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POST INSTALLATION TEST
Repair Procedure When LED Indicates Abnormality
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2.Line Loopback
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3.Payload Loopback
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| 1 Internal |
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| 2 | External loopback |
| 3 | Payload | Other Node | |||
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| Loopback |
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| (Line Loopback) |
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| loopback | |||
TDSW Interface | DTI pkg |
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PAD | Speech Path Control Block | Framer | Line Interface |
| FUSION |
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| Line Interface | Framer | Speech Path Control Block | PAD | TDSW Interface | |
| Network |
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| front cable |
| Analysis Method |
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| FCH card | Result of ➀ | NG: |
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| has errors | |||||
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| Result of ➀ | OK, ➁ | NG: |
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| Line has errors |
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| Sending Test |
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| Data Pattern |
| Result of ➀ | OK, ➁ | OK: ➂ | NG: | Other Node has errors |
Figure 6-4 Loopback Points of DTI Card
CHAPTER 6 |
Page 136
Revision 3.0