Crocus SHDSL G703.pdf - FTP Directory Listing
Crocus SHDSL G703.pdf - FTP Directory Listing
Crocus SHDSL G703.pdf - FTP Directory Listing
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110 <strong>Crocus</strong> <strong>SHDSL</strong> G703 Chapter 5<br />
User manual<br />
Step-by-step configuration<br />
In the network depicted on the previous page, the E1 interfaces of the modems that reside in the same<br />
site are connected to each other. By doing so (and by setting the appropriate attributes as seen on the<br />
previous page), the management data can pass from one device to another, not only over the line but<br />
also over the E1 interface.<br />
Special points of interest in this network are:<br />
• On TT 2 and TT 4, you have to set the saBits to o10Management or o10-pathManagement. By doing so,<br />
you are able to forward management data over the E1 interface connection between TT 2 and TT 4.<br />
On TT 3, however, you have to set the saBits to transparent, because on CV 1 internalDmm is enabled.<br />
Else you have two possible paths towards the management system for CV 1 and all modems after<br />
CV 1:<br />
- one path through TT 3,<br />
- one path through TT4.<br />
In this case, you might get unexpected results. Therefore, make sure there is only one path towards the<br />
management system!<br />
• You have to enable internalDmm on CV 1, because the management data has to be able to pass from<br />
modem B to modem A. By doing so, you are able to forward management data over the …<br />
- line to TT 3,<br />
- E1 interface connection between CV 1 modem A and CV 2 modem A.<br />
• On modem A of both CV 1 and CV 2, you have to set the saBits to o10Management or o10-pathManagement.<br />
By doing so, you are able to forward management data over the E1 interface connection between<br />
modem A of CV 1 and CV 2. On modem B of both CV 1 and CV 2, however, you have to set the saBits<br />
to transparent, because on CV 1 and CV 2 internalDmm is enabled. Else you have two possible paths<br />
towards the management system. Make sure there is only one path towards the management system!<br />
• You have to enable internalDmm on CV 2, because the management data has to be able to pass from<br />
modem A to modem B. By doing so, you are able to forward management data over the line to both<br />
CV 3 modem A and B.<br />
• You have to disable internalDmm on CV 3, because else you have two possible paths towards the management<br />
system for CV 3. E.g. if you would enable internalDmm, then modem A could contact the management<br />
system …<br />
- either over the line and then through CV 2 modem A etc.<br />
- or through CV 3 modem B, over the line and then through CV2 modem B etc.<br />
In this case, you might get unexpected results. Therefore, make sure there is only one path towards the<br />
management system!<br />
• Etceteras.
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