Lucent Technologies Release 6 manual Circuit Pack LEDs, Color Status Description

DEFINITY Enterprise Communications Server Release 6	Issue 5
Installation and Test for Multi-Carrier Cabinets 555-230-112	May 1998

4Test the System

LED Indicators Page 4-14

Circuit Pack LEDs

Typically, each circuit pack has 3 LEDs on the front panel. Table 4-1 describes the red, green, and yellow LEDs and their meaning. Also see Figure 4-1.

Table 4-1. Circuit Pack LEDs

LED
Color	Status	Description
Red	Alarm	The system has detected a fault in this circuit pack. The alarm log
		should contain an on-board alarm. The red LED is also lit briefly
		when a circuit pack is inserted or reset. If the circuit pack passes its
		initialization tests, the LED goes out.
Green	Testing	The system is currently running tests on this circuit pack as part of
		background maintenance or demand testing. This LED is also lit
		during initialization tests when a circuit pack is inserted or reset.
Yellow	Busy	The circuit pack is currently in use by the system.

Figure Notes
1.	Alarm LED (Red)	4.	Latch Pin
2.	Test LED (Green)	5.	Locking Lever
3.	Busy LED (Yellow)

Figure 4-1. Circuit Pack LEDs