Ceragon FA4800, Руководство пользователя

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Local Internal Loopback Chapter 9
FA4800 User Manual Release 1.9.30 9-7
coming from the remote user equipment is looped back to it locally. This
loopback is initiated by the managing computer connected to the local unit.
Figure 9-9: Remote Line Loopback
Local Internal Loopback
The local unit can be set to close a remote loopback to test connection
between the local and remote units and between the remote E1/T1 port
and its connection to the remote user equipment. In this mode, data com-
ing from the remote user equipment is looped back to it locally. This loop-
back is initiated by the managing computer connected to the local unit.
Figure 9-10: Local Reverse Loopback
Reinstalling and Realigning a Link
It may be necessary to reinstall the link if the ODUs need to be realigned.
¾
To reinstall the link:
1. Choose a site.
The Configuration dialog box opens.
Note
Activating Install Mode causes both sites to go into install mode, causing
disruption in service for approximately fifteen seconds.