aaNet Support Forum

What is changing?
Telstra is changing DSL SQ functionality so that bridged taps in distribution cables are not included the transmission loss calculation.

What are bridged taps?
Bridged taps are also known as "cable multiple", "tee'd pairs", “commons” and "tailing on". Historically bridged taps were included to provide additional CAN capacity. Bridged taps can degrade the transmission performance of a DSL service. The degree of signal degradation depends on the length, position and gauge of the bridged tap/s.

Why is this change happening?
Following a technical trial, Telstra has determined that the inclusion of distribution cable bridged taps in the DSL SQ calculation generally results in the transmission loss calculation being higher than the actual transmission loss. Therefore Telstra has decided to remove the bridged taps from this calculation.

How does this affect you?
As a result of this change some telephone services that previously failed DSL SQ may now pass. Therefore customers are encouraged to resubmit DSL requests for any service previously failed SQ due to excessive transmission loss.
"TRANSMISSION LOSS TO HIGH"

This change will be implemented by Telstra on Monday 27 February 2006.

Anyone wishing to resubmit a previously failed order please send an email to orders@aanet.com.au