TE20 Videoconferencing Endpoint
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11 Troubleshooting
This chapter describes how to diagnose and troubleshoot endpoint faults.
11.1 Fault Diagnosis
The endpoint supports the following diagnosis methods: sound and color bar tests, loopback
tests, network tests, one-click diagnosis, signaling diagnosis, and tracert.
11.1.1 Fault Diagnosis Model
Figure 11-1 shows the diagnosis model for your endpoint.
Figure 11-1 Diagnosis model
According to Figure 11-1, diagnosis functions diagnoses the audio module, video module, and
network module.
Audio signals are transmitted in the following paths:
Local microphone → 1 → 5 → Communications network → 6 → 7 → Remote speaker
Local speaker ← 2 ← 5 ← Communications network ← 6 ← 8 ← Remote microphone
Video signals are transmitted in the following paths:
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