C-11
Cisco ONS 15454 Installation and Operations Guide
November 2001
AppendixC Acronyms
S
SCI
Serial Communication Interface
SCL
System Communications Link
SDCC
Section Data Communications Channel
SDH/SONET
Synchronous Digital Hierarchy/Synchronous Optical Network
SEF
Severely Errored Frame
SELV
Safety Extra Low Voltage
SES
Severely Errored Seconds
SF
Super Frame
SML
Service Management Layer
SMF
Single Mode Fiber
SNMP
Simple Network Management Protocol
SNTP
Simple Network Time Protocol
SONET
Synchronous Optical Network
SPE
Synchronous Payload Envelope