Cisco Router DPC/EPC2425 DOCSIS User Manual
Have a look at the manual Cisco Router DPC/EPC2425 DOCSIS User Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 53 Cisco manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.
4028315 Rev A 101 Frequently Asked Questions Q. Can I watch TV and surf the Internet at the same time? A. Absolutely! If you subscribe to cable television service, you can watch TV and use your residential gateway at the same time by connecting your TV and your residential gateway to the cable network using an optional cable signal splitter. Q. Can I run more than one device on the modem? A. Yes. A single residential gateway w ill theoretically support up to 253 Ethernet devices utilizing user-supplied Ethernet hu bs or routers that you can purchase at your local PC or office supply retailer.
102 4028315 Rev A Having Difficulty? Having Difficulty? Common Troubleshooting Issues I dont understand the front panel status indicators See Front Panel LED Status Indicator Func tions, for more detailed information on front panel LED status indicator operation and function. The modem does not register an Ethernet connection Verify that your computer has an Ethern et card and that the Ethernet driver software is properly installed. If yo u purchase and install an Ethernet card, follow the installation inst ructions very carefully. Verify the status of the front panel LED status indicators. The modem does not register an Ethern et connection after connecting to a hub If you are connecting multiple PCs to th e residential gateway, you should first connect the modem to the uplink port of th e hub using the correct crossover cable. The LINK LED of the hub will illuminate continuously. The modem does not register a cable connection The modem works with a standard 75-ohm RF coaxial cable. If you are using a different cable, your residential gateway will not function properly. Contact your service provider to determine whethe r you are using the correct cable. Verify that you have followed the procedures in How Do I Troubleshoot My Internet Service Installation?. There is no dial tone when I lift the telephone handset Your telephone wiring may be connected to the wrong RJ-11 port on the residential gateway. The residential gatewa y has two telephone ports. Verify that you are connected to the correct telephone port. There may be a problem with your telephone set. Use a different telephone set and listen to hear dial tone. There may be a problem with your home telephone wiring. Use a telephone and connect directly to the same RJ-11 port on the back of the unit. If the dial tone is working here but does not work at other locations in the home, a professional may need to diagnose and repair a problem with your telephone wiring. Verify that the phone company has remove d the previous telephone service from your home telephone wiring. Your telephone service may not be enab led from your cable telephony service provider. Contact your cable telephony se rvice provider for more information.
4028315 Rev A 103 Tips for Improved Performance Tips for Improved Performance Check and Correct If your residential gateway does not perform as expected, the following tips may help. If you need further assistanc e, contact your service provider. Verify that the plug to your residentia l gateway AC power is properly inserted into an electrical outlet. Verify that your residential gateway AC power cord is not plugged into an electrical outlet that is controlled by a wall switch. If a wall switch controls the electrical outlet, make sure the switch is in the ON position. Verify that the POWER and ONLINE LED status indicators on the front panel of your residential gateway are illuminated. Verify that your cable service is active and that it supports two-way service. Verify that all cables are properly conne cted, and that you are using the correct cables. Verify that your TCP/IP is properly installed and configured if you are using the Ethernet connection. Verify that you have called your servic e provider and given them the serial number and MAC address of your residential gateway. If you are using a cable signal splitter so that you can connect the residential gateway to other devices, remove the spli tter and reconnect the cables so that the residential gateway is connected directly to the cable input. If the residential gateway now functions properly, the cabl e signal splitter may be defective and may need to be replaced. For best performance over an Ethernet connection, your PC should be equipped with a 10/100BASE-T network interface card.
