OMS 3250

Product DescriptionOMS3250OCHOptical Channel (ITU–T G.709)ODUOptical Data unit (ITU–T G.709)OHOverheadOOB FEC Out Of Band Forward Error CorrectionOPUOptical Payload Unit (ITU–T G.709)OSIOpen System InterconnectionOTHOptical Transport HeirarchyOTUOptical Transport Unit (ITU–T G.709)PDCPassive Dispersion Compensation (also known as DCF)PIRPeak Information RateRSRegenerator SectionRMON Remote Network MonitoringSANStorage Area NetworkSDHSynchronous Digital HierarchySFPSmall Form-Factor Pluggable (Optical Transceiver)SMCSystem Memory Card, used in CCU to hold SW for all of the cards (compactflash disks)SNCSubnetwork Connection (previously known as Path Protection)SNCP Sub-Network Connection ProtectionSOHSection OverheadSONET Synchronous Optical NetworkSTMSynchronous Transport ModuleTETermination pointTEP1E Transmission Equipment Practice 1E (customized local alarm scheme)TMTerminal MultiplexerTMNTelecommunication Management NetworkU Unit of measure for card slot width on the subrack, 1U = 5.08mm (0.2”)UPSR Unidirectional Path Switched RingvVirtually concatenated signal (VC4-4v)VCVirtual ContainerVCGVirtually Concatenated GroupVCIVirtual Channel IdentifierVLANVirtual Local Area Network (IEEE 802.1Q)VPLSVirtual Private LAN ServiceVPNVirtual Private NetworkWANWide Area NetworkWDMWavelength Division MultiplexingXFPExtended Form-Factor Pluggable (Optical Transceiver)Page 8 of 74 Copyright – Refer to Page 2 Issue 1