FeaturesSupports T1 (24-channel) and E1 (32-channel) digital facilitiesIn ISDN-PRI applications, the ISDN D-channel connects to a TN778 packet control and the TN765 packet processor interface (R8 or later si) or the TN1655 packet interface (R8r or later) via the LAN busHas the same functionality as the TN464F, which is for US and Canada offers onlyTest jack access to the T1/E1 lineBoard level administrable A-Law and m-Law compandingCRC-4 generation and checking (E1 only)Stratum 3 clock capabilitySupport for the 120A ICSUSupport for ConversantCO, TIE, DID, OPS port types that use robbed-bit signaling protocol, proprietary bit-oriented signaling (BOS) 24th channel signaling protocol, or DMI-BOS 24th channel signaling protocolSupport for Russian incoming ANIIncludes Refurbished