104 4028315 Rev A Front Panel LED Status Indicator Functions Front Panel LED Status Indicator Functions Initial Power Up, Calibr ation, and Registration (AC Power applied) The following chart illustrates the sequ ence of steps and the corresponding appearance of the residential gateway fron t panel LED status indicators during power up, calibration, and registration on the network when AC power is applied to the residential gateway. Use this chart to troubleshoot the power up, calibration, and registration process of your residential gateway. Note: After the residential gateway completes Step 7 (Registration Completed), the modem proceeds immediately to Normal Op erations. See Normal Operations (AC Power applied). Front Panel LED Status Indicators During Initial Power Up, Calibration, and Registration Part 1, High Speed Data Registration Step: 1 2 3 4 5 6 Front Panel Indicator Self Test Downstream Scan Downstream Signal Lock Ranging Requesting IP Address Request High Speed Data Provisioning File 1 POWER On On On On On On 2 DS On Blinking On On On On 3 US On Off Off Blinking On On 4 ONLINE On Off Off Off Off Blinking 5 LAN1- LAN4 On On or Blinking On or Blinking On or Blinking On or Blinking On or Blinking 6 WIRELESS Off On or Blinking On or Blinking On or Blinking On or Blinking On or Blinking 7 TEL 1 On Off Off Off Off Off 8 TEL 2 On Off Off Off Off Off Part 2, Telephone Registration Step: 7 8 9 10 11 Front Panel Indicator Data Network Registration Complete Requesting Telephone IP Address Request Telephone Provisioning File Restarting Voice Service Telephone Registration Complete 1 POWER On On On On On 2 DS On On On On On 3 US On On On On On 4 ONLINE On On On On On 5 LAN1- LAN4 On or Blinking On or Blinking On or Blinking On or Blinking On or Blinking 6 WIRELESS On or Blinking On or Blinking On or Blinking On or Blinking On or Blinking 7 TEL 1 Off Blinking Off Blinking On 8 TEL 2 Off Off Blinking Blinking On
4028315 Rev A 105 Front Panel LED Status Indicator Functions Normal Operations (AC Power applied) The following chart illustrates the appearanc e of the residential gateway front panel LED status indicators during normal oper ations when AC power is applied to the gateway. Front Panel LED Status Indicators During Normal Conditions Front Panel Indicator Normal Operations 1 POWER On 2 DS On 3 US On 4 ONLINE On 5 LAN1-LAN4 ƒ On - When a single device is connected to the Ethernet port and no data is being sent to or from the modem ƒ Blinks - When only one Ethernet device is connected and data is being transferred between the consumer premise equipment (CPE) and the wireless home gateway ƒ Off - When no devices are connected to the Ethernet ports 6 WIRELESS ƒ On - When the wireless access point is enabled and operational ƒ Blinks - When data is being transferred between the CPE and the wireless home gateway ƒ Off - When the wireless access point is disabled by the user 7 TEL 1 ƒ On - When telephony service is enabled ƒ Blinks - When line 1 is in use 8 TEl 2 ƒ On - When telephony service is enabled ƒ Blinks - When line 2 is in use
106 4028315 Rev A Front Panel LED Status Indicator Functions Special Conditions The following chart describes the appearance of the cable modem front panel LED status indicators during special conditio ns to show when you have been denied network access. Front Panel LED Status Indicators During Special Conditions Front Panel Indicator Network Access Denied 1 POWER Slow Blinking 1 time per second 2 DS Slow Blinking 1 time per second 3 US Slow Blinking 1 time per second 4 ONLINE Slow Blinking 1 time per second 5 LAN1-LAN4 Slow Blinking 1 time per second 6 WIRELESS On 7 TEL 1 Off 8 TEL 2 Off
4028315 Rev A 107 For Information For Information If You Have Questions If you have technical questions, contac t your local cable service provider.
108 4028315 Rev A Notices Notices Trademarks Cisco, Cisco Systems, the Cisco logo, the Ci sco Systems logo, Scientific Atlanta, and SciCare are registered tradem arks or trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries. DOCSIS and EuroDOCSIS are registered trademarks of Cable Television Laboratories, Inc. PacketCable and EuroPacketCable are tradem arks of Cable Television Laboratories, Inc. Other trademarks mentioned in this document are the property of their respective owners. Disclaimer Cisco Systems, Inc. assumes no responsi bility for errors or omissions that may appear in this guide. We reserve the right to change this guide at any time without notice. Documentation Copyright Notice Information in this document is subject to change without notice. No part of this document may be reproduced in any form without the express written permission of Cisco Systems, Inc. Software and Firmware Use The software described in this docume nt is protected by copyright law and furnished to you under a license agreement. You may only use or copy this software in accordance with the terms of your license agreement. The firmware in this equipment is protecte d by copyright law. You may only use the firmware in the equipment in which it is provided. Any reproduction or distribution of this firmware, or any portion of it , without our express written consent is prohibited. FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. To maintain compliance with the FCC RF exposure guidelines, this equipment should be inst alled and operated with minimum distance of at least 7.8 in. (20cm) from all persons.
Service Provider Video Technology Group 5030 Sugarloaf Parkway, Box 465447 Lawrenceville, GA 30042 678.277.1000 www.scientificatlanta.com This document includes various trademarks of Cisco Systems, Inc. Please see the Notices section of this document for a list of the Cisco Systems, Inc., trademarks used in this document.. Product and service availability are subject to change without notice. © 2008 Cisco Systems, Inc. All rights reserved. Printed in United States of America November 2008 Part Number 4028315 Rev A