Cabletron Systems HSIM-W87 manual Status STS LED is OFF

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Chapter 5: Troubleshooting

NOTE

It may be necessary to provide proof of proper configuration of your WAN connection. Service Providers typically require proof that the customer’s equipment is configured correctly before checking their own configuration.

Status (STS) LED is OFF

The port is operating normally. If it is not, and this LED is OFF, the port may be disabled. Use management to make sure that the WAN interface on the HSIM-W87 is configured correctly.

Status (STS) LED is RED

A RED alarm indicates that the WAN connection is not receiving proper framing or has lost framing from the remote device.

Verify the framing, zero suppression, and T3 clock source.

Verify the use of proper cabling on the WAN connection.

Status (STS) LED is AMBER

The device is in Yellow alarm mode. A Yellow alarm indicates that the HSIM-W87 is receiving proper framing from the Telco, but the Telco is not receiving proper framing.

Check for faulty or incorrect cabling between the Telco and the HSIM-W87.

Request that the Telco verify the configuration and operation of the circuit.

Status (STS) LED is AMBER (blinking)

Device is in test mode.

The HSIM-W87 is running its Power-up Diagnostic Tests.

Loopback Testing is underway on a WAN circuit. Loopback testing can be initiated by the Telco.

5-2

HSIM-W87 User’s Guide

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Contents HSIM-W87 Page HSIM-W87 User’s Guide Industry Canada Notice Cabletron Software Program License HSIM-W87 User’s Guide Contents Contents Important Notice Using this ManualChapter Introduction Overview Imux Connectivity FeaturesData Flow in the HSIM-W87 Hdlc Inverse Multiplexing ImuxSnmp and MIB Support 5 DS1 AlarmPriority Queuing Lanview Diagnostic LEDs Document ConventionsRelated Documentation Bold typeGetting Help Your email addressHSIM-W87 User’s Guide Chapter Installation Unpacking the HSIM-W87Installing the HSIM-W87 Installing the HSIM-W87 in an Interface ModuleInstalling the HSIM-W87 Installing the HSIM-W87 Installing the HSIM-W87 in a Standalone Device Connecting the HSIM-W87 to the Network HSIM-W87 SetupChapter Lanview LedsLanview LEDs Chapter Management Local ManagementManagement Network Tools Commands HelpCommand Built-in Commands ImuxExample Imux 1 -ac 1Command wanpq WanpqCommand ds1alarm Syntax ds1alarm Ds1alarmCommand dsx1 Command dsx3 Dsx1Dsx3 Special Commands SyntaxDescription OptionsSample Imux Configuration Imux 1 -ac 1Sample Imux Configuration Enabling the Imux Application Hardware Troubleshooting Chapter TroubleshootingTroubleshooting the HSIM-W87 Status STS LED is OFF Investigating Software Configuration Problems Problems with the Firmware ImageHSIM-W87 User’s Guide Environmental Requirements Appendix a SpecificationsPhysical Properties Regulatory Compliance Appendix B Typical Configuration Appendix B Typical Configuration Appendix C WAN Terms and Acronyms Appendix C WAN Terms and Acronyms WAN Terms and Acronyms HSIM-W87 User’s Guide WAN Terms and Acronyms HSIM-W87 User’s Guide