- Mack User's Guide USB U2781A

34 U2781A User’s Guide
3 Features and Functions
Chassis Temperature Monitoring
The chassis contains a temperature control circuitry. It has two
thermistor sensors to sense the inner temperature of the
chassis. The temperature control circuitry communicates with
backplane USB device through an I
2
C interface as illustrated in
Figure 3- 5.
Figure3-5 Block diagram of temperature monitoring and fan control
The SCPI command below queries the temperature reading from
the sensors in
o
C:
SYSTem:TEMPerature? {1|2}