GLOSSARY
(SNMP) Physically, an access point to a computer, multiplexer device, or network. Logically, a pointer to a TCP/IP application.
Port Replicator
A device that provides connections for a number of devices, such as: keyboard, serial peripheral, radio antenna, power, and IrDA printer.
Portrait Mode
In terms of the display, it has an orientation such that the information displayed on the screen is viewed in a normal manner, without rotating the image, resulting in a narrow display.
POST (Power-On Self-Test)
A set of routines for system diagnostics and configuration that is run by the BIOS during system initialization.
Programmer’s Reference Guide
The comprehensive repository of information about
PEN*KEY programming. It is usually included with a
PEN*KEY Tool Kit.
Proprietary Systems
Systems where all the component devices, protocols, and standards are from a single vendor, usually with patent, trade mark, or copyright protection.
Protocol
A formal description of message formats and the rules computers must follow to exchange those messages.
Protocol Stack (SNMP)
A modular set of functions, one at each layer of the stack, that form a network service. Each layer of the stack uses the services of the module beneath it.
