REGULATORY I NFORMATION AND LIMITED WARRANTY102Manufacturer’s Declaration ofConformity3Com Corporation7770 North Frontage RoadSkokie, Illinois 60077-2690U.S.A.declares that the product U.S. Robotics® 56KVoice Faxmodem conforms to the FCC’sspecifications:Part 15; Subpart B Class B:Operation is subject to the following twoconditions:(1) this device may not cause harmfulelectromagnetic interference, and(2) this device must accept any interferencereceived including interference that may causeundesired operations.Part 68:This equipment complies with FCC Rules Part68. Located on the bottom of the modem isthe FCC Registration Number and RingerEquivalence Number (REN). You mustprovide this information to the telephonecompany if requested.The REN is used to determine the number ofdevices you may legally connect to yourtelephone line. In most areas, the sum of theREN of all devices connected to one line mustnot exceed five (5.0). You should contactyour telephone company to determine themaximum REN for your calling area.