EMC Connectrix B Series Hardware Reference Manual page 112

Glossary
Single CP Mode The -s option of the command. Using
firmwaredownload
enables Single CP Mode. In the ED-12000B,
firmwaredownload-s
Single CP Mode enables a user to upgrade a single CP and to select
full install, autoreboot, and autocommit.
Single Mode A Fibre Channel optic cabling standard for use with long-wavelength
lasers operating in the infrared portion of the spectrum at 1300
nonmeters (nm).
S-Link Service Facilities used between an N_Port and the fabric, or between two
N_Ports, for login, sequence/exchange management, and
maintaining connections.
SMDS Switched Multimegabit Data Service. A good protocol for
interconnecting LANs; however, SMDS has less error-checking
capability than Frame Relay.
SMF Single-mode fiber. See LWL.
SMI Structure of management information. A notation for setting or
retrieving SNMP management variables.
SNA/SDLC Systems Network Architecture/Synchronous Data Link Control. A
structure for transferring data among a variety of computing
platforms.
SNMP Simple Network Management Protocol. An Internet management
protocol that uses either IP for network-level functions and UDP for
transport-level functions, or TCP/IP for both. Can be made available
over other protocols, such as UDP/IP, because it does not rely on the
underlying communication protocols. See also Community (SNMP).
SNS Simple Name Server. A switch service that stores names, addresses,
and attributes for up to 15 minutes, and provides them as required to
other devices in the fabric. SNS is defined by Fibre Channel standards
and exists at a well-known address. May also be referred to as
directory service. See also FS.
SOF
Start of frame. A group of ordered sets that marks the beginning of a
frame and indicates the class of service the frame will use.
Soft Zone A zone consisting of zone members that are made visible to each
other through client service requests. Typically, soft zones contain
zone members that are visible to devices using Name Server exposure
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EMC Connectrix B Series DS-8B3 and DS-16B3 Hardware Reference Manual