Adtran ACT 1900 Chassis
 1150051L1 D4MEM602RA Intelligent Channel Banks

• 19-inch mounting - ACT 1900
• 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