Cisco Systems 4027669 Front Panel LED Status Indicator Functions, LINK1

Page 28

Front Panel LED Status Indicator Functions

Front Panel LED Status Indicator Functions

Initial Power Up, Calibration, and Registration (AC Power applied)

The following chart illustrates the sequence of steps and the corresponding appearance of the cable modem front panel LED status indicators during power up, calibration, and registration on the network when AC power is applied to the cable modem. Use this chart to troubleshoot the power up, calibration, and registration process of your cable modem.

Note: After the cable modem completes step 8 (Registering with Call Agent), the modem proceeds immediately to Normal Operations (AC Power applied).

Front Panel LED Status Indicators During Initial Power Up, Calibration, and Registration

STEP

1

2

3

4

5

6

7

8

Front Panel

Power

Self

Downstream

Downstream

Ranging

Request

Registering

Register

LED

Up

Test

Scan

Signal Lock

 

IP

 

with Call

 

 

 

 

 

 

 

Address

 

Agent

1

POWER

On

On

On

On

On

On

On

On

 

 

 

 

 

 

 

 

 

 

2

DS

Blink

On for 1

Blink

On

On

On

On

On

 

 

 

second

 

 

 

 

 

 

3

US

Blink

On for 1

Off

Off

Blink

On

On

On

 

 

 

second

 

 

 

 

 

 

4

ONLINE

Blink

On for 1

Off

Off

Off

Off

Blinking

On

 

 

 

second

 

 

 

 

 

 

5

LINK1

Off

On for 1

On or Blink

On or Blink

On or

On or

On or Blink

On

 

 

 

second

 

 

Blink

Blink

 

 

1The LINK LED is on whenever a PC is connected to the modem, and it blinks to indicate that data is being transferred. If the modem provides telephone service only and is not connected to a PC, the LINK LED is OFF.

28

4028103 Rev A

Image 28
Contents Important Safety Instructions This DocumentImportant Safety Instructions Mitteilung für CATV-Techniker Aviso a los instaladores de sistemas CatvPower Source Warning Ground the ProductProtect the Product from Lightning Verify the Power Source from the On/Off Power LightProtect from Exposure to Moisture and Foreign Objects Service Warnings Check Product Safety Protect the Product When Moving ItFCC Compliance United States FCC ComplianceDeclaration of Conformity Canada EMI RegulationBenefits and Features IntroductionWhats In the Carton? Front Panel Description Back Panel Description Where Is the Best Location for My Cable Modem? What Are the System Requirements for Internet Service? Minimum System Requirements for a PCMinimum System Requirements for Macintosh System Requirements for an Ethernet ConnectionDo Not Have a High-Speed Internet Access Account How Do I Set Up My High-Speed Internet Access Account?Already Have an Existing High-Speed Internet Access Account How Do I Connect My Devices to Use the Internet? Connecting and Installing Internet DevicesTo connect devices Connecting the Modem for High-Speed Data Service Configuring TCP/IP on Your Internet Devices How Do I Configure TCP/IP Protocol?Configuring TCP/IP on Windows 95, 98, 98SE, or ME Systems Configuring TCP/IP on Windows 2000 Systems Configuring TCP/IP on Windows XP SystemsConfiguring TCP/IP on Macintosh Systems Installing USB Drivers How Do I Install USB Drivers?Installing USB Drivers Installing USB Drivers on Windows XP Systems How Do I Mount the Modem on a Wall? Optional Before You BeginLocation and Dimensions of the Wall-Mounting Slots Frequently Asked Questions Having Difficulty?Common Troubleshooting Issues Dont understand the front panel status indicatorsCable modem does not register an Ethernet connection Cable modem does not register a cable connectionTips for Improved Performance Check and CorrectHow Do I Renew the IP Address on My PC? Renewing the IP Address on Windows NT, 2000, or XP SystemsFront Panel LED Status Indicator Functions LINK1Normal Operations AC Power applied Special ConditionsTrademarks DisclaimerDocumentation Copyright Notice Software and Firmware Use
Related manuals
Manual 2 pages 6.21 Kb

4027669 specifications

Cisco Systems is a leading global technology company known for its networking hardware, software, and telecommunication equipment. Among its expansive product line, the DPQ2160 DOCSIS 2.0 modem series and the EPC3925 are significant models utilized in various internet service delivery scenarios.

The DPQ2160 is a DOCSIS 2.0 compliant modem that offers an efficient solution for cable internet services. It features an advanced design to enhance data transfer rates and is compatible with both downstream and upstream channels. With a maximum downstream data rate of 38 Mbps, this modem supports high-speed internet access ideal for home and small business environments. It also ensures reliable connectivity through its robust channel bonding capabilities, which allow multiple data streams. Additionally, the DPQ2160 integrates a user-friendly web interface for easy management and configuration, making it simple for users to troubleshoot and monitor their connection.

Cisco’s EPC3925 is a versatile gateway that satisfies both broadband connectivity and Wi-Fi needs. It combines DOCSIS 3.0 capabilities, enabling high-definition video streaming, online gaming, and other bandwidth-intensive applications. The EPC3925 supports various wireless standards, including 802.11n, providing a strong and reliable Wi-Fi connection throughout homes or offices. Its dual-band feature ensures users can connect multiple devices while minimizing interference. Furthermore, the EPC3925 offers advanced security features, including built-in firewall capabilities and support for Wi-Fi Protected Access (WPA) encryption, which safeguards users' networks.

Both the DPQ2160 and EPC3925 incorporate technologies aimed at improving user experience. They are designed for easy setup, often featuring plug-and-play capabilities that allow for rapid installation without the need for extensive configuration knowledge. Cisco’s emphasis on quality and reliability ensures that these devices consistently provide the performance required in today’s data-driven world.

The models also demonstrate strong backward compatibility with earlier DOCSIS versions, ensuring that users can maintain their internet service even if they have older infrastructure. This versatility is vital for service providers, allowing them to deploy these devices in various scenarios with minimum disruption.

Overall, Cisco's DPQ2160 and EPC3925 modems reflect the company’s commitment to driving connectivity and communication innovations, providing users with essential tools for navigating an increasingly online world. With advanced features and robust performance, these devices exemplify Cisco's dedication to ensuring seamless and secure internet access.