Polycom EX4000, FX4000, VS4000, EX, FX, VS4000 manual Rai

Integrators’ Reference Manual for ViewStation EX, ViewStation FX, and VS4000

QoS	Quality of Service. This allows guaranteed
	bandwidth and packet delivery between
	endpoints over a packet network.
RAI	Remote Alarm Indication.
RJ-11	A six-conductor modular jack. RJ-11 connectors
	are used on all standard telephones in the US for
	connecting to the PSTN.
RJ-45	An eight-conductor modular jack commonly used
	for data lines such as LAN connections.
RJ-9	A four-conductor modular jack commonly used
	for telephone handsets. Polycom uses RJ-9
	connectors for all of the Extension microphone
	connections.
Router	A networking device with ports for connection to
	hubs and switches. It provides central
	connectivity and security for multiple
	workgroups and LANs.
Server	A computer or software that provides services to
	clients — for example, file storage (file server),
	programs (application server), or printer sharing
	(print server). See also client.
Site	A location or a system; the term implies that rooms
	and people are also included. Two sites participate
	in a point-to-point call. Multiple sites participate in
	a multipoint call.
Streaming	A technology that allows an audio or video file to
	start playing on your computer before the entire
	file has finished downloading.
Tilt	Move the camera up or down.
UI	User Interface. The controls that let you interact
	with equipment or software. See also GUI.
UPS	Uninterruptable Power Supply.
Upstream	Farther from the endpoint. For example, the
	network side of a network interface module is
	upstream of the peripheral side.

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