WinLink 1000 Installation and Operation Manual
Chapter 5 Diagnostics and Troubleshooting
Testing
Equipment
Management
Station
E1
Interface
/T1
Local ODU
Figure 5-3. Local External Loopback
Remote Internal Loopback
Remote WinLink 1000 can be set to an internal loopback to test
connection between the local and remote units, the local E1/T1 port
and its connection to the local side user equipment. In this mode, data
coming from the local WinLink 1000 is looped back to it (see
Figure 5-
4
). This loopback is initiated from a management station connected to
the local unit.
Management
Station
E1/T1
Interface
E1
Interface
/T1
Testing
Equipment
Remote ODU
Local ODU
Figure 5-4. Remote Internal Loopback
Remote External Loopback
Remote WinLink 1000 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 (see
Figure 5-5
). This loopback is initiated by an
inband command sent from a management station connected to the
local unit.
PM
Running Diagnostic Loopbacks
5-5
Summary of Contents for WinLink 1000
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