3Com 7000 manual Power-On, System States

5

POWER-ON

This chapter describes the system states of the CoreBuilder® 7000 family ATM switch including power-on and some basic diagnostic information to help you verify normal operation of your CoreBuilder system.

This chapter describes the following topics:

■System States

■System Power-on

■4-Port Interface Module LEDs

System States	This section describes the different system states of the 8-Port Board and
	how they are indicated on the LED display.

The system states are:

■Power-on

■Normal operation

■Hardware fault

■Software fault

■No power to unit

System States and LED indicators are located on the front panels of the CoreBuilder 7000, its Switching Module power supply, switching modules, and interface modules. These LEDs

LEDs indicate the current system state of the CoreBuilder unit and its components. Front panel LEDs can be extremely useful in determining the cause of specific problems.

The system state in which the CoreBuilder 7000 unit is currently operating is displayed by the switching module system status LEDs. Referring to Figure 9, these are the three LEDs: PWR, FAIL, and ACT(ive)