TN754B - Плата восьми цифровых линий (8-Port Digital Station Circuit Card)
Спецификации к плате:
Add the 8-Port Digital Station Circuit Card (TN754) to expand your current system.
Interfaces to eight 4-wire Digital Voice Terminals
Required when adding Digital Voice and Data Terminals
Support 3,400 feet for Phantom-Powered Voice Terminals
Support 5,000 feet for Locally Powered 7400 and 8400 Series Voice Terminals using 24-gauge wire
Supports Sets in the same Bldg. as your DEFINITY® System or "out of building" with line protection
Системные требования: DEFINITY® ECS or System 75 R1V1-3.G1 or higher