Modem Problems - HP ProLiant ML100 Series User Manual

If the problem no longer occurs, the original input device is defective. Replace the device.
o
Be sure the keyboard or mouse is connected to the correct
7.
lights flash at POST or the NumLock LED illuminates. If not, change port connections.
Be sure the keyboard or mouse is clean.
8.
Mode m problems
No dia l to e exists n
Action:
Be sure the cables are plugged in as specified in the modem documentation.
1.
Connect a working telephone di
2.
If n o dial tone is detected, the phone line is not working. Contact the local telephone company and
3.
arrange to correct the problem.
No res po se occurs when you type AT commands n
Action: Reconfigure the COM port address for the modem.
Be sure the communications software
1.
Check IRQ settings in the software and on the modem to be sure no conflict
2.
Type AT&F at the command prompt to reset the mod
3.
Be sure you are in terminal mode and not MS-DOS mode.
4.
Refer to the HP
5.
AT commands are not visible
Action: S et the echo command to On using the AT command
Data is displayed as garbled characters after the connection is established
Actio n:
Be sure both modems have the same settings, including speed, data, parity, and stop bits.
1.
Be sure the software is set for the correct terminal emulation.
2.
Reconfigure the software correctly.
a.
Restart the server.
b.
Run the communications software, checking settings and making c
c.
Restart the server, and then reestablish the modem connection.
d.
Modem o d es not answer an incoming call
Ac tio n :
Enable the auto-answer option in the communications software.
1.
Be sure an answering machine is not answering the line before the modem is able to
2.
Turn off the answ
a.
rectly to the wall jack, and then test the line for a dial tone.
is set to the COM port to which the modem is connected.
website (http://www.hp.com
ering machine.
port. Determine whether the keyboard
em to factory-default settings.
) for a complete list of AT commands.
.
ATE
exists.
orrections where needed.
answer.
Troubleshooting 70