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MERLIN LEGEND Communications System Release 7.0
Pocket Reference
555-670-116
Issue 1
April 1999
74
Ordering Codes
Control Unit Modules
—Continued
Module Trunk Type Extension Type
100D
1
1 For newer vintages of this module, firmware can be upgraded by using a
PCMCIA card.
T1 or PRI T1 emulates 24 lines/trunks: loop-start,
ground-start, tie, and Direct Inward Dial
(DID; Hybrid/PBX mode only); can also
supply subscriber services. In Release 4.0
and later, T1 can also provide high-speed
(56K) data communications and digitally
emulated tie trunks for data
communications. PRI supports subscriber
services, allows high-speed digital data
communications, and includes special
features.
400 LS
2
2 Although this MERLIN
®
II modules is supported, the following are
recommended for the system: 400 GS/LS, 408 GS/LS, 408 GS/LS-MLX,
800 GS/LS, and 800 GS/LS-ID.
Loop-start
and TTR
1 PFT telephone
400EM Tie trunk N/A
400 GS/LS Loop-start or
ground-start
and TTR
PFT telephone (button needed for
ground-start PFT telephone)
408 (LS-ATL)
2
Loop-start Analog multiline telephones; CMS; 1 PFT
telephone
408 GS/LS Loop-start or
ground-start
Analog multiline telephones; CMS; 1 PFT
telephone with GS button