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List of terms
Nortel Multiservice Switch 7400/15000/20000
Terminology
NN10600-005 7.2S1 Standard
PCR7.2 and up March 2006
Copyright © 2006, Nortel Nortel Confidential
SIWF
See service interworking function (SIWF) (page 119).
SM
See single-mode (SM) (page 122).
Small form-factor pluggable optical transceiver module
The small form-factor pluggable (SFP) optical transceiver module is a fiber
optical unit that interfaces between each optical module socket (port) on the
faceplate of a function processor (FP) card and the fiber optical cables with LC
small form connectors. When FPs have SFP modules, each port can have a
different version of the module such that various multimode (MM) and single-
mode (SM) fiber cables and reaches can be appropriately connected to the
same faceplate. SFP modules provide flexible use of an FP’s interfaces for
each port on the card.
SMDS
See switched multimegabit data service (SMDS) (page 129).
SMS
See shelf management system (SMS) (page 121).
SNA
See System Network Architecture (SNA) (page 131).
SNMP
See simple network management protocol (SNMP) (page 122).
SNMP information model
The information model defined for the SNMP protocol. This model represents
management information in terms of scalar and tabular variables. The
definitions of these variables are contained in MIB modules.
SNMPD
Simple network management protocol daemon.
soft rerouting
See path optimization (page 98).
soft permanent virtual circuit (SPVC, soft PVC)
Soft PVCs support the same functionality as permanent virtual connections
but eliminate the need to manually provision each node along the connection.
The endpoint is provisioned but the connection route is selected automatically.