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SER-BUS (Serial communication bus)
Issue 1 June 2005 1959
Figure 115: G650 Cabinet Environmental Hardware Components
Use status environment to obtain:
● Inlet temperature - 655A power supply sensor
● Exhaust temperature - G650 carrier exhaust air sensor
● Hot Spot temperature - 655A power supply sensor
- The system generates a warning at 176
o
Fahrenheit (80
o
Celsius).
- The power supply shuts down at 194
o
Fahrenheit (90
o
Celsius).
● Power supply output voltage measurements, +5VDC, -5VDC, and -48VDC
● Fan Control - The speed of the fans, either mid (normal) or high (fan failure or hot spot
temperature limit exceeded).
● Fan Alarm - Detection of a blocked or failed fan
● Ring Status - OK, overload, shorted, or failed
● Ring Control - Active, standby, disabled, off (shorted or failed)
● Ringer Setting - 20Hz, 25Hz, or other
● Ring Detection - Reports if power supply detects ring on the backplane ring leads