Cisco Cisco DOCSIS EuroDOCSIS Transponder for GainStar Nodes and Amplifiers Installation Guide
Chapter 4 Troubleshooting
Transponder Signaling
To Troubleshoot from the LEDs
The following table lists the solutions with regard to the issues shown from the
transponder’s LED signaling.
Problem Description
Solution
The LED POWER is OFF
Verify the power supply of the node or
amplifier with the transponder installed.
Verify that connectors of the transponder are
clicked into the interface connectors in the
transponder slot.
The LED DS is OFF
Verify the power supply of the node or
amplifier with the transponder installed.
Verify that connectors of the transponder are
clicked into the interface connectors in the
transponder slot.
Verify the amplifier or node is connected to an
operating CMTS.
The LED US is OFF
Verify the power supply of the node or
amplifier with the transponder installed.
Verify that connectors of the transponder are
clicked into the interface connectors in the
transponder slot.
Verify the amplifier or node is connected to an
operating CMTS.
The LED Online is OFF
Verify the power supply of the node or
amplifier with the transponder installed.
Verify that connectors of the transponder are
clicked into the interface connectors in the
transponder slot.
Verify the amplifier or node is connected to an
operating CMTS.
Verify the amplifier or node is connected to an
operating DHCP server.
The LED Status is ON
Check if certain specs or properties exceeded
the limit of the alarm status of your
transponder. See Alarm section for details.
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