HP Deskjet 6127 Color Inkjet Printer - Manual (Page 9)

ethernet glossary
Protocol: A "language" that devices on a network use to communicate with each other. A
popular network protocol is TCP/IP .
RJ-45: The type of plug at the end of an ethernet cable.
Router: A complex internetworking device that directs packets from one network to another
network. A router can act as a gateway between a LAN and the Internet.
Static IP address: An IP address that is manually assigned to a device on a network. A static IP
address remains fixed until changed manually. Alternative methods for assigning IP address are
DHCP and AutoIP .
Subnet: A "small network" that acts as part of a large network. It is recommended that the
printer and the computers that use it all be on the same subnet.
Subnet mask: A number that identifies what subnet an IP address belongs to.
TCP/IP (Transmission Control Protocol/Internet Protocol): The network communication
protocol used on the Internet. The printer's built-in ethernet feature supports LANs that use
TCP/IP.
Unicast packet: A packet sent from one device on a network to another device on the network.
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