3Com 3CNJPSE24 - Manual (Page 14)

Introduction to the Ethernet Power Supply
1-6 Ethernet Power Supply User s Guide
Table 2 Main Power Status Indications
LED Color Main Power Status Remarks
AC - Off Internal power supply
unit is unplugged or
faulty. Internal power supply
voltage is too low. All
ports are disconnected.
AC — Green
Indicates AC power
input active.
Internal power supply
voltage is within
tolerance.
AC - Green
Blinking
Internal power supply
voltage is out of
tolerance. All ports are
disconnected.
AC Orange Internal problem alarm. Built-in self-test failed.
For LED troubleshooting information, see Appendix C,
Troubleshooting.