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NEC COI(8)-U10 ETU Card The NEC COI(8)-U10 ETU Card is a central office interface unit that supports 8 outside (CO/PBX) lines. $85.00

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The NEC COI(8)-U10 ETU Card is a central office interface unit that supports 8 outside (CO/PBX) lines.

The outside lines can be a combination of Loop Start or Ground Start DTMF trunks.

Compatible with NEC Elite 48/192 and NEC IPK/IPK2 phone systems.

Two Year Warranty