Nortel Networks 450 manual Troubleshooting

Troubleshooting

BayStack 450-12F Switch

Cas
Pwr Up	1	2	3	4	5	6	7	8	9	10 11 12

Link

Status Dwn

F Dx

RPSU Base

Activity

BayStack 450-12F

= Dual color LED

BS45071A

Figure 4-2. BayStack 450-12F LED Display Panel

Table 4-1.	BayStack 450 Switch LED Descriptions
Label	Type	Color	State	Meaning
Pwr	Power status	Green	On	DC power is available to the switch’s internal circuitry.
			Off	No AC power to switch or power supply failed.
Status	System status	Green	On	Self-test passed successfully and switch is operational.
			Blinking	A nonfatal error occurred during the self-test.
			Off	The switch failed the self-test.
RPSU	RPSU status	Green	On	The switch is connected to the HRPSU and can receive
				power if needed.
			Off	The switch is not connected to the HRPSU or HRPSU is
				not supplying power.
CAS Up	Stack mode		Off	The switch is in standalone mode.
		Green	On	The switch is connected to the upstream unit’s Cascade A
				In connector.
		Amber	On	The Cascade A Out connector (CAS Up) for this switch is
				looped internally (wrapped to the secondary ring).

(continued)

302401-D Rev 00 4-3