Avaya Index Digital Subscriber Line Cassette 8 Extension (Refurbished)

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The Avaya Index DSLC provides the interface for up to 32 of INDeX's Digital Terminals (a range of five handsets). The full range is as follows; 2010, 2030, 2050, 2060 and 20CC. These are described in detail in the Terminals section. There are four variants of the DSLC providing 8, 16, 24 or 32 extension circuits respectively. The DSLC cassette uses a proprietary 2B+D architecture (ISDN U interface) requiring only two wire standard twisted pair cabling to provide each user with a fully digital telephone which may be located up to 1000m from the Control Unit.