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 | The Total Access MX2800™ Controller Card (CCU) from ADTRAN® is a plug-in unit for the MX2800 chassis that provides 1:1 redundancy the T1 and T3 signals as well as the T3 connections. With two cards installed, the MX2800 can recover from a circuit failure. | COMPARE PRICES |
 | Connect up the telephone lines and facilitate communication with the NEC DSX-80 system. With a total of 48 analog lines and 64 digital lines, this NEC phone system has the ability to connect many lines and is ideal for installation on most sites. The NEC DSX-80 system comes with CPU, four card slots and system's supply so you have all you need in one package. This 4-slot KSU is wall-mountable so you can install it flat on wall and access it conveniently. With a flip off cover and removable side panel, this NEC phone system makes it easy to operate the system and makes your job a breeze. The transparent panel of this 4-slot KSU lets you glance at the essential system status and troubleshooting information without removing the cover. | COMPARE PRICES |
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