xxiii
Regulatory notices

North American FCC and telephone company requirements

If your IBM Personal Computer comes with a m odem alread y ins talled , th e f ol lo win g
Federal Communications Commission (FCC) and telephone compan y re quirement s
apply:
1. The modem adapter card is located in the back of the system unit. It complies
with Part 68 of the FCC rules. A label is affixed to the built-in modem that
contains, among other things, the FCC registration number, USOC, and Ringer
Equivalency Number (REN) for this equipment. If these numbers are
requested, see “Opening the system unit” on page 7-5 to open the unit to get
the FCC registration number on the modem card.Provide this information to
your telephone company.
2. The REN is useful to determine the quantity of devices you may connect to y our
telephone line and still have those devices ring when your nu mber is call ed. In
most, but not all areas, the sum of the RENs of all devices 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 call your local telephone company to
determine the maximum REN for your calling area.
3. If the built-in modem causes harm to the telephone network, the telephone
company may discontinue your service temporar ily. If possible, they may notify
you in advance; if advance notice isn't practical , y ou w ill be notifi ed as soo n as
possible. You may be advised of your right to file a complaint with the FCC.
4. Your telephone company may make changes in its facilities, equipment, ope ra-
tions, or procedures that could affect the proper operation of your equip ment. If
they do, you may be given advance notice so as to give you an opportunity to
maintain uninterrupted service.
5. If you experience trouble with this built-in modem, contact your Authorized
Seller, or the IBM HelpCenter-PC, IBM Corporation, 3039 C ornwallis Rd., Bldg,
203, Research Triangle Park, NC 27709-2195 1-919-517-2800, for repair/
warranty information. The telephone company may ask you to disconnect this
equipment from the network until the problem has been corrected, or unti l you
are sure the equipment is not malfunctioning.
6. No customer repairs are possible to the modem.