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| CHAPTER 4: Setup |
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| Table | |
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| Number | Setting | Description |
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| 1 |
| Loop Mode Key: Press the key switches through the |
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| following operating modes: Normal operation, Digital |
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| loop, Remote loop. The unit enters loop mode when the |
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| distant modem gets switched to remote loop. |
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| 2 |
| Clock Source |
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| Internal |
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| Remote |
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| External |
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| 3 |
| Interface Speed |
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| Position D | 1.544 kbps |
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| 1544 |
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| All other settings are not applicable. |
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| 4 |
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| 5 |
| Processor Connector |
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| Not used. Do not install any jumpers! |
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| 6 |
| For factory use only. Do not install any jumpers! |
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| 7 |
| Fiber Optic Output Power |
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| Low |
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| High |
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11