Installation with Windows 98 User Manual
Troubleshooting 24
1. Select Test Terminal from the Comtrol program group. The program window appears:
2. Select Open Port from the Port menu. A list of possible COM port numbers appears.
3. Select the COM port you want to test, for example, COM5.
Note:
Make sure the loop button is off for the following tests. See the online help for more details.
Test 1: Verify that the modem responds
1. Type
atz
. This should return an OK.
2. Type
at&v
. This should display the modem configuration.
Test 2: Test calls from the modem to a telephone.
1. Connect the modem to a phone line.
2. Type
atdt
phonenumber (where the phonenumber is an ordinary telephone). The telephone should ring.
Test 3: Call from modem to modem.
1. Type
+++ath
to hang up.
Note: Make sure that data sending is done before and after using the +++ command.
2. Connect two modems to phone lines, open two Test Terminal sessions, and use one modem to call the
other. Send typed characters from one modem to the other.