Dell PowerConnect B-FCX624 Hardware Installation Manual page 21

NOTE
Both "AC OK" and "DC OK" LEDs must be green for the device to function normally.
TABLE 10
State
Four Green PSU
LEDs
Single Red 'DC
OK' LED
Both 'DC OK'
LEDs Red
One PSU with
both 'AC OK' 'DC
OK' LEDs Off
'DC OK' LEDs Red
and Off
All 'AC OK' LEDs
Off
Port, system, and power status LEDs for PowerConnect B-FCX624 and PowerConnect B-FCX648
PowerConnect B-FCX switches include a display panel for key system and port indicators that
simplifies installation and network troubleshooting. The LEDs, which are located on the front panel
for easy viewing, are shown below and described in the following tables.
FIGURE 13
1
TABLE 11
LED
Ethernet
(1~24/48)
Link or
Activity or Speed
PowerConnect B-FCX Switch Hardware Installation Guide
53-1002267-01
Switch status for two installed power supply units
LED PSU1
AC OK Green
DC OK Green
AC OK Green
DC OK Green
AC OK Green
DC OK Red
AC OK Green
DC OK Green
AC OK Green
DC OK Red
AC OK Off
DC OK Off
Port status LEDs
2
Port status LEDs 2
Port status LEDs
Condition
On/Flashing Green
Off
PSU2 Switch Status
Green Running
Green
Green Running
Red
Green Failure
Red
Off Running
Off
Off Failure
Off
Off Power Off or
Failure
Off
SFP or SFP+ port status LEDs
Status
The port has established a valid link at 10/100/1000 Mbps.
Flashing indicates the port is transmitting and receiving user
packets.
A link is not established with a remote port.
Hardware features
Load Sharing
Yes
No
No
No
No
No
1
1
11