Conceptronic CUPS1200 Handbuch Seite 8

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IV: Connect LAN cable, Modem or Phone line for Surge Protection
Connect for example a single modem or phone line into surge-protected "IN"
outlet on the back panel of the UPS unit. Connect from "OUT" outlet to the
computer with another phone line cable.
V: Connect USB Cable
To monitor the UPS status, such as unattended UPS shutdown and start-up, by
using bundled software, please connect the UPS and PC with USB cable included.