22
February 2002
3920-A2-GK41-60
Notices
THIS EQUIPMENT HAS BEEN TESTED AND FOUND TO COMPLY WITH THE LIMITS FOR A CLASS A DIGITAL DEVICE,
PURSUANT TO PART 15 OF THE FCC RULES. THESE LIMITS ARE DESIGNED TO PROVIDE REASONABLE
PROTECTION AGAINST HARMFUL INTERFERENCE WHEN THE EQUIPMENT IS OPERATED IN A COMMERCIAL
ENVIRONMENT. THIS EQUIPMENT GENERATES, USES, AND CAN RADIATE RADIO FREQUENCY ENERGY AND, IF NOT
INSTALLED AND USED IN ACCORDANCE WITH THE INSTRUCTION MANUAL, MAY CAUSE HARMFUL INTERFERENCE
TO RADIO COMMUNICATIONS. OPERATION OF THIS EQUIPMENT IN A RESIDENTIAL AREA IS LIKELY TO CAUSE
HARMFUL INTERFERENCE IN WHICH CASE THE USER WILL BE REQUIRED TO CORRECT THE INTERFERENCE AT
HIS OWN EXPENSE.
THE AUTHORITY TO OPERATE THIS EQUIPMENT IS CONDITIONED BY THE REQUIREMENTS THAT NO
MODIFICATIONS WILL BE MADE TO THE EQUIPMENT UNLESS THE CHANGES OR MODIFICATIONS ARE EXPRESSLY
APPROVED BY PARADYNE.
WARNING
WARNING
TO USERS OF DIGITAL APPARATUS IN CANADA:
THIS CLASS [A] DIGITAL APPARATUS MEETS ALL REQUIREMENTS OF THE CANADIAN INTERFACEĆCAUSING
EQUIPMENT REGULATIONS.
CET APPAREIL NUMERIQUE DE LA CLASSE [A] RESPECTE TOUTES LES EXIGENCES DU REGLEMENT SUR LE
MATERIEL BROUILLEUR DU CANADA.
Government Requirements and Equipment Return
For regulatory approval, refer to the product labeling or contact your local representative.
For the 3920Plus standalone modems, the Universal Service Order Code (USOC) for Permissive mode is RJ11C.
The Canadian equivalent to RJ11C is CA11A. For 3900 Series carrier-mounted modems, the USOC for
Permissive mode is RJ21X. The Canadian equivalent to RJ21X is CA21A.
Certain governments require that instructions pertaining to modem connection to the public switched telephone
network be included in the installation document. 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 3920Plus modem and on the modem’s circuit card
assembly on the Model 3921Plus modem. If requested, this information must be provided to the telephone
company.
2. An FCC compliant telephone cord and modular plug is provided with this equipment. This equipment is
designed to be connected to the telephone network or premises wiring using a compatible modular jack
which is Part 68 compliant. See the Model 3921Plus Modem Installation section for details.