COMSPHERE 3900 Series Modems
A February 2002 3910-A2-GN32-41
COMSPHERE3900 Series ModemsModels 3910 and 3911Point-to-Point/Multipoint
Installation and Operation Manual
3910-A2-GN32-41
6th Edition (February 2002)
Changes and enhancements to the product and to the information herein will be documented and issued as a new release to
this manual.
For the 3900 Series 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.
FCC Registration number: See label on modem
Ringer Equivalence number (REN): See label on modem
Model 3910
Canadian Certification number: See label on modem
Canadian DOC Load number: See label on modem
Model 3911
Canadian Certification number: See label on modem
Canadian DOC Load number: See label on modem

Warranty, Sales, and Service Information

Contact your sales or service representative directly for any help needed. For additional information concerning warranty,
sales, service, repair, installation, documentation, or training, use one of the following methods:
Via the Internet: Visit the Paradyne World Wide Web site at http://www.paradyne.com
Via Telephone: 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
Outside the U.S.A., call 727-530-2340

Trademarks

All products and services mentioned herein are the trademarks, service marks, registered trademarks or registered service
marks of their respective owners.
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