Line Connections - AT&T MERLIN LEGEND Reference

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Line Connections

Line Jack Types
The line jack type is determined by the type of module. The line jack type for the
800 CO-BRI module is BRI. Auxiliary equipment such as Music-On-Hold,
loudspeaker paging, and maintenance alarms cannot be connected to BRI line
jacks.
Planning Form Instructions — System Form 2c, System Numbering-Trunk
Jacks
For each 800 CO-BRI module, write "BRI" under "Jack Type. "
Jacks for Outside Lines
Each of the 16 BRI lines on the 800 CO-BRI module is associated with a logical
ID and a line number in the System Numbering Plan. For example, if the 800 CO-
BRI module is placed in slot 01 of the control unit, the 16 BRI lines are
automatically assigned logical IDs 1 through 16 and dial plan numbers 801
through 816. Figure 1-4 shows the directory and dial plan mapping,
The logical ID is shown under the "Log. ID" column and the line numbers are
shown under the "Trunk No. " column.
Planning Form Instructions —System Form 2c, System Numbering-Trunk
Jacks
1. Using the completed "Control Unit Diagram" from System Form 1, write "800
CO-BRI" and its slot number in the "Module Type and Slot No." column and
draw a line across the column to indicate the 16 logical IDs and trunk jacks
that correspond to that module.
2. Write "BRI" under "Jack Type."
3. Using the BRI line information from the local telephone company, write the
type of line in the "Incoming Trunk Type" column:
Write "Main No. " to indicate the main telephone number.
Write "Personal Line" to indicate a BRI line used as a personal line.
Write "unequipped" to indicate a trunk jack not used at this time, and
enter the information when the BRI line is ordered.
Line Connections
4-6

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