GLOSSARY OF TERMS

Term

Explanation

Cross Cable

The Ethernet cable designed to directly connect one PC to another PC with-

 

out using Ethernet hubs or routers.

 

 

DDNS

The service which assigns the fixed domain name to the dynamic global IP

(Dynamic Domain Name Service)

addresses on the Internet.

 

For example, when an IP address is given by the DHCP server, the IP

 

address is replaced by a new one with every access on the network. This

 

may cause user’s having the difficulty in remote access. DDNS reconfigures

 

the linkage between the host name and the IP address so that users can

 

access with the fixed domain name.

 

 

Default Gateway

Hardware such as a PC or a router, which is the gateway, to access a PC

 

outside the network.

 

 

DHCP

DHCP automatically assigns IP addresses to clients on a network.

(Dynamic Host Configuration Protocol) The DHCP server manages information such as IP addresses, gateway

 

addresses, domain names, subnet masks, and assigns IP addresses to

 

clients.

 

 

DNS (Domain Name System)

This system links domain names to IP addresses on the Internet. Since it is

 

difficult to remember IP addresses consisting of a long string of numbers,

 

DNS translates domain names consisting of alphanumeric characters into IP

 

addresses.

 

 

Download

Transferring data from a remote computer to the local computer.

 

 

Ethernet

A communication medium for LAN, which was developed by Xerox

 

Corporation.

 

 

Ethernet Switching Hub

A concentrator device used in a 10Base-T or 100Base-TX network. There are

 

several types with various numbers of ports: 8 ports, 4 ports, etc.

 

 

Frame Rate

The number of frames per second displayed during playback.

 

 

FTP (File Transfer Protocol)

The protocol used to transfer files over TCP/ IP networks such as the Internet

 

or an intranet. This protocol is used as frequently as HTTP and SMTP / POP3

 

on the Internet.

 

 

Installation

Adding hardware or software to the system.

 

This is the term used to indicate when an expansion card is added to the

 

hardware or new software is added to the system.

 

 

IP Address

The address information used in IP protocol. Every piece of hardware on a

 

network such as the Internet or an intranet must be assigned a unique

 

address.

JPEG (Joint Photographic Experts Group)

The standard file format for color still images defined by ITU-TS (International Telecommunication Union-Telecommunication Sector: former CCITT) and ISO (International Organization for Standardization). Compressibility ratio is 1/10 to 1/100.

LAN (Local Area Network)

A network of a comparatively small area such as the same floor, the same

 

building, or the same campus.

 

 

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Panasonic WV-NM100 operating instructions Glossary of Terms, Term Explanation