1.5.7.1 Rear Panel PCA
Refer to Figure 9 for the location of rear panel PCA. Rear panel PCA contains all the connections for
external communications, including analog input, analog output, digital inputs, digital outputs, RS232,
USB, and TCP/IP network connection (optional). Refer to Section 4.4.4 for details of all the jumper’s
function.
1.5.7.2 Chassis Fan
Refer to Figure 9 for the location of chassis fan. Chassis fan is assembled to the back side of the
instrument to maintain the Sernius 10 temperature. Fan filter is also installed with the fan to prevent
the instrument from dust.
Note: Clean the chassis fan filter on regular interval (refer to Section 6.4.2).
1.5.7.3 Power Supply
Refer to Figure 9 for the location of power supply. The power supply is a self-contained unit housed in
a steel case designed to meet all the relevant safety and EMC requirements. The new revision of power
supply is different to the previous revision as there is no need to set the operating voltage switch
because it is autoranging.
The output of the power supply provides +12 V, +5 V, -12 V and +3.3 V to the instrument.
ON/OFF Switch
The ON/OFF switch is located on the back panel (bottom right facing the rear of the instrument), refer
to Figure 10. It is part of the power supply.
Figure 10 – Power ON/OFF Switch
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