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NEC IPK II DTI-U40 T1/PRI Circuit Card(Refurbished)
#750196 DTI-U40 Digital Trunk Interface unit provides for both T1 and PRI interfaces.
The T1 Trunk Interface provides for the termination of
T1/Fractional T1 (24 DS-0 channels) lines with ANI.
Tie line (E&M), DID signaling, loop start, and ground start options.
The Primary Rate Interface provides for the termination of
an ISDN PRI line for voice service only. This unit supports
4ESS (AT&T Custom), AT&T 5ESS (Lucent Custom),
DMS-100 (Custom and National ISDN) and NI-2 protocols.