3com S7906E Manuel De Montage

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3-15 
 
Deregistering an ONU 
After being deregistered, an ONU will try to register again. 
Follow these steps to deregister an ONU: 
To do... 
Use the command... 
Remarks 
Enter system view 
system-view
 
— 
Enter ONU port view 
interface
 onu 
interface-number
 
— 
Deregister the ONU 
deregister onu
 
Required 
 
Updating ONUs 
Introduction to ONU update 
Updating ONUs means updating ONU software versions remotely through OLTs.  
Updating ONU devices requires a large amount of work because, in an EPON system, there are 
different types of ONU devices, which use different update files. To improve the ONU update efficiency 
and reduce resources consumed by issuing commands to each ONU, the S7900E switches support 
batch updating of ONUs by type and OLT port, besides updating of a single ONU. Updating ONUs by 
type is recommended because it is efficient and easy-to-use. For the descriptions on the three ONU 
update methods, refer to