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Demand test descriptions and error codes - Avaya Support

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Figure 66: G650 Cabinet Environmental Hardware Components<br />

Use status environment to obtain:<br />

● Inlet temperature - 655A power supply sensor<br />

● Exhaust temperature - G650 carrier exhaust air sensor<br />

● Hot Spot temperature - 655A power supply sensor<br />

- The system generates a warning at 176 o Fahrenheit (80 o Celsius).<br />

- The power supply shuts down at 194 o Fahrenheit (90 o Celsius).<br />

● Power supply output voltage measurements, +5VDC, -5VDC, <strong>and</strong> -48VDC<br />

● Fan Control - The speed of the fans, either mid (normal) or high (fan failure or hot spot<br />

temperature limit exceeded).<br />

● Fan Alarm - Detection of a blocked or failed fan<br />

● Ring Status - OK, overload, shorted, or failed<br />

● Ring Control - Active, st<strong>and</strong>by, disabled, off (shorted or failed)<br />

● Ringer Setting - 20Hz, 25Hz, or other<br />

● Ring Detection - Reports if power supply detects ring on the backplane ring leads<br />

824 Maintenance Alarms for Communication Manager, Media Gateways <strong>and</strong> Servers

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