Installation
Emerson
®
MPH2
™
User Manual 23
2.5.2 Temperature/Humidity Sensor Installation
Optional Liebert
®
SN temperature/humidity sensors are available to assist in monitoring conditions in the
rack. Liebert SN sensors are designed for installation in Emerson racks without tools, but each may be
placed in any area to monitor temperature and humidity levels. Each connects to the RPC2
communications module, which makes readings available to other monitoring methods.
To install a sensor in a rack:
1. Insert the sensor bracket base into one end of the sensor support.
2. Snap the sensor into the other end of the sensor support.
3. Choose where in the rack to install the sensor assembly.
4. Hold the sensor bracket on a T-slot on the Emerson rack frame where the sensor will be placed.
5. Insert the included quarter-turn fastener through the rectangular hole in the sensor bracket base and
into the T-slot.
6. Turn the fastener clockwise 90 degrees, a quarter of a turn.
7. Route the sensor cable to the RPC2 communications module and insert it into the card’s external
sensor port.
NOTE
Emerson recommends placing the sensor in the area of the rack that is likely to be warmest. That
location helps determine extreme conditions that can cause equipment damage.
NOTE
For more information, see the RPC2 user manual, SL-20841, available at Emerson’s Web site,
http://www.emersonnetworkpower.com
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