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The remote site ABM shelf, operating on the latest AccessNode software
release, contains the OC-12 VTBM ring connections. VTBM services include:
•
DS1
•
DS3
•
OC-3 tributaries
•
DS0 based services
— 2W (POTS, CENTREX, ISDN)
— 4W (DDS)
— 6/8W (4WE&M, PLR)
A typical MBP VTBM ring remote can support up to 192 DS0 lines and 168
DS1 lines in one master cabinet. An expansion cabinet supporting up to an
additional 480 DS0 lines can be added for a total of 672 DS0 lines.
Figure 2-1 illustrates a typical OC-12 VTBM fiber ring configuration.
Digital fiber access
The digital fiber access configuration incorporates a fiber central office
terminal (FCOT) that contains equipment that multiplexes the traffic and
transports it via fiber optic cable to a remote fiber terminal (RFT).
Figure 2-2 illustrates a typical digital fiber access configuration.
AccessNode Modular Business Package VTBM Ring User Guide P0904244 Issue 1.0
Introduction to equipment and cabling configurations 2-3
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