Juniper Networks M160 manual Maintaining Power Supplies, User@host show chassis environment pem

Maintaining Hardware Components

Slot 1 information:
State		Online
SPP Temperature	43	degrees	C / 109		degrees	F
SPR Temperature	43	degrees	C / 109		degrees	F
Total CPU DRAM	64	MB
Total SSRAM	8	MB
Internet Processor II		Version	1, Foundry IBM,			Part number 9
Start time:		2003-04-29		16:12:26 PDT
Uptime:		5 days,	22	hours, 28 minutes, 26 seconds

Packet scheduling mode : Disabled

For further description of the output from the commands, see the JUNOS

Internet Software Operational Mode Command Reference: Protocols, Class of

Service, Chassis, and Management.

Maintaining Power Supplies

To verify that the power system is functioning normally, perform the following procedures regularly:

Check the LEDs on the faceplate of both power supplies. A power supply is functioning correctly when the green LED labeled CB ON is lit steadily (indicating that the circuit breaker is switched on) and the blue LED labeled OUTPUT OK is lit steadily (indicating that the supply is receiving power from the DC source).

If these LEDs are blinking or other LEDs are lit, there could be an error condition. For a summary of LED states, see “Power Supply” on page 36.

Issue the following CLI command to check the status of the power supplies. The following example specifies a slot number (0), which is optional. As shown in the sample output, the value Online in the State column indicates that the power supply is operating normally:

user@host> show chassis environment pem 0

PEM 0 status:
State				Online
Temperature				OK
DC input				OK
DC Output				OK
Load				Less than 40 percent
Voltage:
48.0 V		input	55059	mV
48.0 V		fan supply	50181	mV
5.0	V bias		5032	mV
8.0	V bias		8224	mV

Maintaining Power Supplies 137