Table 4-1 Remedial Action on Each Lamp Status (Continued)
CARD NAME | LAMP STATUS | FAULT CONTENT |
| REMEDIAL ACTION |
|
|
|
|
|
| RUN lamp is not flashing | Abnormal operation of | ➀ | Reset MB switch. |
|
| DAIC card |
| (Down→Up→Down) |
|
|
| ➁ | If the fault can not be cleared, |
|
|
|
| replace card. |
| LINK lamp is not on | Layer 2 link connection | ➀ | Check whether cable between |
|
| failure between DAIA and |
| DAIA and DAIB is correctly |
|
| DAIB |
| connected. (Refer to |
|
|
|
| CHAPTER 3, Section 2.3.) |
|
|
| ➁ | Reset MB switch |
|
|
|
| (Down→Up→Down) |
|
|
| ③ | Check whether cable between |
|
|
|
| DAIC cards is correctly |
|
|
|
| connected. (Refer to |
|
|
|
| CHAPTER 3, Section 2.3.) |
| RED lamp is on | PCM signal loss or Frame | ➀ | Check whether cable between |
|
| Alignment signal loss |
| DAIC cards is correctly |
|
|
|
| connected. (Refer to |
|
|
|
| CHAPTER 3, Section 2.3.) |
| RMT lamp is on | Remote alarm | ➀ | Check whether cable between |
|
|
|
| DAIC cards (sending side) is |
|
|
|
| correctly connected. (Refer to |
|
|
|
| CHAPTER 3, Section 2.3.) |
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Revision 2.0
