VideoJet X20Glossary en 121

 

N

 

 

Net mask

A mask that explains which part of an IP address is the network address and which part is the

 

host address. It is usually written in dotted decimal notation, for example "255.255.255.192"

 

 

NTP

Network Time Protocol; a standard for synchronizing computer system clocks via packet-

 

based communication networks. NTP uses the connectionless network protocol UDP. This

 

was developed specifically for enabling time to be reliably transmitted over networks with

 

variable packet runtime (Ping).

 

O

 

 

OF

Optical Fiber; now used predominantly as the transmission medium for line-borne

 

telecommunication processes (glass fiber cable)

 

P

 

 

Parameters

Values used for configuration

 

Q

 

 

QCIF

Quarter CIF, video format with 176 × 144/120 pixels

 

R

 

 

RADIUS server

Remote Authentication Dial-In User Service: a client/server protocol for the authentication,

 

authorization and accounting of users with dial-up connections on a computer network.

 

RADIUS is the de-facto standard for central authentication of dial-up connections via Modem,

 

ISDN, VPN, Wireless LAN

 

(see 802.1x) and DSL.

 

 

RFC 868

A protocol for synchronizing computer clocks over the Internet

 

 

RS232/RS422/RS485

Standards for serial data transmission

 

 

RTP

Realtime Transport Protocol; a transfer protocol for real-time video and audio

 

S

 

 

SFP

Small Form-factor Pluggable; small, standardized module for network connections, designed

 

as a plug connector for high-speed network connections

 

 

SNIA

Storage Networking Industry Association; association of companies for defining the iSCSI

 

standard

 

 

SNMP

Simple Network Management Protocol; a protocol for network management, for managing and

 

monitoring network components

 

 

SNTP

Simple Network Time Protocol; a simplified version of NTP (see NTP)

 

 

SSL

Secure Sockets Layer; an encryption protocol for data transmission in IP-based networks

 

 

Subnet mask

See Net mask

Bosch Security Systems

Installation and Operating Manual

V3.5 2007.12