Local External Loopback Chapter 9WinLink™ 1000 User Manual Release 1.9 9-6Local External LoopbackA Local external loopback can be set to test the local E1/T1 port and its con-nection to local side user equipment. In this mode, data coming from thelocal user equipment is looped back to it. This loopback is initiated from amanaging computer connected to the local unit.Figure 9-7: Local External LoopbackRemote Internal LoopbackA remote internal loopback can be set to test connection between the localand remote units and between the local E1/T1 port and its connection tothe local user equipment. In this mode, data coming from the local userequipment is looped back at the remote side. This loopback is initiated froma managing computer connected to the local unit.Figure 9-8: Remote Internal LoopbackRemote External LoopbackThe remote unit can be set to an external loopback to test the remote E1/T1 port and its connection to the remote side user equipment. In this mode,data coming from the remote user equipment is looped back to it locally.
