xDSL Series
DT-128
Why does a DT-128 pair not connect when using 4WLL back to back ?
1.
The old DT-128 with PCB before the V2.4 had a +13 dBm Tx level on a 4WLL connection.
2.
For back to back testing, users have to add a 13 dB attenuator between the DT-128 pair.
3.
Newer versions of the PCB V2.5 support an internal attenuated jumper reducing the Tx level.
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