3Com 2940, 2941 manual LED State Repeating Description

Page 23

CABLE MODEM OPERATION

1.Cable Modem Power - Indicates power is applied to the cable modem. This light is solid green when the modem is on.

2.Cable Modem Status - This LED varies in color (orange and green) and indicates the modem’s status as described in the following chart:

LED STATE

REPEATING

DESCRIPTION

SHORT OFF, LONG ORANGE

YES

Startup, power on self test

ORANGE

NO

Failed power on self test

SHORT OFF, SHORT ORANGE

YES

Downstream hunt

LONG ORANGE, SHORT GREEN

YES

Acquisition in process

SHORT OFF, SHORT GREEN

YES

Offline/not authorized for service

GREEN

NO

Fully operational state

3.PC Link Status - Indicates that the cable modem is connected to the Ethernet card in your computer. This light is solid green when this link is established and your computer is turned on.

4.PC Link Activity - Indicates that data is being transmitted to or from your PC over the Ethernet port. Flashing orange indicates traffic. This LED should blink when data is being transmitted or received over the Ethernet port.

20

Image 23
Contents Page Table of Contents Regulatory Information and Limited Warranty Introduction Cable Modem FeaturesIntroduction Contacting Your Local Cable Company Before YOU BeginBefore YOU Begin Included Preparing Your WorkspaceYou Will Need These Items Not Included Configuring the TCP/IP Protocol on a Windows PCAdd Configuring the TCP/IP Protocol on a Macintosh PC Before YOU Begin Before YOU Begin Wall-Mount Installation Hardware and Software InstallationHardware and Software Installation OfficeConnect Stacking Installation Desktop InstallationHardware and Software Installation Connecting the Cable Modem to Your Computer Hardware and Software Installation Serial Catv Installing the Cable Connections CD-ROM Cable Modem Operation LED State Repeating Description Cable Modem Operation Cable Modem Operation Troubleshooting and Support Resources Problem Support Resources If You Need to Return the Modem to Us If You Are Still Having ProblemsDay Free Installation Support Troubleshooting and Support Resources Troubleshooting and Support Resources Manufacturer’s Declaration of Conformity Performance SpecificationsIndustry Canada IC Export NoticesLicense Agreement Radio and Television Interference UL Listing/CUL ListingHow to Identify and Resolve Radio- TV Interference Problems 3Com Corporation Limited WarrantyRegulatory Information and Limited Warranty Regulatory Information and Limited Warranty Regulatory Information and Limited Warranty Regulatory Information and Limited Warranty Provided Herein Shall Fail of ITS Essential Purpose