If the Telos equipment is purchased separately (i.e. not via Trilogy) it is important to specify
to your supplier that the equipment is for connection to a Trilogy Orator system. This allows
the correct software versions and hardware modifications to be fitted.
A typical system interconnection diagram is given below.
5.3 RT Equipment
Radio Talkback equipment may be supplied by Trilogy as part of a complete system. It is not
manufactured by Trilogy and will be supplied with the original equipment manuals.
The usual configuration consists of one or more Base Stations and a number of portable
transceivers. The Base Stations are connected to the matrix using normal 4 wire audio ports
according to the pin-out information in Section 2.
5.4 ISDN Interface (500-22-00)
The Trilogy ISDN interface is connected in the same manner as the Telos Hybrid (see
Section 5.2). The 1U package contains two 64k-bandwidth channels, which may be used
independently or as a single ISDN2 (128k) bandwidth channel.
To make correct use of the available bandwidth, two separate telephone interface cards
(500-19-10) should be allocated, along with two matrix ports. It is possible to request two
independent incoming telephone numbers, either via your in-house switchboard of (if
appropriate) from your Telecommunications Supplier. In this way, incoming calls can be
directed to either Bearer 1 or 2 and outgoing calls will be connected to the first available
Bearer. Careful programming within the telephone groups area of PathFinder Lite is required
to obtain the best results.
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