PRIMARY RATE INTERFACE UNIT The Primary Rate Interface Unit 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. ACLKG-U10 unit must be connected to the CPUI ()-U10 ETU.

NEC PRT (1)-U10 ETU



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NEC PRT (1)-U10 ETU ( 750475) PRT $595.00Sale Price: $375.00