Juniper Networks 5000 manual Interpreting Power Supply LED Status for the NetScreen-5200

Appendix B Port Descriptions and LED Status

POWER SUPPLY LEDS

The following tables describe LED behaviors on the 5000-M and 5000-M2 for different combinations of functioning power supplies.

Interpreting Power Supply LED Status for the NetScreen-5200

The following table details the LED behaviors on the 5000-M and 5000-M2 for different combinations of functioning power supplies on the NetScreen-5200.

Power Supply 1 Present	Power Supply 2 Present	Power LED	Alarm LED
Yes	No	Green	Off
Yes	Yes. Not functioning or turned off.	Green	Red
Yes	Yes	Green	Off

Interpreting Power Supply LED Status for the NetScreen-5400

The status of the Power and Alarm LEDs depend upon whether the NetScreen-5400 contains a single Secure Port Module (SPM) or multiple SPMs.

Single SPM Installed

The following table describes the LED behaviors for different combinations of functioning power supplies when there is only one SPM installed.

Power Supply 1	Power Supply 2	Power Supply 3	Power LED	Alarm LED
Present	Present	Present
Yes	No	No	Green	Off
Yes	Yes. Not	No	Green	Red
	functioning or
	turned off.
Yes	Yes	No	Green	Off
Yes	Yes	Yes. Not functioning	Green	Red
		or turned off.
Yes	Yes	Yes	Green	Off

Note: If the NetScreen-5400 contains more than one SPM, then the system requires at least two functioning power supplies. If a second power supply is not present or is present but not turned on, then the Alarm LED is off, but a console message directing you to install and turn on another power supply appears.

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