Testing the ConnectionWinLink User and Installation Guide Version 1.750 6-107TestingEquipmentManagementStationE1Interface/T1Local ODUFigure 6-3: Local External LoopbackRemote Internal LoopbackRemote internal loopback can be set to an internal loopback to testconnection between the local and remote units, the local E1/T1 portand its connection to the local side user equipment. In this mode, datacoming from the local unit is looped back to it. This loopback isinitiated in band from a management station connected to the localunit.ManagementStationE1/T1InterfaceE1Interface/T1TestingEquipmentRemote ODU Local ODUFigure 6-4: Remote Internal Loopback
