HP 316095-B21 - StorageWorks Edge Switch 2/24 Reference Manual page 202

Glossary
loopback plug
In a fiber optic environment, a type of duplex connector used to wrap the optical output signal
of a device directly to the optical input.
loopback test
Test that checks attachment or control unit circuitry, without checking the mechanism itself, by
returning the output of the mechanism as input.
LUN
See logical unit number.
MAC address
See Media Access Control address.
maintenance port
Connector on the Director or Edge Switch where a PC running an ASCII terminal emulator
can be attached or dial-up connection made for specialized maintenance support.
managed product
Hardware product that can be managed with the HAFM application. For example, the Director
2/64 is a managed product. See also device.
management information base (MIB)
Related set of software objects (variables) containing information about a managed device and
accessed via SNMP from a network management station.
Management Services application
Software application that provides back-end product-independent services to the HAFM
application. Management Services runs only on the HAFM server, and cannot be downloaded
to remote workstations.
management session
A management session exists when a user logs on to the HAFM application. The application
can support multiple concurrent management sessions. The user must specify the network
address of the HAFM server at logon time.
Media Access Control (MAC) address
Hardware address of a node (device) connected to a network.
MIB
See management information base.
multicast
Delivery of a single transmission to multiple destination N_Ports. Can be one to many or many
to many. All members of the group are identified by one IP address. See also broadcast.
multiswitch fabric
Fibre Channel fabric created by linking more than one Director or Edge Switch in a fabric.
Glossary–10 CLI reference guide for directors and edge switches