The IP500 Digital Station 16B provides 16 additional digital station ports for your Avaya IP Office system. For IP Office 9.0 or higher, the digital station ports can be used as DS or TCM ports
Digital station modules with RJ45 interfaces (“B” version) will support Avaya IP Office phones (DS mode) or heritage Nortel digital phones (BST mode). DS or BST phones may not be mixed on a module. Modules supporting either DS or BST may be mixed on each IP Office control unit.