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Meridian Digital Telephone IP Adapter Installation and Administration Guide
Glossary
Standard 1.1
DIP switch
A series of tiny switches built into circuit boards that enables you to configure a
circuit board for a particular type of computer or application. DIP switches are
always toggle switches. This means that they have two possible positions: on or
off (or 1 or 0).
direct memory access
DMA speeds up system performance by moving blocks of memory around
inside the computer (typically between I/O devices and memory). This process
enables the microprocessor to spend its time performing other functions.
DLL
See
DLT
See
DMA
See
DN
See
driver
A program that controls a device. Every device, whether it is a printer, disk
drive, or keyboard, must have a driver program. A driver acts like a translator
between the device and programs that use the device.
DSP
See
dual in-line memory module
The protective packaging for microprocessor chips that provides a safe and
convenient means of installing and removing the chip.
dynamic host configuration protocol
A protocol for dynamically assigning IP addresses to devices on a network.