Chapter 3
Troubleshooting
Troubleshooting Procedures
Error | Possible |
|
Event | Cause | Remedy |
|
|
|
The B1 LED is | The RAM is | Consult your dealer. |
always lit after | defective. |
|
power up |
|
|
|
|
|
The B2 LED is | The ISDN chip is | Consult your dealer. |
always lit after | defective. |
|
power up |
|
|
No dial tone from | 1. Can not | 1. Ensure that the |
ISDN switch or | activate S0 | ISDN S0 line is |
PABX |
| securely connected |
|
| to the |
| 2. No B channel | 2. Ensure no other |
| available | device is on the |
|
| same S0 line and |
|
| occupying the B |
|
| channel. |
|
|
|