Connecting the main distribution frame to stations and the public switched telephone network
Installing the Avaya S8700 Media Server with an Avaya G650 Media Gateway 159
December 2003
4-pair station circuits
Four-pair circuits, via station cables, can be run directly from an equipment room MDF to a 258A or
BR2580A adapter as shown in Figure 58, 4-pair circuit distribution and connectivity,
on page 160. The 4-
pair station cables connect the adapter to the information outlets.
The 4-pair station cables can be run directly from the equipment room to the information outlets if 4-pair
terminal blocks are used in the distribution field. See Figure 59, 4-pair run to equipment room or satellite
location, on page 160. The station cables must be field-terminated on the 110-type terminal blocks.
If 110-type terminal blocks are used with a modular plug-ended station cable, an adapter can be
connected directly to the 110-type terminal block connectors. See Figure 60, 4-pair run to equipment
room or satellite location, on page 161.
3-pair to 4-pair station circuit distribution
Figure 61, 3-pair to 4-pair satellite location connectivity, on page 162 shows the 3-pair circuit distribution
from an equipment room MDF to a satellite location using 110-type hardware. Four-pair circuits are
distributed from the satellite location to the information outlets.
Three-pair circuits can also be run directly from the equipment room MDF to a 356A adapter as shown in
Figure 62, 3-pair to 4-pair circuit distribution and connectivity,
on page 163. Four-pair station cables
connect the adapter to the information outlets. Four-pair station cables can be run directly from a satellite
location to the information outlets as previously described.
NOTE:
Bridged taps are not allowed on any part of the station wiring.
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