HP ProCurve Series 8212zl Installation And Getting Started Manual page 19

Switch Modules with Link and Mode LEDs
for each port located on each module
Figure 1-6. Switch Module LEDs
Table 1-4.
These LEDs are located on the modules themselves, one pair for each port.
LED State
Link On
Off
Blinking
Mode Depending on the mode selected, displays the following: network activity information, whether
the port is configured for Full Duplex operation, maximum speed operation, or whether PoE
power is being supplied or not. See "LED Mode Select Button and Indicator LEDs" below for
more information.
1
The blinking behavior is an on/off cycle once every 1.6 seconds, approximately.
Switch Module LEDs
Meaning
Indicates the port is enabled and receiving a link beat signal (for the twisted-pair
ports), or a strong enough light level (for the fiber-optic ports) from the connected
device.
One of these conditions 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 switch console, the web browser
interface, ProCurve Manager, or other network management tool.
1
The port has failed self test. The switch Fault, Self Test LEDs, and appropriate
module status LEDs will flash simultaneously.
Introducing the ProCurve Series 8200zl Switch
Front of the Switch
1-9