Polycom RMX 2000 Manual De Usuario

Internet Protocol. The working protocol that forms the 
basis of the internet.

Integrated Services Digital Network. A set of protocol and 
interface standards (voice, video and data) that comprise 
a telephone network. There are two types of ISDN lines: 
BRI and PRI.

International Telecommunications Union, 
Telecommunication Standardization Sector (formerly 
CCITT). An international group that produces official 
standards for telecommunications.

Local Area Network. A group of computers and other 
devices linked via a network’s operating system.

The amount of bandwidth used by a communication 
device, measured in Kbps (kilobits per second).

Lightweight Directory Access Protocol. 

Multipoint Control Unit. Device which allows more than 
two sites to be connected in a video conference.

A serial cable designed to eliminate the need for 
communication equipment when two digital devices are 
directly connected to each other.

A person using an endpoint to connect to a conference. 
When using a Room System, several participants use a 
single endpoint.

Quarter CIF. A video format with image size of 176x144 
pixels that transmits 9.115 Mbps at 30 frames per second 
(a quarter of the capacity of CIF). For more information, 
see CIF.

Quality of Service. QoS defines the performance of a 
network service, such as the average delay between 
packets.

A standard for serial interface connection.