IBM SAN32M1, Инструкция по установке и обслуживанию

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SAN32M1 Fabric Switch Installation and Service Manual 534
byte
Abbreviated as B. A byte generally equals eight bits, although a byte
can equal from four to ten bits. A byte can also be called an octet See
also
octet .
C
call-home
Product feature which enables the EFC Server to automatically con-
tact a support center and report system problems. The support center
server accepts calls from the EFC Server, logs reported events, and
can notify one or more support center representatives.
cascade
Linking two or more Fibre Channel switches to form a larger switch
or fabric. The switched link through fiber cables attached between
one or more expansion ports (E_Ports). See also
expansion port .
CBY Channel operations running in byte mode. This occurs when a chan-
nel is attached to a converter and specifies the I/O operation mode
for the channel path under the I/O configuration program (IOCP)
channel path identifier (CHPID) statement ‘Type’ parameter. Contrast
with
CVC .
cell
In S/390 mode, in a port address matrix, a cell is the intersection
point between a horizontal port address and a vertical port address.
A selected cell is indicated by the cell cursor.
chained Two directors or switches that are physically attached.
channel (1) A system element that controls one channel path, and whose
mode of operation depends on the type of hardware attached. Each
channel controls an I/O interface between the channel control ele-
ment and the attached control units (D). (2) Point-to-point link that
transports data from one point to the other. (3) A connection or socket
on the motherboard to controller card. A motherboard may have only
one or two channels (primary and secondary). If a motherboard has
only one channel, it may be necessary to add a controller card to cre-
ate a secondary channel.
channel-attached (1) Pertaining to direct attachment of devices by data I/O channels to
a computer. (2) Pertaining to devices attached to a control unit by
cables, not telecommunication lines (D). Synonymous with
local .