Raritan PX3-4000 series, Руководство пользователя

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Chapter 6: Using the Web Interface
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
Position

Serial number

Type

Channel (for a sensor package with contact closure or dry
contact channels)

Whether the sensor is an 'Actuator' or not (if yes, this icon
appears in the Actuator column)

Reading

State
States of Managed Sensors
An environmental sensor shows the state after being managed.
Available sensor states vary depending on the sensor type -- numeric or
discrete sensors. For example, a contact closure sensor is a discrete
(on/off) sensor so it switches between three states only -- unavailable,
alarmed and normal.
Note: Numeric sensors show both numeric readings and sensor states to
indicate environmental or internal conditions while discrete (on/off)
sensors show sensor states only to indicate state changes.
Sensor state Applicable to
unavailable All sensors
alarmed Discrete sensors
normal All sensors
below lower critical Numeric sensors
below lower warning Numeric sensors
above upper warning Numeric sensors
above upper critical Numeric sensors