Figure 2-4 shows the installation of the Bridge Module.

Figure 2-4. Installing the Bridge Module

4.Fasten the three spring-loaded screws on the front of the Bridge Module faceplate to the concentrator with your fingers to provide ground - do not overtighten.

As the Bridge Module performs its internal diagnostics, the Test LED on the front panel remains lit. Various LED combinations appear during the self-test. If the power-up self-test is successful, the Test LED goes off after approximately 20 seconds and the module returns to the configuration set up by the dip switches and the TX LED will blink.

If none of the module faceplate LEDs light or if the Test LED blinks, refer to Table 2-4 for appropriate action.

Installation 2 - 11

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3Com 5102B-EE installation and operation guide Installing the Bridge Module