director 2/64 service manual

Glossary–18 director 2/64 service manual
Glossary
RFI
Acronym for radio frequency interference.
SAN
See storage area network.
SA/OS 390
See system automation for operating system 390 (SA OS/390).
SBAR
See serial crossbar assembly.
SC
Acronym for subscriber connector.
segmented E_Port
Expansion port (E_Port) that has ceased to function as an E_Port within a multi-switch fabric
due to an incompatibility between the fabrics that it joins. See also expansion port.
SEL
Acronym for system error light.
serial crossbar (SBAR) assembly
Responsible for Fibre Channel frame transmission from any director port to any other director
port. Connections are established without software intervention.
SFP
Acronym for small form factor pluggable (a type of Fibre Channel connector). See also fiber
port module card and universal port module card.
simple network management protocol (SNMP)
A protocol that specifies a mechanism for network management that is complete, yet simple.
Information is exchanged between agents, which are the devices on the network being
managed, and managers, which are the devices on the network through which the management
is done.
SNMP
See simple network management protocol.