User`s guide

SET UP
XSRING+ SHDSL switch User’s guide ref 9018809-01 Page 37
• Check the quality of each SHDSL port :
The SNR ratio margin must be 2 / 4 or 3 / 4 or 4 / 4.
The number of erroneous seconds during the last hour must be next to 0.
The number of link losses during the last 24 hours must be 0 or a few ones.
• If the SNR ratio margin of one shdsl port is only 1 / 4, go back to “Ethernet & switching” , select a
more reliable connection profile (Endurance instead of standard for instance) for that port and
check the connection again.
• Once all the SHDSL connections run correctly, send periodically a PING to a remote device to
check that no error occur.
Remark : one can use the PING tool included in the product (Diagnostic > Tool > PING).
• If, in spite of these modifications, the result of one connection remains insufficient,
check each conductor of the line is correctly connected;
disconnect and by-pass the surge arresters to check if they are not the cause of the dysfunction;
check the cable shield is correctly connected to the ground.