ESI IVX 684 PC Port Card DSS Consoles Adtran 1181020L1 DS3 MUX Card

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ESI IVX 684 PC Port Card DSS Consoles Adtran 1181020L1 DS3 MUX CardESI IVX 684 PC Port Card Description: The ESI IVX 684 PC port card is an expansion port card for the IVX E Class phone system. The IVX 684 port card provides six additional CO phone lines, 8 digital phone stations, and 4 analog stations. ESI IVX 684 Features: Expands Your Phone System: 6 CO Phone Lines 8 Phone Stations 4 Analog Stations Compatibility: IVX E Class Gen 1 IVX E Class Gen 2