User manual PLANTRONICS T20

[. . . ] Slots and openings in the base unit and the bottom or back are provided for ventilation to protect it from overheating; these openings must not be blocked or covered. The openings should never be blocked by placing the product in the bed, sofa, rug or other similar surface. This product should never be placed near or over a radiator or heat register. [. . . ] Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations. Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface. This product is intended to be supplied by a Listed Class 2 Direct Plug-In Power Unit rated 9VDC 800mA. 45669-01, rated at an input voltage of 120 VAC, 60Hz and an output voltage of 9 VDC at 800mA. In order to have phone service during a power outage, have another telephone available that is powered only by the telephone line. Keep all product cords and cables away from operating machinery. EARLOOP USE FCC Requirements--Part 68 This equipment complies with Part 68 of the FCC Rules. This label contains the FCC Registration Number and Ringer Equivalence Number (REN) for this equipment. If requested, this information must be provided to your telephone company. The REN is useful to determine the quantity of devices you may connect to your telephone line and still have all of those devices ring when your telephone number is called. In most, but not all areas, the sum of the RENs of all devices connected to one line should not exceed five (5. 0). To be certain of the number of devices you may connect to your line, as determined by the REN, you should contact your local telephone company to determine the maximum REN for your calling area. Connection to the telephone network should be made by using standard modular telephone jacks, type RJ11. If this telephone equipment causes harm to the telephone network, the telephone company will notify you in advance that temporary discontinuance of service may be required. But if advance notice isn't practical, the telephone company will notify the customer as soon as possible. Also, you will be advised of your right to file a complaint with the FCC if you believe it is necessary. The telephone company may make changes in its facilities, equipment, operations, or procedures that could affect the proper functioning of your equipment. If they do, you will be notified in advance in order for you to make necessary modifications to maintain uninterrupted service. [. . . ] contact Plantronics at (800) 544-4660 and in Canada call (800) 540-8363. If you need additional information, please contact our service centers at the numbers provided. · THIS IS PLANTRONICS' COMPLETE WARRANTY FOR THE PRODUCTS. [. . . ]