Not sure if this board will go for Low Telecom? Old PBX system.

Thanks

Should remove the plastic faceplate. This would clear low Telco for sure; I'm unsure if this particular board would go high Telco or not but it might.

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Here to learn more so I can recycle more
My grades are my own opinion and not an official grade from Boardsort

high telco is just low telco cleaned up. take off the stuff that doesn't look valuable. anything large and chunky like the red blocks there, the resistors, etc.. if it doesn't look gold, silver or a chip, it can go

Agree. However, that board is probably high telco even with the bits of fairly light junk.
Also see:
Viewtopic.php?f=4&t=22786
regarding some PBX boards. Some low telco can't be cleaned up.

Thank you.