NonStop S-Series Hardware Installation and FastPath Guide (G06.26+)

Glossary
HP NonStop S-Series Hardware Installation and FastPath Guide—529876-001
Glossary-103
Simple Network Management Protocol (SNMP)
structure to establish constant and equal potential for all equipment in the computer
room that is connected to it.
Simple Network Management Protocol (SNMP). An asynchronous request-response
protocol used for network management. SNMP originated as a means for managing
Transmission Control Protocol/Internet Protocol (TCP/IP) and Ethernet networks. OSM
and TSM can include an SNMP-compliant interface for communication between the
system console and HP NonStop™ S-series server.
single-high stack. A stack that includes a base, a frame, an HP NonStop™ S-series
system enclosure, and power shelf. Contrast with double-high stack.
single-mode fiber-optic (SMF) plug-in card (PIC). A plug-in card (PIC) that supports the
single-mode fiber-optic (SMF) interface.
single-mode fiber-optic (SMF) ServerNet cable. A fiber-optic cable that allows only one
mode to propagate. An SMF ServerNet cable has a small-diameter core for optimized
long-distance transmission. See also multimode fiber-optic (MMF) ServerNet cable.
single-wide plug-in card (PIC). A small-form-factor plug-in card (PIC) that occupies one
PIC slot within a ServerNet adapter or an HP NonStop™ cluster switch. See also
double-wide plug-in card (PIC).
sinusoidal. A waveform that can be mathematically expressed by the sine function.
SIT. See system image tape (SIT).
site update tape (SUT). One or more tapes that contain each target system’s site-specific
subvolume and various products. Each product contains a softdoc and a complete set
of files. A SUT is delivered with every new HP NonStop™ system and can be ordered
whenever a new release version update (RVU) of the system software is available. A
full SUT contains the current RVU of the HP NonStop operating system and all product
software that has been ordered with it. A partial SUT contains a subset of products for
the current RVU.
SIV. See system interrupt vector (SIV).
skin effect. The tendency of higher frequency signals to flow on the outside surface, or
skin, of a conductor instead of through the entire cross-section of the conductor. The
result is less total conductor area available for carrying current and an increase in the
resistance of the conductor at that high signal frequency.
slot. (1) A physical, labeled space for a customer-replaceable unit (CRU) or field-
replaceable unit (FRU) that is part of an enclosure or another CRU or FRU. (2) Part of
the group, module, slot naming convention for uniquely identifying the logical location
of a component within a system. A slot is a subset of a module.