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| Chapter 4. Trunks and Lines | ||
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Table |
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| Trunk | Fractional T1 | Fractional T1 | |
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| using 16 | using 8 Channels |
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| Channels |
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| 1 | Analog trunk 1 | Analog trunk 1 | Analog trunk 1 |
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| ↓ | ↓ | ↓ | ↓ |
| 8 | Analog trunk 8 | Analog trunk 8 | Analog trunk 8 | |
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| 9 | T1 channel 24 | Analog trunk 9 | Analog trunk 9 |
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| ↓ | ↓ | ↓ | ↓ |
| 16 | T1 channel 17 | Analog trunk 16 | Analog trunk 16 | |
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| 17 | T1 channel 16 | T1 channel 16 | Analog trunk 17 |
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| ↓ | ↓ | ↓ | ↓ |
| 24 | T1 channel 9 | T1 channel 9 | Analog trunk 24 | |
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| 25 | T1 channel 8 | T1 channel 8 | T1 channel 8 |
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| ↓ | ↓ | ↓ | ↓ |
| 32 | T1 channel 1 | T1 channel 1 | T1 channel 1 | |
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Trunk Assignments for Double-Cabinet Systems
•When T1 is used in a
The following table shows the maximum number of T1 channels that can be assigned in
Table
System Size | Master | Slave |
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DBS 40 + DBS 40 | 8 analog trunks | 16 T1 trunks |
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DBS 72 + DBS 72 | 16 analog trunks | 24 T1 trunks |
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DBS 96 + DBS 40 | 24 T1 trunks | 16 T1 trunks |
| 8 analog trunks |
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DBS 96 + DBS 72 | 24 T1 trunks | 24 T1 trunks |
| 8 analog trunks |
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DBS 96 + DBS 96 | 24 T1 trunks | 24 T1 trunks |
| 8 analog trunks | 8 analog trunks |
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•
DBS Manual - Revised April 2000 |