Lucent Technologies 555-230-128 User Manual
DEFINITY Enterprise Communications Server Release 6
Installation and Test for Compact Modular Cabinets
Installation and Test for Compact Modular Cabinets
555-230-128
Issue 3
May 1998
Install and Cable the Cabinets
Page 1-63
Install 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.
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 RPY 012098
1
1
2
3
3
4
5
6
2
26
27
28
1
3
4
5
6
2
7
7
7
8
8
8
1
3
4
5
6
2
1
3
4
5
6
2