LEDs
There are three groupings of LEDs on the controller:
•
Status LEDs—See callouts 1 and 6 on
Figure 1 (page 4)
and
Table 1 (page 5)
.
•
Port LEDs—See callout 8 on
Figure 1 (page 4)
and
Table 2 (page 5)
.
•
Port LED Mode indicator LEDs—See callout 2 on
Figure 1 (page 4)
and
Table 3 (page 6)
.
Table 1 Status LEDs
Description
State
Status LED
The controller is powered on.
On
Power (green)
There is no power connection. The controller is not receiving power.
Off
The controller is beginning its boot sequence. Turns on for three seconds at power
up or reset.
On
Fault (orange)
The locator LED is used to locate a specific MSM720 in an area in which multiple
controllers are installed. The LED can be set to be Use the command
On
Locator (blue)
Flashing
chassislocate
to set the LED status to on or flashing for a specified number
of minutes (1-1440). The default is 30 minutes.
The standard state.
Off
The regular operational state; the controller is not undergoing self-test.
Off
Test (green)
Lights during power-up self-test and stays on until the controller is ready to receive
traffic.
On (green)
Port LEDs
The port LEDs provide information about the individual ports.
Table 2 Port LEDs
Description
State
Status LED
Port LEDs
The port is enabled and receiving a link indication from the connected device.
On
Link (green)
One of these condition exists:
Off
•
No active network cable is connected to the port
•
The port is not receiving link beat or sufficient light
•
The port has been disabled
Indicates Activity, Duplex, or Speed according to Mode selected. See
“LED mode select button
and indicator LEDs” (page 6)
..
Mode (green)
Mini-GBIC LEDs
One of the following conditions exist:
Flashing
(green)
Link
•
The mini-GBIC is not supported by the software
•
The mini-GBIC is not a genuine HP Mini-GBIC and is not supported
•
The mini-GBIC is an “A” version in a controller that requires a “B” version or
later
Both the Link and Mode LED turn on for 2 seconds before starting standard
operation. This indicates the mini-GBIC has been recognized by the controller.
On for 2
seconds
Link and Mode (green)
Identifying front-panel components
5