Cisco Catalyst 2950 Command Reference Manual page 607

Appendix A Catalyst 2955 Alarm Commands
This is an example of output from the show env all command. It shows the status of all environmental
facilities (power supply and temperature) on the switch.
Switch# show env all
Power supply A is present
Power supply B is present
Current temperature is 49C
Highest temperature was 53C Mar 04 1993 04:06:36
Related Commands Command
power-supply dual
OL-10102-01
Description
Sets dual power-supply mode on the switch.
Catalyst 2950 and Catalyst 2955 Switch Command Reference
show env
A-17