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Dual-sig has special codes for class 1-5 so the text cover it to i.e. it requires 3 class event to find the class code. So I prefer not to change it. Yair From: John Skinner [mailto:john_skinner@xxxxxxxxx]
EXTERNAL EMAIL Hi Lennart I think you’re on the right track, but I suggest the statement should be just a little stronger, replacing ‘may’ with ‘are’: Up to 3 class events are required to discover the Class for Class 5..8 devices. You don’t need this many class events to discover classes 1..3. The odd man out is Class 4 – you don’t really need 3 events to discover a Class 4 device, but you do need 3 events to disambiguate between this and Classes
5..8, so the only special case that might need to be mentioned specifically would be a Type 3 Class 4 device. Regards, John John Skinner Sifos Technologies, Inc. 1061 East Street, Tewksbury, MA 01876 +1 (978) 640-4900 x118 From: Yseboodt, Lennart [mailto:lennart.yseboodt@xxxxxxxxxxx]
Updated version attached, incorporating comments from Yair and Chad.
From: Chad Jones (cmjones) <cmjones@xxxxxxxxx> Mutual ID is the term we invented for AT and I think it is appropriate to keep it in BT. Additionally, classification is used
to establish mutual identification between the PSE and the PD to discover each others’ Type.
This text: The requested Class of the PD is the Class the PD advertises during Physical Layer classification, and represents the maximum power, as defined in Table 145–24 and Table 145–25,
that a PD shall draw across all input voltages. I had a similar comment and I agree with what you did here but I think you deleted a relevant piece of information: “The requested Class of the PD is the Class a PD advertises
during Physical Layer classification when connected to a Type 4, Class 8 PSE;”. The ‘connected to a Type 4, Class 8 PSE’ phrase struck me as odd at first but then it became clear that this is a way of saying request the max power on the physical layer. I
think it is important to leave in. So I would say add the phrase “when connected to a Type 4, Class 8 PSE” back to your sentence. Chad Jones Tech Lead, Cisco Systems Chair, IEEE P802.3bt 4PPoE Task Force From: "Yseboodt, Lennart" <lennart.yseboodt@xxxxxxxxxxx> Hello, We saw significant changes to the PD classification text due to the Clause split, on top of a nice cleanup action by Heath adopted in January. Some rectification and further cleanup attached. Comments welcomed. Kind regards, Lennart |