AT&T MERLIN LEGEND Communications System PBX System Planning Manual page 45

Control Unit
Station Jack Pairs
2-16 System
Numbering
Planning Form Instructions
Use the "Control Unit Diagram" on Form 1 to determine which station jacks
can be used as operator positions:
1 .
Circle the first and fifth station jacks on each digital or analog module on
the "Control Unit Diagram" until you have reached the maximym eaight
positions.
2 .
Mark the station jacks to be used as additional operator positions on
Form 2a.
If the system does not have QCCs, go to step 5.
3 .
Write the "QCC" beside the preprinted logical ID for each additional QCC
position. Be sure to assign QCCs to only the first and fifth station jacks on
each digital module.
4 .
Write the name or location of each additional QCC operator in the
"Person, Location, or Function" column.
5 . Write "DLC" beside the preprinted logical ID for each additional DLC
position. Be sure to assign DLCs to only the first and fifth station jacks on
each digital or analog module.
6.
Write the name or location of each additional DLC operator in the "Person,
Location, or Function" column.
7 .
If the system includes Call Management System(s), write "CMS" in the
"Person, Location, or Function" column next to the logical ID for the two
DLC positions assigned for each CMS.
Use these instructions only if the system has analog multiline telephones.
Two
of the optional features
station jack:
Voice Announce to Busy.
an announcement through the speaker even though he or she is on a call.
(MLX telephones can also use this feature but do not need an additional
station jack. Single-line telephones cannot use this feature since they do not
have speakers.)
Simultaneous Voice and Data.
use the telephone and a data terminal at the same time. (MLX telephones
have this feature without requiring a second station jack.)
An analog muitiline telephone with either one of these features requires two
consecutive analog station jacks on the control unit. The jacks are an odd-
numbered analog station jack and the next higher (even-numbered) analog
station jack.
for analog multiline telephones require an additional
A user whose telephone has this feature can hear
A user whose telephone has this feature can