AT&T MERLIN LEGEND Release 3.1 System Planning Manual page 73

Lines/Trunks
Planning for lines/trunks consists of the following tasks:
1. Identifying Line/Trunk Jacks. Use the placement of modules in the
control unit (see the Control Unit Diagram on Form 1) as a guide to
determine in what order to connect trunks to the control unit. To do this,
identify the line/trunk jack types available by module and then match
trunks and auxiliary equipment with the jacks that support them.
2. Selecting Line/Trunk Options. According to the requirements of the
customer, choose from available options for the incoming trunks
connected to the system.
3. Assigning Lines/Trunks to User Extensions. Assign lines/trunks to
telephones and DLCs.
4. Assigning Telephone Buttons. Assign buttons to Hybrid/PBX mode
telephones, to Key and Behind Switch mode telephones, and to DLCs.
This chapter contains instructions for completing each of these tasks. Detailed
information about trunks is in the Equipment and Operations Reference . You
should become familiar with line/trunk types and options, as well as the
requirements of the system before you attempt to perform the procedures in this
chapter. It is also critical that you understand what services the local telephone
company can provide.
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Lines/Trunks