2 Instrument Configuration
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2.3.2.3 Optical Preamplifier Panel
In general, the optical preamplifier panel is classified into two small panels, one for LS, MS signal
amplification panel, as shown in Figure 2-48; the other for HS signal amplification panel, as shown in
Figure 2-49.
Figure 2-48 Physical picture of LS, MS Signal
Amplifier Panel
Figure 2-49 Physical picture of HS Signal
Amplifier Pane
l
1 - Panel card power interface
2 - Signal testing interface
3 - HS signal input interface
4 - HS panel power outlet interface
5 - HS panel power inlet interface
6 - HS signal output interface
2.3.2.4 Front Panel
The front panel is mainly responsible for indicating the running status of the device, alarm notification
and linking with the manual control of the sampling touch signal switch, as shown in Figure 2-50.
Figure 2-50 Picture of the front panel
1 - Control signal
communication interface
2 - micro-switch interface
