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Adtran Atlas 550 Quad T1/PRI Module 1200755L2 Description:
The Adtran MX2800 Multiplexer combines 28 DS1 signals into a single channelized DS3 circuit
Toshiba DKT2020-SD Features:
Craft serial interface port (front panel of SCM) for user access
Adtran Atlas 550 Dual EIA-530 USSI Module 4200754L2 Power Supply Adtran Atlas 550 Quad T1/PRIAdtran Atlas 550 Dual EIA 530 USSI Module 4200754L2 Description: The Adtran Atlas 550 Dual EIA 530 Universal Synchronous Serial Interface (USSI) Module (4200754L2) combines with other Atlas 550 components to provide solutions for a variety of wide area networking applications. The 4200754L2 provides a pair of EIA 530 serial ports. This USSI module is only compatible with Atlas 550 gateways. Adtran 4200754L2 Features: Provides two EIA 530 synchronous
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