Shows: Not all UPS units have shows (and you might not care if yours does), but they may be really practical. Older models and newer minimal-finish models will not include shows. Therefore, you're limited in receiving responses with the device possibly by means of interaction around the USB/serial cable or https://lukas0112g.ja-blog.com/33982448/the-smart-trick-of-ups-syndome-that-no-one-is-discussing