Dell Latitude XPi Reference Guide - Page 128
Modem Requirements, Type of Service, Telephone Company Procedures, If Problems Arise
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Modem Requirements This equipment operates in compliance with Part 68 of the FCC rules. In accordance with this regulation, the following requirements should be observed. Type of Service Your Dell notebook modem is designed to be used on standard device telephone lines. The modem connects to the telephone line by means of a standard jack called the USOC RJ-11C. Connection to a telephone-companyprovided coin service (central-office-implemented systems) is prohibited. Connection to party-line service is subject to state tariffs. Telephone Company Procedures The goal of the telephone company is to provide you with the best service it can. To this end, the company may need to occasionally make changes in its equipment, operations, or procedures. If these changes might affect your service or the operation of your equipment, the telephone company will give you notice, in writing, to allow you to make any changes necessary to maintain uninterrupted service. If you have any questions about your telephone line, such as how many pieces of equipment you can connect to it, the telephone company will provide this information on request. In certain circumstances, it may be necessary for the telephone company to request information from you concerning the equipment that you have connected to your telephone line. On request of the telephone company, provide the FCC registration number and the ringer equivalence number (REN) of the equipment that is connected to your line; both of these items are listed on the equipment label. The sum of all the RENs on your telephone line should be less than five to ensure proper service from the telephone company. In some cases, a sum of five may not be usable on a given line. If Problems Arise If your telephone equipment is not operating properly, immediately disconnect the modem from the telephone line, as it may harm the telephone network. If the telephone company notes a problem, it may temporarily discontinue service. When practical, it will notify you in advance of this disconnection. If advance notice is not feasible, you will be notified as soon as possible. When you are notified, you will be given the opportunity to correct the problem and informed of your right to file a complaint with the FCC. If repairs are needed on your Dell notebook modem, they should be performed by Dell Computer Corporation or an authorized representative of Dell Computer Corporation. To return products, you must call Dell customer service at the toll-free number shown in Chapter 5, "Getting Help," to receive a Credit Return Authorization Number. For more information on returning equipment, see the "Total Satisfaction" Return Policy in Appendix D, "Warranties and Return Policy." Installation and Labeling Your Dell notebook modem provides all the connections necessary for proper operation. Connection to the telephone network should be made with standard modular cords that connect to the jacks or the modem. Load Number The load number (LN) assigned to each terminal device denotes the percentage of the total load to be connected to a telephone loop which is used by the device to prevent overloading. The termination on a loop may consist of any combination of devices subject only to the requirement that the total of the LNs of all the devices does not exceed 100. An alphabetic suffix is also specified in the LN for the appropriate ringing type (A or B), if applicable. For example, LN = 20 A designates an LN of 20 and an "A" type ringer. IC Notice (Canada Only) Most Dell computer systems (and other Dell digital apparatus) are classified by the Industry Canada (IC) Interference-Causing Equipment Standard #3 (ICES-003) as Class B digital devices. To determine which classification (Class A or B) applies to your computer (or other Dell digital apparatus), examine all registration labels located on the bottom or the back panel of your computer (or other digital apparatus). A statement in the form of "IC Class A C-2 Dell Latitude XPi CD Reference and Troubleshooting Guide