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| LIST OF FIGURES |
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Figure | System | 25 | Digital | Switch | |||||||||||
Figure | Call | Processor | (ZTN82 | or ZTN128) Circuitry | |||||||||||
Figure | Memory | (ZTN81 | or |
| ZTN127) | Circuitry | |||||||||
Figure | |||||||||||||||
Figure | TDM | Bus | Diagram |
| - | Three Cabinet System | |||||||||
Figure | Connected |
| to | System 25 Via the Call Processor and Port |
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| Circuit | Packs | (Sheet |
| l | of | 3) | |||||||
Figure | Port | Circuit | Pack | Common | Circuitry | ||||||||||
Figure | Unique | Ground | Start | Trunk | (ZTN76) Circuitry | ||||||||||
Figure | Unique | Loop | Start | Trunk | (ZTN77) Circuitry | ||||||||||
Figure | Unique | Tip | Ring | Line |
| (ZTN78) Circuitry | |||||||||
Figure | Unique | ATL | Line | (ZTN79) Circuitry | |||||||||||
Figure | Unique | Data | Line | (TN726) Circuitry | |||||||||||
Figure | Unique | MET |
| Line |
| (TN735) Circuitry | |||||||||
Figure | Unique | Analog | Line | (TN742) | Circuitry | ||||||||||
Figure | Unique | DID | Trunk |
| (TN753) Circuitry | ||||||||||
Figure | Unique | Tie | Trunk |
| (TN760B) Circuitry | ||||||||||
Figure | |||||||||||||||
Figure | Unique | Auxiliary | Trunk | (TN763) Circuitry | |||||||||||
Figure | Service | Circuit | (ZTN85) | ||||||||||||
Figure | Tone | Detector | (TN748) |
| Circuit | ||||||||||
Figure | Pooled | Modem (TN758) Circuit | |||||||||||||
Figure | System | Software | Partitioning |
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