Paradyne GranDSLAM 4200 manual LED Meanings, Led

3. LEDs

LED Meanings

When power is first applied to the unit, it performs a power-on self-test. When this test is successfully completed, the Status LED blinks. The meaning of all the LEDs is shown in Table 3-1, Front Panel LEDs.

Table 3-1. Front Panel LEDs

LED	Color	State	Meaning
ALARM	Amber	Off	No Alarms.
		On	At least one major or critical alarm has been
			detected.
		Blinking	At least one minor or automatic message alarm
			has been detected. No major or critical alarms
			have been detected.
DSL Port	Green	Off	The port is disabled or no signal is detected on
(1–24)			the line.
		On	The port has successfully trained with the remote
			and is active.
		Blinking	The port is attempting to train.
STATUS	Green	Off	No power.
		On	The unit has power and has completed
			initialization and the self-test.
		Blinking	Normal operation.
TEST	Amber	Off	Normal operating mode. No disruptive tests are
			active in the system.
		On	At least one disruptive test is active in the
			system.
UPLINK1	Green	Off	The link is disabled, or no physical connection
			exists.
		On	The link is up.
		Blinking	An ATM alarm is occuring on the uplink.

1For an IMA group connection, the UPLINK LED goes off when that group connection is down. However, if any link in the group goes down, the UPLINK LED blinks.

3-2 October 2002 4200-A2-GN20-10