DANGER
Before beginning the installation, see the precautions in “Power precautions.”
CAUTION
Do not install the device in an environment where the operating ambient temperature might exceed 40°C (104°F).
CAUTION
Never leave tools inside the chassis.
Determining which power supply failed
If you are replacing a power supply that has failed and you are not sure which supply has failed, enter the following command at any CLI
command prompt.
device>show chassis
*** CES 2000 Series 2024C ***
---POWERS ---
---POWERS ---
Power 1 ( 3I50 - AC 504W): Installed (OK)
Power 2: not present
Total power budget for system = 504 W
--- FANS ---
Metro fan tray (fan 1): Status = OK, Speed = MED (75%)
Metro fan tray (fan 2): Status = OK, Speed = MED (75%)
Metro fan tray (fan 3): Status = OK, Speed = MED (75%)
Metro fan tray (fan 4): Status = OK, Speed = MED (75%)
Metro fan tray (fan 5): Status = OK, Speed = MED (75%)
Metro fan tray (fan 6): Status = OK, Speed = MED (75%)
--- TEMPERATURE READINGS ---
CPU: Ambience 35.50C Chip 39.68C
24X1G PPCR: Ambience 36.0C Chip 47.56C
2X10G PPCR: Ambience 37.50C Chip 43.31C
Fans are in auto mode. Temperature Monitoring Poll Period is 60 seconds
--- MISC INFO ---
Backplane EEPROM MAC Address: 0001.0040.7800
device>
This command displays status information for the power supplies and the fans. The power supplies are numbered from left to right.
These numbers assume you are facing the front of the device, not the rear.
If the display indicates "Installed (Failed)" for any of the slots, the power supply installed in that particular slot has failed.
AC power supply
The AC power supply is shown in the following diagram.
Power supply replacement
ExtremeSwitching CES 2000 Series and ExtremeRouting CER 2000 Series Hardware Installation Guide
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