1、Union internationale des tlcommunications Place des Nations 1211 GENVE 20 Suisse Switzerland Suiza COVERING NOTE GENERAL SECRETARIAT INTERNATIONAL TELECOMMUNICATION UNION Geneva, 29 March 2004 ITU TELECOMMUNICATION STANDARDIZATION SECTOR Subject: Erratum 1 (03/2004) to ITU-T Recommendation X.151 (10
2、/2003), Frame Relay operations and maintenance Principles and functions Replace Figure 2/X.151 “Location of OAM Maintenance Points (FROMPs) for monitoring performance“ by the following, to show the Monitor points in the edge switches: X.151_F2MPMPMPMPMPMPMPEdge-to-edge-queueEdge-to-edgeEnd-to-endUNIFramerelayDTEUNIFramerelayDTEMonitor point for optional frame relay OAM device.Frame relaynetworkF.R.switchF.R.switchF.R.switchF.R.switchF.R.switchF.R.switch
