The Ciena NTT862FAE5 C-Band MUX/DEMUX Optical Transport Network Module Card is a high-quality optical transport network module designed for Ciena networking equipment. It features optical/fiber connectors (DWDM C-Band) and is compatible with Ciena products. This unit includes two network ports for Cat 6 Ethernet (RJ-45) and is part of the cmd44 product line. With a compact size of 2x10x8 inches, this module is essential for enterprise networking and server applications that require reliable and efficient optical transport capabilities.