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Appendix D Glossary
PocketPro 100S Administrator’s Guide -- Document #40165-110 Rev. A D-7
Gateway
(1) In TCP/IP jargon, a gateway is the same as a router (see Router). (2) A device that converts one higher-level
network protocol to a different higher-level protocol (for example, a LAT-to-TCP/IP gateway).
Hops
The number of routers that are located between two devices, such as the print server and the file server.
Host Computer
A computer that provides services to one or more users.
Hosts File
The file on a UNIX host computer (usually in the /etc directory) that contains a list of host computers on the
network).
HP/UX
The variation of UNIX that runs on Hewlett-Packard computers.
Hub
(1) A multiport repeater for connecting several network segments together; this term is usually associated with
10baseT networks. (2) A sophisticated network device consisting of a chassis plus several plug-in boards,
including bridges, routers, 10baseT hubs, and other devices.
IEEE
International Electronics and Electrical Engineers is a standards body that controls the specifications for Ethernet
and other networking-related standards.
IETF
Internet Engineering Task Force is the group that defines the de facto standards for TCP/IP.
I/O Slot
Input/Output slot; in printers, a place where network interface cards are mounted.
IOP
Internal Option Port is the bus used on Lexmark 4039 and Optra Series printers to connect network interface
cards.