Ethernet

800G Ethernet specification

The 25 Gigabit Ethernet Consortium has decided to ditch its name as it heads off in search of serious speed with 800G specification. To mark the new name, the group has published 800G specification [PDF] that details its next step in Ethernet’s evolution. Ethernet standards group leaves its name in the dust as it details

PoE tester teardown

Here is teardown of one cheap power over Ethernet tester from eBay. It worked OK and did what it promised. It came with instructions that seem to be for a slightly different model witg more features. What is inside Circuit details. It has two sensing circuits: for end span and middle span power. I have

Ethernet in the first mile

https://en.m.wikipedia.org/wiki/Ethernet_in_the_first_mile I came by a device with 2BASE-TL ports in it. Google search revealed that this standard was made by IEEE Ethernet in the first mile (EFM) working group. It standardizes networking techbologies for the customer’s point of view it is their “first” mile, although from the access network‘s point of view it is known as the “last mile“.  I know