Specifications

Control Unit Modules (continued)
Module
Line/Trunk
Type
Station Type
100D
T1 or PRI
N/A
400
†
Loop-start
Power failure transfer
and TTR
(PFT) telephone
400EM
Tie trunk
N/A
400 GS/LS/TTR
Loop-start
PFT telephone; button
or ground-
needed for ground-start
start and
PFT telephone
TTR
408
†
Loop-start
Analog multiline
telephone; Call
Management System;
PFT telephone
408 GS/LS
Loop-start Analog multiline
or ground-
telephone; Call
start Management System;
PFT telephone
† Although these MERLIN II modules are supported in the
MERLIN LEGEND Communications System, the 400 GS/LS and
the 408 GS/LS are the recommended modules.
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