Touch-Tone Receivers (Ttrs) - AT&T MERLIN LEGEND Release 3.1 System Planning Manual

Numbering the System
For example, if the first module in the control unit is an 008 MLX module
that has 8 jacks, write
after Logical ID 8.
NOTE:
If your list includes an 008 OPT module, draw a line after the twelfth
logical ID, but cross off the last four logical IDs, since these jacks cannot
be used to physically connect telephone equipment. The extension
numbers of these logical IDs can be used, however, for applications
requiring phantom extensions.
2. In the Jack Type column of Form 2a, do one of the following to indicate
the type of each extension jack next to its logical ID:
If the jack is analog, check A.
If the jack is digital, check D.
If the jack is basic telephone, check B.
You are now ready to match the system telephones and other equipment to
these available jacks. After calculating touch-tone receivers as described in the
next section, begin matching equipment and jacks with "Jack for Primary
Operator Position," and proceed through the subsequent sections as
appropriate for the system.

Touch-Tone Receivers (TTRs)

Use these guidelines for calculating the system requirements for touch-tone
receivers for systems both with and without a voice messaging system (VMS).
TTRs for the system are supplied by the modules listed in Table 2–2.
Table 2–2. Modules with Touch-Tone Receivers
Module
008 OPT
012
016
400 GS/LS/TTR
400
800 DID
800 GS/LS-ID
NOTE:
A VMS cannot be directly connected to the 008 OPT module. However, the
TTRs supplied by the 008 OPT module can be used by the VMS.
2–16
Control Unit Configuration
008 MLX in the Mod. Type column and draw a line
Number of TTRs
2
2
4
4
4
2
2