Patton electronic 2120 用户手册

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After configuring and installing the Model 2120, you are ready for opera-
tion. This section describes the operation of the Model 2120 Single Port 
Terminal Server.

The Model 2120 features seven top panel LEDs and two rear panel 
LEDs. The figures below show the their position. A description of each 
LED follows each figure. 

Figure 12 shows the LEDs on the rear panel, Table 2. lists the LED defi-
nitions.

Figure 12. Model 2120 Rear Panel LEDs