149
Installing and Wiring Telephones
October 2002
3-Pair and 4-Pair Modularity
Adjunct Power Connection Locations
‘‘Example Adjunct Power Connections’’ on page 150
shows typical connection locations for
adjunct power. Adjunct power for station equipment may be supplied from the equipment room,
satellite location, or the work location.
For this figure, the following example is used:
1 If 25 telephones are connected to the media gateway and all 25 telephones need adjunct
power, install a bulk power supply in the equipment room.
2 If only ten of the telephones need adjunct power, install a bulk power supply at the
satellite location.
3 If only one telephone needs adjunct power, install the individual power supply at the
work location.
Figure notes
1 Port Circuit Pack
2 Media Gateway 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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