Adtran Atlas 550 Dual EIA-530 USSI Module 4200754L2 Power Supply Adtran 1700525E12 Features:

Adtran 1700525E12 Features:

No Voicemail Option

Adtran NetVanta 5305 HSSI Wide Module 1200934L1 Description:

Adtran 1187150L1 Features:

Compatible with the Atlas 830 and Atlas 890 gateways

Adtran Atlas 550 Dual EIA-530 USSI Module 4200754L2 Power Supply Adtran 1700525E12 Features:Adtran 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