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DEFINITY Enterprise Communications Server Release 6
Installation and Test for Compact Modular Cabinets
555-230-128
Issue 3
May 1998
Install and Cable the Cabinets
Page 1-63Install and Wire Telephones and Other Equipment
1
3-Pair and 4-Pair Modularity
Figure 1-31 shows 3-pair and 4-pair modularity from the port circuit pack to the
voice or data terminal. Most terminals connect to an information outlet (modular
jack) installed at the work location.
Figure 1-31. 3-Pair and 4-Pair Modularity
Figure Notes
1. Port circuit pack
2. 25-pair connector pins (3-pair
modularity)
3. MDF pins (3-pair modularity)
4. Input to information outlet (4-pair
modularity)
5. Output from information outlet (4-pair
modularity)
6. Voice or data terminal pins
7. Adjunct power
widf3pm RPY012098
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