User's Manual Part 2

Chapter 5 Diagnostics and Troubleshooting WinLink 1000 Installation and Operation Manual
A loopback is deactivated and the corresponding status arrow in
the Main menu becomes dimmed.
Figure 5-7. Loopbacks Dialog Box
Local External Loopback
Local WinLink 1000 can be set to an external loopback to test the local
E1/T1 port and its connection to the local side user equipment. In this
mode, data coming from the local user equipment is looped back to it
(see
Figure 5-8 ). This loopback is initiated from a management station
connected to the local unit.
Tes ti ng
Equipment
Management
Station
E1
Interface
/T1
Local ODU
Figure 5-8. 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
5-16 Testing WinLink 1000