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The Adtran Atlas 890 has a secondary power supply that supports and will allow the system to keep running in the event of a failure of the first power supply
These Shoretel Handsets are refurbished replacements for your Shoretel phones that provide crystal clear quality calls
or ATLAS 890)
Atlas 800 AC Power
The Adtran NetVanta 6355 supports up to two Network Interface Modules or Voice Interface Modules
Adtran Atlas 800 Series Dual RS-449 Video Module 4200773L3 Power Supply The Adtran Atlas 890 hasAdtran Atlas 800 Series Dual RS 449 Video Module 4200773L3 Description: The Adtran Atlas 800 4200773L3 is a two port ISDN video module. The 4200773L3 provides two RS 449 synchronous serial ports. Each video port is independent and uses ISDN. The module supports DTE rates from 112k to 1. 472 Mbps when used with the Nx56 64 bonding module. The Adtran 4200773L3 is compatible with both the Atlas 830 gateway and the Atlas 890 gateway. Adtran 4200773L3
