W W W.T A L K S W I T C H . CO M 2 5T S - 4 0 0 U S E R G U I D EFCC REGISTRATION AND REPAIR INFORMATIONYour new product has been registered with the Federal Communication Commission(FCC). This product complies with standards in Part 68 of the FCC Rules. Thisproduct is Hearing Aid Compatible and Volume Control is in compliance with FCCPart 68 and the Hearing Aid Compatibility Act. The FCC requires us to provide youwith the following information:Note: the TS-400 telephone is intended for use only behind a TalkSwitch PBX.CONNECTION AND USE WITH THE NATIONWIDE TELEPHONE NETWORKThe modular telephone outlet or jack to which the telephone must be connectedis a USOC RJ-11C or RJ-11W. The TS-400 telephone has a ringer equivalencenumber (REN) of 1.9BREPAIR INSTRUCTIONSIf it is determined that your telephone equipment is malfunctioning, the FCCrequires that it not be used and that it be unplugged from the modular outletuntil the problem has been corrected. Repairs to the telephone equipment canonly be made by the manufacturer or its authorized agents or by others whomay be authorized by the FCC. For repair procedures, follow instruction outlinedunder the “Limited Warranty”.INTERFERENCE INFORMATION: PART 15 OF FCC RULESSome telephone equipment generates, uses, and can radiate radio-frequencyenergy and, if not installed and used properly, may cause interference to radioand television reception.Your product has been tested and found to meet the standards for a Class Bdigital device, as specified in Part 15 of the FCC Rules. Operation is subject tothe following two conditions: (1) this device may not cause harmfulinterference, and (2) this device must accept any interference received,including interference that may cause undesired operation.These specifications are designed to provide reasonable protection against suchinterference in a residential installation. However, there is no guarantee thatinterference will not occur in a particular installation.