Agilent Technologies U2781A Chassis Temperature Monitoring

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 I2C 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 oC:
SYSTem:TEMPerature? {1|2}