Avaya Definity TN573B Switch-Node Interface Circuit Pack

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TN573B Switch-Node Interface This card routes circuit packet and control messages. TN573B and higher provides an interface to the single-mode fiber optic transceiver and supports t he TN1654 and TN574 DS1 converter circuit pack. Features Circuits, packets, and control messages are routed Provides an interface to single-mode fiver optic transceiver and supports the TN1654 and TN574 DS1 One TN573B per PN and supports the TN574 DS1 converter circuit pack Includes Atlas 1-Year Warranty with Extended Warranty options available! Package Includes TN573B Switch-Node Interface Show more