AT&T MERLIN LEGEND Release 3.1 System Manager's Manual page 81

Control Unit
Table 3–1, Continued
Line/
Module Trunk
800 BRI
*
NI-BRI
†
400 LS and TTR Capacity: 4 lines/trunks, 4 TTRs, 1 power-failure transfer (PFT) telephone
400EM Tie trunk
400 GS/LS LS or GS
and TTR
†
408 LS
408 GS/LS LS or GS
408 GS/LS- LS or GS
‡
MLX
†
800 LS
800 DID DID and
TTR
800 GS/LS LS or GS
and TTR
800 LS or GS
§
GS/LS-ID
* This module is not compatible with releases prior to Release 4.0.
†
Although these MERLIN II modules are 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.
‡
This module is not compatible with releases prior to Release 2.0.
§
This module is not compatible with releases prior to Release 3.0.
Description
Capacity: 8 BRIs, each with 2 B-channels ("virtual" lines) for voice and
data and 1 channel used for signaling.
Supports: See section "800 NI-BRI" module for details. Voice, data,
video, and other services at 64 kbps over standard ISDN lines/trunks.
Supports: A PFT telephone
Capacity: 4 tie trunks
Capacity: 4 lines/trunks, 4 TTRs, 1 PFT telephone
Supports: A PFT telephone with ground-start (GS) button
Capacity: 4 lines/trunks, 8 extensions, 1 PFT telephone
Supports: Analog multiline telephones; CMS; a PFT telephone
Capacity: 4 lines/trunks, 8 extensions, 1 PFT telephone
Supports: Analog multiline telephones; CMS; PFT telephone (GS button
needed)
Capacity: 4 lines/trunks, 1 PFT telephone, 8 digital extension jacks for
MLX extensions, including:
— MLX voice only
— MLX voice with Voice Announce to Busy
— MLX voice and ISDN terminal adapter
— MLX voice and MFM with T/R adjunct
— ISDN terminal adapter only
Capacity: 8 lines, 2 PFT telephones
Supports: 2 PFT telephones
Capacity: 8 lines/trunks, 2 TTRs
Capacity: 8 lines/trunks, 2 PFT telephones
Supports: 2 PFT telephones with ground-start (GS) button
Capacity: 8 lines/trunks, 2 PFT ports; 2 TTRs
Supports: Caller ID (ground-start trunks only) that, if you subscribe to
caller identification from the local phone company, displays the numbers
of incoming callers (from supported areas) on MLX display phones.
System Components
3–7