Operating instructions

TransTel Model TD-824-I Digital Telephone System – System Installation
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System Installation - Introduction
This section provides directions for installing the system and optional equipment.
The installation must be performed by qualified service personnel.
Main components of the system are:
NOTE: Please follow the directions step by step. The TD-824i system should be installed in strict accordance with
this manual.
Key Service Unit, which includes:
• Power Supply Unit (TD-PWU)
• Main Board Unit (TD-MBU / Common Control
and four digital twin port circuits)
• Trunk Unit (TD-TKU / TD-SIU)
Optional Expansion Cards:
• Trunk Card (TD-TKU / TD-SIU)
• Digital Station Card (TD-STC – four digital twin port
circuits)
• Single Line Station Card (TD-SLC – eight single
line port circuits)
• Conference Card (TD-CFC)
• Multi-Service Card (TD-MSC)
• Voice Service Card (TD-VSC)