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Information to the user
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
- Consult the dealer or an experienced radio/TV technician for help.
CAUTION : Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
| Copyright |
Copyrightⓒ Corecess All rights Reserved.
No part of this book shall be reproduced, stored in a
retrieval system, or transmitted by any means, electronic,
mechanical, photocopying, recording, or otherwise,
without written permission from the publisher.
The specifications and information regarding the products
in this manual are subject to changed without notice.
| Trademark Credit |
Corecess 3221 is registered trademark of Corecess Inc.
Windows is registered trademark of Microsoft Corp.
Corecess Inc.
500-2, Sangdaewon-dong, Jungwon-ku, Sungnam-city,
Kyungki-do, Korea, 462-120
TEL:+82-31-739-6600 FAX: :+82-31-739-6622
http://www.corecess.com

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Summary of Contents for Corecess 3221

  • Page 1 The specifications and information regarding the products in this manual are subject to changed without notice. | Trademark Credit | Corecess 3221 is registered trademark of Corecess Inc. Windows is registered trademark of Microsoft Corp. Corecess Inc. 500-2, Sangdaewon-dong, Jungwon-ku, Sungnam-city,...
  • Page 2: Table Of Contents

    Using This Document Thank you for using the product of Corecess. This manual will show you how to set up the Corecess 3221 VDSL modem, and how to customize its configuration to get the most out of your new product.
  • Page 3: Unpacking The Box

    Note: The PC with Ethernet port or adapter is not provided but neccssary to install and configure the Corecess 3221. Before installing the Corecess 3221, prepare a PC. Caution : To reduce the risk of fire, use only No. 26AWG or larger telecommunication line cord.
  • Page 4: Connecting Cables

    Connecting Cables Caution : Before conneting cables to the Corecess 3221, please check the power switch on the Corecess 3221 is OFF. Connecting VDSL Line Unplug the telephone line from the telephone and plug the line to the port of the Corecess LINE 3221.
  • Page 5: Led Operations

    LED Operations When you have finished cabling, turn on the Corecess 3221 pressing the power switch on the back panel of the Corecess 3221 to the ON position. And then, check the status of the four LEDs on the front panel by the following table:...
  • Page 6: Front And Rear Panels

    TEST Green When the loopback test is finished, the TEST LED goes off. When the Corecess 3221 is connected with your PC, the LAN is ON. Green When data is sending/receiving between the Corecess 3221 and your PC, the DATA Green DATA LED is blinking.
  • Page 7: Technical Specifications

    Symmetrical : 1Mbps~26Mbps Asymmetrical: 50/30Mbps~1/1Mbps (Downstream/Upstream) Rate & Reach VDSL 300m - Symmetrical: 50/7Mbps over (Downstream/Upstream) - Asymmetrical: 25Mbps over - Asymmetrical: 25/3Mbps over (Downstream/Upstream) - Symmetrical: 13Mbps over Cable : CPEV 0.5 mm Band Plan Plan998 supported. Corecess 3221 Installation Guide...
  • Page 8 LINK : Indicates connection status with VDSL network (physical link). TEST : Indicates the loopback test status. : Indicates connection status with LAN card on the PC. DATA : Indicates data activity with the Corecess 3221 and PC. Temperature: 0°C ~ 50°C Environmental Conditions...
  • Page 9 Corecess 3221 Installation Guide...

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