Installation guide

Glossary-10 SPARC Enterprise Mx000 Servers Glossary • March 2012
main line switch A power switch provided in the SPARC Enterprise M8000/M9000 server
cabinet. Turning on or off all main line switches means the same thing as
turning on or off an external circuit breaker, such as a distribution panel or
power distribution box.
Management
Information Base (MIB)
Management information database for the SNMP agent function. MIB
information is returned in response to a request from the SNMP Manager.
MBU See Motherboard Unit (MBU).
Media Access Control
address (MAC address)
The worldwide unique serial number assigned to a network interface. IEEE
manages distribution of MAC addresses.
MEMB See Memory Board (MEMB).
Memory Access
Controller (MAC)
An ASIC that provides the memory access control function. It performs
memory access under the direction of the System Controller ASIC.
Memory Board (MEMB) A board in the SPARC Enterprise M4000/M5000 server on which memory
modules are mounted.
MIB See Management Information Base (MIB).
midrange server The SPARC Enterprise M4000/M5000 server.
mode switch A physical key switch on the server that controls system modes: locked and
service.
Motherboard Unit (MBU) The main board assembly to which other boards and components are
connected in SPARC Enterprise M3000/M4000/M5000 servers. SPARC
Enterprise M8000/M9000 servers have system boards instead of
motherboard assemblies.
move A term used in Dynamic Reconfiguration, a move is a series of operations
that unconfigure a system board from one domain and integrate it into
another domain.
N
Network Time Protocol
(NTP)
NTP supports synchronization of Oracle Solaris OS time with the time
service provided by a remote host.
NTP See Network Time Protocol (NTP).