ClearOne comm XAP 400 Telco Echo Return Loss Enhancement TERLE, Total Telco Echo Reduction

Models: XAP 400

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Telco Echo Return Loss Enhancement (TERLE)

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Operation ~ Monitoring Views

Telco Echo Return Loss Enhancement (TERLE)

The Telco Echo Return Loss Enhancement meter shows the loss through the telephone echo cancellation process. It is the ratio of the two levels. The range of the meter is -30 to +20dB. It is a peak meter and updates only when a signal is present.

Total Telco Echo Reduction

The Total Telco Echo Reduction meter is the sum of the TERL and TERLE meters. It indicates the total echo return loss in the system. The range of the meter is -50 to 0dB. It is a peak meter and only updates when signal is present.

Transmit Input

This meter shows the audio input level from the Matrix to the XAP 400 for transmission to the telephone line. The range of the meter is -30 to +20dB.

Transmit Output

This meter shows the transmit audio output level from the XAP 400 to the Telco DAA. The range of the meter is -30 to +20dB.

Receive Input

This meter shows the audio level input to the XAP 400 as it is received from the Telco DAA. The range of the meter is -30 to +20dB.

Receive Output

This meter shows the receive audio level output to the Matrix. The range of the meter is -30 to +20dB.

Technical Services Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760

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ClearOne comm XAP 400 Telco Echo Return Loss Enhancement TERLE, Total Telco Echo Reduction, Transmit Input, Receive Input