FeaturesSupports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital Channels)All versions support CO, TIE, DID and OPS (Off – Premises Stations) port types using the robbed signal protocol, proprietary bit-oriented signaling, (BOS) 24th channel signaling protocol, and the DMI-BOS 24th channel signaling protocolAll versions also support ISDN-PRI connectivityTN464E and later provide test jack access to the DS1 or E1 line and support the 120A Integrated CSUTN464F and later suffix is required to communicate with ConversantIncludes RefurbishedLibraryAvaya Definity Maintenance Server R Vol I and II,III.pdf
