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500-19-54 Dual Channel Telephone Interface
Issue 1.2 Trilogy Communications Limited Page 7 of 19
2. SYSTEM DESCRIPTION
2.1 Features
The telephone unit is a 1U unit containing a power supply and three printed circuit cards; these
provide one or two channels of telephone interface.
The digital hybrid card has smart algorithms to enhance line cancellation and reduce line howl
round.
It has software controlled parameters pre-set in the factory.
The front panel controls are simple to use and there are indicators to show the status.
Digital Hybrid Card
Mercury / Commander TIC Card