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control processor card
control unit port
CTP card
CUP
D
DB-9 connector
default zone
D_ID
destination identifier
director
DNS
DNS server
domain
A printed circuit board that provides the microprocessor and control
logic for all directors and switches. The CTP card also initializes
hardware components after system power-on. The board may also
provide an RJ-45 Ethernet connector.
An internal director or switch port, embedded on the CTP card, that
communicates with channels to report errors and link initialization.
See
control processor
card.
See
control unit
port.
A 9-pin serial connector type that provides connectivity to an ES-1000
Switch GBIC. Contrast with
A zone that contains all fabric-attached devices not configured as
members of a user-specified zone in the active zone set.
See
destination
identifier.
A 3-byte field in a Fibre Channel frame header that indicates the
targeted destination (address identifier of the device N_Port) of the
transmitted frame.
A redundant, highly-available Fibre Channel switch with a high port
count that provides any-to-any port connectivity between devices
(nodes) connected to a switched fabric. A director transmits data
frames between nodes in accordance with the address information
provided in the associated frame headers. Directors are well suited
for use in enterprise computing environments. Contrast with
switch.
See
domain name
system.
For Internet and TCP/IP applications, a DNS server supplies
name-to-address translation by mapping domain names to Internet
addresses.
(1) A group of devices (nodes) on a network that form an entity with
resources under common control. For example, a domain can be a
high speed serial data
connector.
fabric
Glossary
351
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