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Safety Instructions
D3810-A2-GB30-20 November 1996
Government Requirements and Equipment Return
Certain governments require that instructions pertaining to modem connection to the public switched
telephone network be included in the installation and operation manual. Specific instructions are
listed in the following sections.
United States
Notice to Users of the Public Switched Telephone Network
1. This
equipment complies with Part 68 of the FCC rules. On the equipment is a label that contains,
among other information, the FCC registration number and ringer equivalence number (REN) for
this equipment. The label is located on the bottom of the Model 3810 and 3820 modems. This label
is located on the Model 381
1’
s circuit card assembly
. If requested, this information must be
provided to the telephone company.
2.
Page A of this manual contains the Universal Service Order Codes (USOC) associated with the
services on which the equipment is to be connected.
3. The Ringer Equivalence (REN) is used to determine the quantity of devices which may be
connected to the telephone line. Excessive RENs on the telephone line may result in the devices
not ringing in response to an incoming call. In most, but not all areas, the sum of the RENs should
not exceed five (5.0). To be certain of the number of devices that may be connected to the line, as
determined by the total RENs, contact the telephone company to determine the maximum RENs
for the calling area.
4. If the 3800 Series modem 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 is not 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.
5. The telephone company may make changes in its facilities, equipment, operations, or procedures
that could affect the operation of the equipment. If this happens, the telephone company will
provide advance notice in order for you to make the necessary modifications in order to maintain
uninterrupted service.
6. If you experience trouble with this equipment, please contact your sales or service representative (as
appropriate) for repair or warranty information. If the product needs to be returned to the company service
center for repair, contact them directly for return instructions using one of the following methods:
• Via the Internet:
V
isit the Paradyne World W
ide W
eb site at http://www
.paradyne.com
• V
ia T
elephone: Call our automated call system to receive current information via fax or to speak with
a company representative.
— Within the U.S.A., call 1-800-870-2221
— International, call 813-530-2340
If the trouble is causing harm to the telephone network, the telephone company may request that you
remove the equipment from the network until the problem is resolved.
7. The user is not authorized to repair or modify the equipment.