Cabletron Systems 7C04 Workgroup - Manual (Page 21)

3-2
Troubleshooting
Table 3-1. POWER IN LED
LED Color Indicates Action
Green The power supply’s input
power is acceptable.
Normal Operation. No action necessary.
Red The power supply’s input
power is not sufficient. Inspect the power
supply’s power outlet,
the power cord, and the
power cord’s connection
to the electrical outlet.
Off The power supply has no
input power. Make sure the power
supply’s power switch is
in the On (-) position.
Make sure the power
supply’s power cord is
securely plugged into the
power supply and
securely plugged into an
electrical outlet. Also
make sure the electrical
outlet is operating
properly.
Table 3-2. POWER OUT LED
LED Color Indicates Action
Green The power supply’s
output (DC) power is
sufficient. Normal
Operation No action necessary.
Red The power supply’s
output power is not
sufficient. Contact Cabletron
Technical Support.