Stock No. 004-000-0345-4U.S. Government Printing OfficeWashington, DC 20402In accordance with Part 15 of the FCC rules, the user is cautioned thatany changes or modifications to the equipment described in this manualthat are not expressly approved by 3Com could void the user’s authorityto operate the equipment.For CanadianModem UsersIndustry Canada (IC) This digital apparatus does not exceed the Class B limits for radio noiseemissions from digital apparatus set out in the interference-causingequipment standard entitled Digital Apparatus, ICES-003 of IndustryCanada.NOTICE: The Ringer Equivalence Number (REN) assigned to each terminaldevice provides an indication of the maximum number of terminalsallowed to be connected to a telephone interface. The termination on aninterface may consist of any combination of devices subject only to therequirement that the sum of the Ringer Equivalence Numbers of alldevices does not exceed 5.The Ringer Equivalence Number is located on the bottom of the modem.Notice The Industry Canada (IC) label identifies certified equipment. Thiscertification means the equipment meets certain telecommunicationsnetwork protective, operational, and safety requirements as prescribed inthe appropriate Terminal Equipment Technical Requirements document(s).The Department does not guarantee the equipment will operate to theuser’s satisfaction.Before installing this equipment, users should ensure that it is permissibleto be connected to the facilities of the local telecommunicationscompany. The equipment must also be installed using an acceptablemethod of connection. In some cases, the company’s inside wiringassociated with a single-line, individual service may be extended bymeans of a certified connector assembly (telephone extension cord.) Thecustomer should be aware that compliance with the above conditionsmay not prevent degradation of service in some situations. Currently,