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| Title | Size | Download |
|---|---|---|
| 05-Modem Management Configuration | 54.92 KB |
This chapter describes how to manage and control the modem connected to the router.
Managing a modem
To manage a modem:
|
Step |
Command |
Remarks |
|
1. Enter system view. |
system-view |
N/A |
|
2. Enter user interface view. |
user-interface { first-num1 [ last-num1 ] | aux first-num2 [ last-num2 ] } |
N/A |
|
3. Enable modem call-in/call-out. |
modem { both | call-in | call-out } |
Modem call-in and call-out are denied by default. |
|
4. Set the maximum interval allowed between picking up the handset and dialing when a user tries to establish a connection. |
modem timer answer time |
Optional. 60 seconds by default. |
|
5. Set the modem to work in auto-answer mode. |
modem auto-answer |
Optional. If the modem answer mode configured is not consistent with the actual answer mode of the modem, the modem may operate improperly. Do not perform the operation unless absolutely needed. Non-auto answer mode by default. |
|
6. Return to system view. |
quit |
N/A |
|
7. Enable modem callback. |
service modem-callback |
Optional. Disabled by default. |
Troubleshooting
Symptom
Modem is in abnormal status (for example, the dial tone or busy tone keeps humming).
Solution
· Use the shutdown command and undo shutdown command on the router physical interface connected to the modem to check whether the modem has been restored to normal status.
· If the modem is still in abnormal status, you can re-power the modem.
