HP E-MSM720, Installation Manual, Page: 12 / 55

1-4
Identifying E-MSM720 Physical Features
Identifying Front-panel Features
Port LEDs
The port LEDs provide information about the individual ports.
Table 1-2. Port LEDs
Status LEDs State Meaning
Port LEDs
Link
2
(green)
On The port is enabled and receiving a link indication from the connected
device.
Off One of these condition exists:
• no active network cable is connected to the port
• the port is not receiving link beat or sufficient light
• the port has been disabled through the E-MSM720 console, the Web
browser interface, HP Manager, or other network management tool.
• Save power mode is enabled.
Flashing
1
The port has failed self test. The Fault, and Self Test LEDs will flash
simultaneously.
Mode (green)
2
Indicates Activity, Duplex, or Speed according to Mode selected.
See LED Mode Select Button and Indicator LEDs below for details.
Mini-GBIC LEDs
Link
2
Flashing
green
One of the following conditions exist:
• the mini-GBIC is not supported by the current software
• the mini-GBIC is not a genuine HP Mini-GBIC and is not supported
• the mini-GBIC is an “A” version in an E-MSM720 that requires a “B”
version or later.
Link and Mode
2
(green)
On for 2
seconds Both the Link and Mode LED turn on solid for 2 seconds and then go to
normal operation. This indicates the mini-GBIC has been recognized by
the E-MSM720.
1
The flashing behavior is an on/off cycle once every 1.6 seconds, approximately.
2
These LEDs are turned off when Save Power mode is enabled. If Save Power mode is enabled and the
LEDs are turned off, they can be turned on temporarily through the LED Mode button.