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Cisco Bug: CSCta85209 - Thermal Alarm on Si324x cause repeated iLoopman-mode trigger

Last Modified

Jan 27, 2015

Products (1)

  • Cisco 2800 Series Integrated Services Routers

Known Affected Releases

23.8(4)DSP

Description (partial)

Symptom:
The IOS shows that a Thermal has been detected on a voice-port. For example: "Thermal alarm on DSP channel ch=3 is OFF". When a Thermal Alarm is detected, the DSP puts the codec chip into iLoopMan-mode.

Conditions:
A Thermal Alarm is commonly caused by a hardware failure. Either the port itself or the equipment connected to the port is defect.
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