HP 316095-B21 - StorageWorks Edge Switch 2/24 User Manual page 169

Glossary
bit error rate
A comparison of the number of bits received incorrectly by a device to the total number of bits
transmitted.
blocked port
Devices communicating with the port are prevented from logging into the switch or
communicating with other devices attached to the switch. A blocked port continuously
transmits the offline sequence.
bridge
Device that connects and passes packets between two network segments that use the same
communications protocol.
broadcast
Send a transmission to all N_Ports on a fabric.
broadcast frames
Data packet, also known as a broadcast packet, whose destination address specifies all
computers on a network. See also multicast.
buffer
Storage area for data in transit. Buffers compensate for differences in processing speeds
between devices. See also BB_Credit.
CHPID
See channel path identifier.
call-home
Product feature which enables the HAFM server to automatically dial out to a support center
and report system problems. The support center server accepts calls from the HAFM server,
logs reported events, and can notify one or more support center representatives.
channel
Point-to-point link that transports data from one point to the other.
channel path
A single interface between a central processor and one or more control units along which
signals and data can be sent to perform I/O requests.
channel path identifier
In a channel subsystem, a value assigned to each installed channel path of the system that
uniquely identifies that path to the system.
edge switch 2/24 product manager user guide Glossary–3