Hi

Today, we had a customer with a line upgrade. Before the upgrade, he had a naked VDSL 20/2. After Swisscom attached Building to the Fibre (FTTB), the are able to order max. 500/120. Fibre is only in the basement of the building, where it’s „converted“ to copper. It did see the Swisscom equipment, and it looks like the equipment, they normally put in the street curb.

They order an upgrade to 300/60. Current Equipment „only“ Support VDSL Profile 17a (which maxout around 100 Mbit/s downstream).

ISP tell us, they can setup a profile 17a or VDSL Fast/G.Fast. But G.Fast isn’t VDSL (I know about this new standard/successor for VDSL). But never heard about VDSL Fast and could find anything on the internet or in device specification from Cisco/Zyxel.

IMHO, VDSL is normally reference by ITU G.993.x or profiles like 17a, 30a, 35b etc.).

Even the BBCS Approved List isn’t very specific. It only mention VDSL2 and V-VDSL2.

To be able to offer the right device, we should know the exact standard behind this 300/60 Profile (G. Fast or VDSL Profile 35b or something else).

So, I hoped, someone from the swinog could perhaps help.

Thanks for you inputs.

Kind Regards

Patrick Studer

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