation.
Review your communications software documentation for instructions.
4.Send the following attention command. Type either upper or lower case letters, not a combination, and then press the Enter (Carriage Return) key, shown in the example below between angle brackets. (Don't type the angle brackets.)
AT <Enter>
If everything is correct, the modem responds as follows:
OK
Go on to step 5.
