Cisco Router DPC3925 User Manual

							4021192 Rev B 
 Front Panel LED Status Indicator Functions 
 
  
Normal Operations (AC Power applied) 
The following chart illustrates the appearance of the residential gateway front panel 
LED status indicators during normal operations 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 ETHERNET 
1 - 4 
 On - When a single device is connected to the Ethernet port and no data is being sent 
to or from the modem 
 Blinks - When only one Ethernet device is connected and data is being transferred 
between the consumer premise equipment (CPE) and the wireless home gateway 
 Off - When no devices are connected to the Ethernet ports 
6 USB  On - When a single device is connected to the USB port and no data is being sent to or 
from the modem 
 Blinks - When only one USB device is connected and data is being transferred between 
the consumer premise equipment (CPE) and the wireless home gateway 
 Off - When no devices are connected to the USB ports 
7 WIRELESS 
LINK 
 On - When the wireless access point is enabled and operational 
 Blinks - When data is being transferred between the CPE and the wireless home 
gateway 
 Off - When the wireless access point is disabled by the user 
8 WIRELESS 
SETUP 
 Off - When wireless setup is not active 
 Blinks - When wireless setup is active to add new wireless clients on the wireless 
network 
9 TEL 1  On - When telephony service is enabled 
 Blinks - When line 1 is in use 
10 TEL 2  On - When telephony service is enabled 
 Blinks - When line 2 is in use    
						

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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 conditions 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 ETHERNET 
1 - 4 
Slow Blinking 
1 time per second 
6 USB Slow Blinking 
1 time per second 
7 WIRELESS 
LINK 
Slow Blinking 
1 time per second 
8 WIRELESS 
SETUP 
Slow Blinking 
1 time per second 
9 TEL 1 Off 
10 TEL 2 Off 
 
  
						

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 Notices 
 
Notices 
Trademarks 
Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its 
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at www.cisco.com/go/trademarks. 
DOCSIS is a registered trademark of Cable Television Laboratories, Inc. 
EuroDOCSIS, EuroPacketCable, and PacketCable are trademarks of Cable Television 
Laboratories, Inc. 
Other third party trademarks mentioned are the property of their respective owners. 
The use of the word partner does not imply a partnership relationship between 
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invention claimed in any existing or later issued patent. 
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© 2010, 2012 Cisco and/or its affiliates.  All rights reserved.  Printed in the United States of 
America. 
Information in this publication is subject to change without notice. No part of this 
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Software and Firmware Use 
The software described in this document 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.  
						

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Notices 
 
The firmware in this equipment is protected 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. 
 
  
						

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This document includes various trademarks of Cisco Systems, Inc. Please see the Notices 
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May 2012     Printed in USA  
 
Part Number 4021192 Rev B