Adtran MX2800 AC Power Supply 1200289L1 Multiplexers the Dell 5524 can be

the Dell 5524 can be stacked through 10GbE interfaces and the switch supports uplinking through 10Gb ports

Allworx 8110055 Features:

Adtran 1200186L2 Features:

The 4240924L1 is the first generation Total Access 924e

The Superset 420 offers twelve programmable keys which can be used as feature or line keys

Adtran MX2800 AC Power Supply 1200289L1 Multiplexers the Dell 5524 can beAdtran MX2800 AC Power Supply 1200289L1 Description: The Adtran 1200289L1 is an AC power supply for the MX2800 multiplexer. The power supply is a redundant module that can be hot swapped within the MX2800 chassis to maintain 100% uptime. Adtran 1200289L1 Features: AC Power Hot Swappable Redundant