Nortel Networks manual AN/DC LED Descriptions, Front-Panel LEDs, Meaning

Installing and Operating AN/DC and ANH-8/DC Systems

AN/DC LED Descriptions

LEDs on the AN/DC front and back panels provide information about how the AN/DC is operating. The following sections describe the AN/DC front- and back-panel LEDs. For information on the ANH-8/DC LEDs, see ANH-8/DC LED Descriptions.

Front-Panel LEDs

Table 4-1 describes the AN/DC front-panel LEDs. These LEDs indicate the status of the AN/DC itself. All front-panel LEDs light briefly when the AN/DC first receives power.

Table 4-1.	Front-Panel LEDs
LED	Meaning
POWER	Lights and remains on when the AN/DC is receiving power.
RUN	Blinks for 1 to 3 minutes, indicating that diagnostic tests are running.
	When it lights again and remains lit, the AN/DC is operational.
BOOT	Lights for 1 to 3 minutes, indicating that diagnostic tests were
	successful and the AN/DC is booting.
DIAG	Lights and remains lit when diagnostic failure occurs.

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