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1747-5.34 - June 1998 A two-port active physical layer component that reconstructs all traffic it hears on one network segment side and retransmits it to another network segment side. Repeaters allow for extensions in network distance, conversion to alternate media (coaxial cable, fiber, etc.) and altering the topology of the network. Repeater An application-level command set that Allen-Bradley programmable controllers use to communicate across networks. PCCC (Programmable Controller Communications Commands) The rate at which access to the network is granted. NUT (Network Update Time) Any physical device connecting to the ControlNet network that requires a network address in order to function on the network. Node The network address of a node on the ControlNet network. This address must be in the range of 1 to 99 (decimal) and be unique to that subnet. A subnet can contain a maximum of 99 nodes. Network Address A collection of connected nodes (end devices). The connection paths between any pair of nodes can include repeaters, routers, bridges, and gateways. Network An input/output (RJ-45 style) connector for a programming terminal to gain full access to the network. NAP (Network Access Port) P-4