Main Features:

4U height, up to 16 slots 2 slide-in power supply support redundant backup Compatible with E1 to 10Base-T module and E1 to V.35 module Each module can support hot-swap plug Support RS232 management Product features:     (1)Support all type interface convertor adapters, fiber modem, 4 E1 optical transmitter and receiver, and support mixed insert different boards, these functions not affected each other. (2)Can insert 16 function boards and 2 power supply board. (3)Power supply option: AC220V, DC-48V. The positive and negative terminal can be exchanged for DC-48V,easy to install  and maintain. Support power supply backup. (4)Use standard 19 inch rack, high 4U. (5) Convenient for maintenance, all the LEDs in adaptor board are in the front panel. (6) Sequence number of rack is display with nixie tube, Convenient for management of large number racks used together. (7)Support network management, network management software can manage racks.