T1 FIBER OPTIC LINE EXTENDER/SIMULATOR
Table
Number | Setting | Description | |
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8 | Sample mode for incoming intermediate frequency (I/F) data | ||
| Data sampled on positive clock edge (std.) | ||
| Data sampled on negative clock edge | ||
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9 | Interface Mode |
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| NT (Network Termination) | ||
| TE (Terminal Equipment) | ||
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10 | Interface Pin 1 Potential | ||
| Floating |
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| Connected to frame ground | ||
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11 | Transmission Mode | ||
| Switch setting is mandatory. | ||
| Switches 1, 2, and 4 must be in OFF position. | ||
| Switch 3 must be in ON position. | ||
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12 | Test connector. Do not install any jumpers! | ||
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| Table | ||
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FO/S LED |
| Meaning | |
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Off |
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| No power supplied. |
Slow Flash (1.5/s) |
| No fiber optic link established. | |
Fast flash (5/s) |
| Fiber optic link OK but no clock sync. | |
On |
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| Fiber optic link OK and clock sync OK. |
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