HP J9783A User Manual

1-8
Introducing the Switch
Front of the Switch
Port LEDs
The port LEDs provide information about the individual switch ports.
Table 1-3. Port LEDs
Switch LEDs State Meaning
Port LEDs
Link
2
(green)
On The port is enabled and receiving a link indication from the connected
device. In PoE mode, indicates that the port is configured to enable PoE
power delivery to 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 switch console, the Web
browser interface, HP PCM, or other network management tool.
• In PoE mode, indicates that the port is configured such that PoE power
delivery is disabled.
• Save power mode is enabled.
Flashing
1
The port has failed self test. The switch Fault, and Self Test LEDs will flash
simultaneously.
Mode (green)
2
Depending on the mode selected, displays the following:
• network activity information
• connection duplex mode
• connection speed information
• PoE power delivery status
See “LED Mode Select Button and Indicator LEDs:” below for more information.
SFP LEDs
Link
2
Flashing
green
One of the following conditions exist:
• the SFP is not supported by the current switch software
• the SFP is not a genuine HP SFP and is not supported
• the SFP is an “A” version in a switch 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 SFP has been recognized by the
switch.
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.

HP J9783A Specifications

General

Brand	HP
Model	J9783A
Category	Switch
Language	English