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| 3.5 Information about the Physical Trunk Cards |
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| Indication | Colour | Description | |
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| SYNC | Green | Synchronisation status indication | |
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| • | OFF: Not synchronised |
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| • | ON: Synchronised |
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| • Flashing (60 times per minute): Synchronised (Clock Master) | |
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| Green | Data link status indication | ||
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| • | OFF: Not established |
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| • | ON: Established |
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Maximum Cabling Distance of Extension Connection
The maximum length of the extension cable that connects the PRI23 cards is shown below:
Diameter | Maximum Distance |
0.5 mm: | 200 m |
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