Avaya 03-300686, Установка и подключение, Страница: 44 / 156

MDF connections to stations and the public switched telephone network
44 Installing and Connecting the MDF and Telephones
Satellite locations using 110-type hardware
Each terminal block has a 3-pair (white field) and a 4-pair (blue field) located on the same
terminal block.
The 110A-type terminal block that can be used is the 110AE1-75FT. It must be field-terminated
to both the white and blue fields.
The 300-pair 110P-type terminal blocks that can be used are:
●
110PE1-300CT/FT — 25-pair connector on the white field and field-terminated on the blue
field
●
110PE1-300FT — Field-terminated on both the white and blue fields
The 900-pair 110P-type terminal blocks that can be used are:
●
110PE1-900CT/FT — 25-pair connector on the white field and field-terminated on the blue
field
●
110PE1-900FT — Field-terminated on both the white and blue fields
Site locations
Site locations are closets that provide a point in the station wiring for the administration of
remote powering. Adapters are used at site locations to terminate the 25-pair station cables and
provide connection points (modular jacks) for power adapters and 4-pair station cables.
The 258A and BR2580A adapters plug into a 25-pair female cable connector. These adapters
divide the 25-pair cable into six 4-pair (modular jack) circuits. See
Figure 23: 258A and
BR2580A Adapters on page 50.
The 356A adapter plugs into a 25-pair female cable connector. See Figure 24: 356A
Adapter on page 51. The 356A adapter divides the 25-pair cable into eight 3-pair circuits.
Although the circuits are 3-pair, the adapters modular jacks will accept the 8-wide modular plug
used on the 4-pair station cable.
!
CAUTION:
CAUTION:
Adapters wired similarly to the 356A should not be used. Their jacks do not
accept 4-pair plugs.
Station circuit distribution from equipment room
This section explains the station circuit distribution from the equipment room to the information
outlets for new wiring installations. Example connection diagrams are provided to show the
options for running and connecting the station cables.