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4.4.3 MP Advanced Power Strip Thresholds
When using the OpenComms EM to monitor MP Advanced Power Strips, you may set thresholds that
will trigger alerts for power, voltage, current and temperature sensors in each power strip.
Each sensor has four thresholds: High Critical, High Warning, Low Warning and Low Critical. The
Normal range is determined by these limits. Table 9 shows examples of limits for these types of sen-
sors. Each level is color-coded in the Web interface for easy identification.
Using the examples of temperature sensor limits in Table 7, the following is a typical scenario:
• The temperature of a monitored area rises to 90°F. The status changes at two points:
• The status changes to High Warning when the temperature reaches 75°F. The serial port
name, current reading and status are displayed in yellow text in the Web interface.
• As the temperature continues to rise, the status changes to High Critical at 85°F (displayed
in red text).
• At each change in status, the unit sends alerts if it is configured to do so.
• When the temperature falls to 74°F, the status changes to Normal (displayed in green text) and a
return-to-normal alert is sent if the unit is configured to send alerts.
• When the serial cable is disconnected from the unit, the status changes to Not Present (black
text) and the serial port’s name appears in gray text.
Table 9 Examples of sensor limits - MP Advanced power strip sensors
Limit
Examples of Limits Text Display Color
Graph
Line
Color
Power
(Watts)
Voltage
(VAC)
Current
(Amps)
Temperature
(°F)
Serial Port
Name
Status &
Current Value
High Critical 2400 132 20 85 Red Red Red
High Warning 1900 126 16 75 Yellow Yellow Yellow
Low Warning 1000 114 8 65 Yellow Yellow Yellow
Low Critical 500 108 4 60 Red Red Red
Other conditions
Normal 1 to 6999 115 to 125 0.1 to 19.9 66°F to 74°F Green Green —
Not Present (sensor is not connected) Gray Black —