DEFINITY Made Easy Tools
Issue 3, December 2001

Install and Wire Telephones

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Three-Pair and Four-Pair Modularity

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3-Pair and 4-Pair Modularity is from the port circuit pack to the voice or data terminal. Refer to Install Telecommunications Cabling for descriptions of 3- and 4-pair modularity and distribution.

Most terminals connect to an information outlet (modular jack) installed at the work location. Make the connections from the port circuit pack to the modular jacks, as shown in 3-Pair and 4-Pair Modularity. Then, plug the terminal into the modular jack.

Adjunct Power Connection Locations shows three methods of connecting adjunct power.

3-Pair and 4-Pair Modularity

Figure Notes:

1. Port Circuit Pack


2. System Cabinet Connector Pins
   (3-Pair Modularity)


3. Main Distribution Frame (MDF) Pins
   (3-Pair Modularity)


4. Input to Information Outlet (4-Pair Modularity)


5. Adjunct Power


6. Output From Information Outlet (4-Pair Modularity)


7. Voice or Data Terminal Pins

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Copyright� 2001 Avaya Inc.

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