3Com 7600 manual Glossary

GLOSSARY

7600 Card	A 36-port ATM/Ethernet interface card in the CELLplex 7000 chassis.
Asynchronous	A transfer method used for LAN and WAN. ATM carries voice, video,
Transfer Mode (ATM)	and data at speeds up to 2.2 Gbps and can integrate geographically
	distant disparate networks. Also called cell relay.
ATM Adaptation	A set of protocols that translate user higher-layer protocols into ATM
Layer (AAL)	format.
ATM Forum	A consortium of vendors, carriers, and users formed to expedite
	industry agreement on ATM interfaces.
ATM Layer	The part of the BISDN protocol stack that handles most of the ATM
	routing and processing.
ATM Member	An alias given to an ATM address on a specific port in order to avoid
	typing in the ATM address 20 octets long.
AU ID	Unique number assigned to the 7600 Card. May be found through the
	Administration Console Menus of the LinkSwitch.
backbone	The main segment of a campus network, to which are attached
	department networks, or ribs.
Broadcast and	The Broadcast and Unknown Server handles data sent by a LEC to the
Unknown Server	broadcast MAC address, all multicast traffic, and initial unicast frames
(BUS)	which are sent by a LEC before the data direct ATM address has been
	resolved.
broadcasting	A common method of information transmission in which every port on
	the network receives the packet being sent, though only the port with
	the proper address passes it on to the user.
bridge	Device connecting between two networks which filters and forwards
	data between the networks according to their destination address.