Single digroup design - 24 Digital Signal Zero (DS0) capability
Uses three ADTRAN-designed common units - Bank Controller Unit (BCU),
Line Interface Unit (LIU), and Power Supply Unit (PSU) - as opposed to the
seven common units in a standard D4
Redundant power supply option for increased reliability
DS1 and DS0 performance monitoring
Extended temperature range: -30 degrees to -65 degrees
Centralized management (up to 500 banks) using ADTRAN Site Manager
Compatible with Operations Support Systems such as Telcordia's NMA and
OPS/INE using ADTRAN Site Manager