XE2420-ITR Просмотр технического описания (PDF) - Unspecified

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XE2420-ITR

The World’s First Complete PLCC Packaged Modem

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FCC Instructions

The XE2420 complies with part 68 of the FCC Rules and Regulations. With each device shipped, there is a label which con-

tains, among other information, the FCC Registration Number and Ringer Equivalence Number (REN) for this product. You

must, upon request, provide this information to your telephone company.

The mounting of this device in the final assembly must be made in such a manner as to preserve the high voltage protection be-

tween the TIP/RING Connection and the rest of the system. Typically, this may be accomplished by maintaining a minimum

spacing 100 mils between the TIP/RING Traces to the RJ-11C Jack and low voltage portion of the system. No additional cir-

cuitry may be attached between TIP/RING and the telephone line connection, unless specifically allowed in the rules.

The REN is useful to determine the quantity of devices you may connect to a telephone line and still have all of these devices

ring when the 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 the line, as determined by the REN, you should

contact the local telephone company to determine the maximum REN for you calling area.

If your system causes harm to the telephone network, the telephone company may discontinue service temporarily. If possible,

they will notify you in advance. If advance notification is not practical, you will be notified as soon as possible.

Your telephone company may make changes in its facilities, equipment, operations or procedures that could affect proper func-

tioning of your equipment. If they do, you will be notified in advance to give you an opportunity to maintain uninterrupted tele-

phone service.

If you experience trouble with this device, please contact XECOM at (408) 945-6640 for information on obtaining service or

repairs. The telephone company may ask you to disconnect this device from the network until the problem has been corrected

or until you are sure that the device is not malfunctioning.

The device may not be used on coin service lines provided by the telephone company (this does not apply to private coin tele-

phone applications which use standard telephone lines). Connection to party lines is subject to state tariffs.

XECOM

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XE2420

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