Install and Wire Telephones
Task List: Typical Emergency Transfer Panel and Telephone Installation
546
SI Installation and Upgrades
June 2004
Figure 216: 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