Enterasys atx Betriebsanweisung
Glossary
D-15
router on each of those networks. The destination router(s) then
multicasts a lookup request on the destination network. A
response is then returned by an end-node in a directly addressed
packet. Note that wildcards are allowed to enable the chooser to
display all objects of any given type.
multicasts a lookup request on the destination network. A
response is then returned by an end-node in a directly addressed
packet. Note that wildcards are allowed to enable the chooser to
display all objects of any given type.
network
Interconnected computer systems, terminals, and data
communication facilities. A network must have at least three
endpoints and may have any number of links and nodes.
communication facilities. A network must have at least three
endpoints and may have any number of links and nodes.
node
Any device connected to a communication network. Examples:
computer, workstation, printer, server, concentrator, bridge.
computer, workstation, printer, server, concentrator, bridge.
NZRI (nonreturn to zero inverted)
Secondary data encoding scheme used by FDDI; used to enhance
the reliability of 4B/5B encoding. (Same as NRZM, nonreturn to
zero-mark.)
the reliability of 4B/5B encoding. (Same as NRZM, nonreturn to
zero-mark.)
OBS (optical bypass switch)
A switch that uses an optical mechanism to automatically bypass a
malfunctioning or powered-off station on an FDDI network.
Prevents unnecessary ring initialization.
malfunctioning or powered-off station on an FDDI network.
Prevents unnecessary ring initialization.
optical receiver
A circuit that converts an incoming optical signal to an electrical
signal.
signal.