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Departmental Switch Model DS-16B2 Fabric OS Procedures Manual
Glossary
API Application Programming Interface; a defined protocol that allows
applications to interface with a set of services.
Arbitrated
Loop
A shared 100 MBps Fibre Channel transport structured as a loop. Can
support up to 126 devices and one fabric attachment. See also
To p ol o gy.
ASIC Application Specific Integrated Circuit.
ATM Asynchronous Transfer Mode; a transport used for transmitting data
over LANs or WANs that transmit fixed length units of data.
Provides any to any connectivity, and allows nodes to transmit
simultaneously.
AW_TOV Arbitration Wait Time Out Value; the minimum time an arbitrating
L_Port waits for a response before beginning loop initialization.
B
Bandwidth The total transmission capacity of a cable, link, or system. Usually
measured in bps (bits per second). May also refer to the range of
transmission frequencies available to a network. See also Throughput.
BB_Credit Buffer to buffer credit; the number of frames that can be transmitted
to a directly connected recipient or within an arbitrated loop.
Determined by the number of receive buffers available. See also
Buffer-to -Buffer Flow Control and EE_Credit.
Beginning Running
Disparity
The disparity at the transmitter or receiver when the special character
associated with an ordered set is encoded or decoded. See also
Disparity.
BER Bit Error Rate; the rate at which bits are expected to be received in
error. Expressed as the ratio of error bits to total bits transmitted. See
also Error.
Block As applies to Fibre Channel, upper level application data that is
transferred in a single sequence.
Broadcast The transmission of data from a single source to all devices in the
fabric, regardless of zoning. See also Multicast and Unicast.