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Founded in 1981, Data Comm for Business (DCB) manufactures and distributes network equipment spanning low speed modems and TDM to SONET, MPLS, Carrier Ethernet and cyber secuity. Stop by and see how the ETTA Ethernet Transmission Test set and PENE Packet Ethernet Network Emulator can move your company's transition forward. DCB Inc., Data Comm for Business has been manufacturing and supplying innovative data communications equipment to businesses nationwide since 1981. We're a leader in the design of high-performance serial data management equipment including high speed access devices, FRADS, ethernet gateways, multiplexers, modems, DSUs, wireless and other data communications equipment. We're experienced in supporting communications systems of all sizes... from simple, single-user setups to million dollar networks. These networks connect remote LANs, terminals to computers, POS devices to hosts, PBXs, T1, SONET, and other systems.