一期一会

Recently bought Tenda TEG1016M 1Gbit switch and, as always, after quick test to be sure it works at least - went to peek inside. Are you also curious of the guts and how well or bad it is? Let's get into it!

Okay. The missing parts seems to be from other version of this device which powers with +51V DC and have POE support. Our thing have not, and so they skipped power supply route down to +12V, and then dropped it into 3.3V and 1.5V. Funny part is that they used 3 different types of transformers (long black boxes). Let's flip it over.

Not well washed out but it's OK. They have so called 'thermal interfaces' or just rubber mats to sink the heat into a metal cover. That's good. But the fun part again is that the guy who routed PCB was in bad relations with the guy who made a casing, so CPU is located right under the bolt hole. Solution was to move one rubber mat a bit off. And you can notice that there is an actual spot on the board marked with thin white line under that mat. So it is official production solution, not a hotfix.

What I liked the most - is that they nailed down the heatsinks right into PCB, so you can safely use this device upside down or however you want.