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Chapter 5: Troubleshooting
5-2 HSIM-W87 User’s Guide
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.
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.