Was looking to convert from a linux computer handling our serial to ethernet connections to device servers. I have a lantronix and a Moxa, but wanted to try out something less expensive. Setup was a little weird as there is no web interface, you have to download a configuration tool, to talk to the device. The link is a QR code on a card in the box. Default IP is 192.168.1.200 but you can change that once you are into the config tool. After I figured that out, I was able to make the correct configurations for each port. I am running our buildings HVAC system and access control system and it appears to work. I will update if it fails or if i have to reset it, because that would be a non-starter for me.
One interesting thing to note is the specs say the device server support's POE of 802.3. Technically it does, but not 802.3af (normal POE), it operates off of passive POE, presumably to save cost. Took 1 star off for that, though it does list the POE pinout as pins 4\5 and 7\8 which is passive POE not 802.3af.
UPDATE 2022-5-17 - I am using the RS-232 and RS-485 port and everything is still functioning.
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