Carrier Access Axxius 800 user manual Fxo

	Glossary
	frame
frame	A fragment of data that is packaged into a frame format, which comprises
	a header, payload, and trailer.
frame relay	A packet-switching protocol for connecting devices on a Wide Area
	Network (WAN). Frame Relay networks in the U.S. support data transfer
	rates at T1 (1.544 Mbps) and T3 (45 Mbps) speeds. Most telephone
	companies now provide Frame Relay service for customers who want
	connections at 56 Kbps to T1 speeds. However, it is being replaced in
	some areas by faster technologies, such as ATM.
FX	Foreign Exchange. A Central Office trunk which has access to a distant
	central office. Dial Tone is returned from that distant Central Office, and
	a location can be reached in the area of the foreign Central Office by
	dialing a local number. This will provide easier access for customers in
	that area and calls may be made anywhere in the foreign exchange area
	for a flat rate.
FXO	Foreign Exchange Office. Foreign exchange (FX) service is a service
	that can be ordered from the telephone company that provides local
	telephone service from a central office which is outside (foreign to) the
	subscriber’s exchange area. Simply, a user can pick up the phone in one
	city and receive a dial tone in the foreign city. This kind of connection is
	provided by a type of trunk called foreign exchange (FX) trunk. FX trunk
	signaling can be provided over analog or T1 links. Connecting POTS
	telephones to a computer telephony system via T1 links requires a
	channel bank configured with FX type connections.
FXS	Foreign Exchange Station.
gateway	A link from one computer system to a different computer system.
ground	A physical connection to the earth or other reference point.
ground start	A method of signaling from a terminal or subscriber loop to a switch, in
(GS)	which method one side of a cable pair is temporarily grounded

Axxius 800 - Release 2.2 Glossary - 9