3.2.2 Supporting DigiTech Telephones (Revision I And Later)
There are several items that you need to consider when connecting revision I and later DigiTech
telephones to the digital telephone system:
•
While the system software cartridge (product code Snnnn) with software release 11A and
later supports the use of all DigiTech telephones regardless of their revision letter, any
systems with a software release of 9 or earlier will not support the revision I and later
telephones. In other words, whenever a system includes revision I or later telephones, be
sure that the system software cartridge has a software release revision of 11A or later.
•
Always program station ports to provide ringing line preference to revision I and later
DigiTech telephones (and to all Impact telephones) that are connected there. This action is
necessary before the orange LED feature can become active. The orange status light
indicates a ringing line to distinguish it from lines that are in use or on hold.
Digital Telephone System IMI66–107
3 – 8 System Programming
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