HP DL360 - ProLiant - Photon, Reference And Troubleshooting Manual

Page: 130 / 246

130 HP ProLiant DL360 Generation 4 Server Reference and Troubleshooting Guide
No response occurs when you type AT commands.................................................................... 130
AT commands are not visible..................................................................................................... 131
Data is displayed as garbled characters after the connection is established ............................... 131
Modem does not answer an incoming call ................................................................................. 131
Modem disconnects while online ............................................................................................... 132
AT command initialization string is not working....................................................................... 132
Connection errors are occurring ................................................................................................. 132
You are unable to connect to an online subscription service...................................................... 132
You are unable to connect at 56 Kbps........................................................................................ 133
No dial tone exists
Action:
1. Be sure the cables are plugged in as specified in the modem documentation.
2. Connect a working telephone directly to the wall jack, and then test the line
for dial tone.
3. If no dial tone is detected, the phone line is not working. Contact the local
telephone company and arrange to correct the problem.
Modem does not connect to another modem
Action:
1. Be sure a dial tone exists ("No dial tone exists" on page 130 ).
2. Be sure the line is not in use at another extension before using it.
3. Be sure you are dialing the correct telephone number.
4. Be sure the modem on the other end is working.
No response occurs when you type AT commands
Action: Reconfigure the COM port address for the modem.
1. Be sure the communications software is set to the COM port to which the
modem is connected.
2. Check IRQ settings in the software and on the modem to be sure no conflict
exists.
3. Type
AT&F
at the command prompt to reset the modem to factory-default
settings.