Symbol Technologies MC50 - Manual (Page 88)

MC50 User Guide GL-8
IP Address (Internet Protocol address) The address of a computer attached to
an IP network. Every client and server station must have a unique IP
address. A 32-bit address used by a computer on a IP network.
Client workstations have either a permanent address or one that is
dynamically assigned to them each session. IP addresses are
written as four sets of numbers separated by periods; for example,
204.171.64.2.
IPX/SPX Internet Package Exchange/Sequential Packet Exchange. A
communications protocol for Novell. IPX is Novell’s Layer 3
protocol, similar to XNS and IP, and used in NetWare networks. SPX
is Novell's version of the Xerox SPP protocol.
IS-95 Interim Standard 95. The EIA/TIA standard that governs the
operation of CDMA cellular service. Versions include IS-95A and IS-
95B. See CDMA.
Kerberos Kerberos is a network authentication protocol. It is designed to
provide strong authentication for client/server applications by
using secret-key cryptography. A free implementation of this
protocol is available from the Massachusetts Institute of
Technology. Kerberos is available in many commercial products as
well.
Key A key is the specific code used by the algorithm to encrypt or
decrypt the data. Also see, Encryption and Decrypting.
LAN Local area network. A radio network that supports data
communication within a local area, such as within a warehouse of
building.
laser scanner A type of bar code reader that uses a beam of laser light.
LASER Light Amplification by Stimulated Emission of Radiation.The laser
is an intense light source. Light from a laser is all the same
frequency, unlike the output of an incandescent bulb. Laser light is
typically coherent and has a high energy density.
Laser Diode A gallium-arsenide semiconductor type of laser connected to a
power source to generate a laser beam. This laser type is a compact
source of coherent light.
LCD See Liquid Crystal Display.
LED Indicator A semiconductor diode (LED - Light Emitting Diode) used as an
indicator, often in digital displays. The semiconductor uses applied
voltage to produce light of a certain frequency determined by the
semiconductor's particular chemical composition.
Liquid Crystal Display (LCD) A display that uses liquid crystal sealed between two glass plates.
The crystals are excited by precise electrical charges, causing them
to reflect light outside according to their bias. They use little
electricity and react relatively quickly. They require external light to
reflect their information to the user.
Light Emitting Diode See LED.
MAC Address (also called IEEE Address) Spectrum24 ® devices, like other Ethernet devices, have unique,
hardware-encoded MAC (also called IEEE addresses). MAC
addresses determine the device sending or receiving data. The
MAC address is a 48-bit number written as six hexadecimal bytes
separated by colons.
MC Mobile Computer.