Lucent Technologies MERLIN LEGEND 6 - Manual (Page 70)

MERLIN LEGEND Communications System Release 6.0
System Manager’s Guide
555-660-118
Issue 1
February 1998
About the System
Page 2-18 Components
2
Components 2
The system includes the following components:
■ Control Unit. The circuitry that manages the switching activities of the
telephone company’s trunks and your system. It consists of
carriers into
which modules (circuit packs) are inserted. The module types include a
processor module (the “brain” of the system), a power supply module, and
a variety of line/trunk or extension modules with jacks for connecting the
incoming trunks and the extension lines. The following section explains
line/trunk and extension modules in more detail.
A plastic cabinet (the cover) protects the control unit.
■ Telephones. Single-line, cordless, cordless/wireless, and analog multiline
telephones, as well as digital MLX telephones that offer a variety of
features and advanced capabilities. Most MLX telephones have displays
that show call information, list features for using the telephone, and provide
menu-driven programming instructions. MLX telephones include the
following: MLX-5, MLX-5D, MLX-10, MLX-10D, MLX-10DP, MLX-16DP,
MLX-20L, and MLX-28D.
■ System Operator Consoles. Telephones programmed to handle a variety
of operator functions. Types of consoles include:
— Analog or MLX Direct-Line Console (DLC). Outside lines are assigned
to individual buttons, and the console can have several calls ringing at
the same time. Only certain MLX telephones and analog multiline
telephones can be used as DLCs.
Table 2–1. Continued
Key Mode Hybrid/PBX Mode Behind Switch Mode
Comments All users need multiline
phones.
Line assignments can be
customized by phone or
groups of phones. For
example, you can assign
tie trunks only to the
telephones where they
are needed.
Provides the most efficient
use of outside trunks. The
Automatic Route
Selection (ARS) feature
can be programmed for
the cost-effective use of
pools and the greatest
protection against toll
fraud. Provides greater
functionality for single-line
phones than other modes.
Fewer line buttons
required for users. Users can have access to
most features of both the
local system and the host
system. Single-line phones
can be used.