I believe all digital and analog cards are compatible with all Definity products. You just have to use the right phones and wire connections with the cards. I.E. The old digital cards that are 8 port use a four wire scheme on pairs 2 and 3. They can drive either the old 7400 series sets or the newer 8400 series. The newer digital cards use a two wire connect and cannot support older sets. Analog cards should be able to use all sets in any system, especially your G3r8.2
Go to chapter 3 Cabinets, Carriers, and Circuit Packs then look for the heading Circuit Packs and Related Hardware, and finally go to the heading Circuit Packs in DEFINITY Please let me know if the information that was provided is helpfull.
Edwin Plat A.K.A. Europe
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