AT&T MERLIN LEGEND Communications System Key System Planning Forms Errata Key System Planning page 6

Key System Form 1
Size of Processor Module
Small — maximum 24 lines and/or 56 stations
Large — maximum 80 lines and/or 144 stations
Capacity
Lines
Module Number of
Type Modules
400
800
408
400 GS/LS/TTR
800 GS/LS
408 GS/LS
400EM
100D
System Totals
* The 100D module has one physical jack that supports 24 lines.
Stations
Module Number of
Type Modules
008 MLX
008
408
408 GS/LS
012
008 OPT
System Totals
* The 008 OPT module is assigned 12 extension numbers although there are only 8 physical station jacks.
System Planning
Lines Total Lines
Supported by Module
Type
by Module
x
4
x 8
x
4
x 4
x
8
x
4
x 4
x 24 *
Physical Physical Jacks
Jacks per by Module
Type
Module
x 8
x
8
x
8
x 8
12
x
x 8
Station Total Station
Extensions Extensions
Assigned
Assigned
x 2
x 1
x
1
x 1
x 1
+ ( x 4) *
1