Net Unit 10 Gb Net Unit extension
U41861-J-Z126-4-76 31
Dokuschablonen 19x24 Version 7.4de für FrameMaker V7.x vom 09.02.2010 © cognitas GmbH 2001-2010
5. March 2018 Stand 17:30.42 Pfad: P:\FTS-BS\Server\SE-Server\SE-Doku\1303919_BA_Additional_update_3\prod_e\ba_addon.k04
3.2.4 Operating the switch
3.2.4.1 LED activity interpretation
System activity and status can be determined through the activity of the LEDs on the switch.
There are three possible LED states: off (no light), a steady light, and a flashing light.
Flashing lights may be slow, fast, or flickering.
The LED colors are either green or amber.
Sometimes, the LEDs flash either of the colors during boot, POST, or other diagnostic tests.
This is normal; it does not indicate a problem unless the LEDs do not indicate a healthy
state after all boot processes and diagnostic tests are complete.
3.2.4.2 Front panel LEDs
The Brocade ICX 7750-26Q has the following LEDs on the front panel:
● Two power supply units (PSU) with bicolor status LEDs (green and amber) labeled
PSU1 and PSU2
● One DIAG LED with bicolor status (green and amber) provides information about the
diagnostic status
● One MS LED with bicolor status (green and amber) provides information about
master/slave mode
● One HA LED with bicolor status (green and amber) provides information about high-
availability mode
● One RDNT LED with bicolor status (green and amber) provides information about
redundant mode
● Four bicolor status LEDs (green and amber) for each of the 26 QSFP+ ports that
indicate the status of the ports in 40 GbE mode and 4x10 GbE breakout mode.
The figure 13 shows the LEDs on the Brocade ICX 7750-48F front panel.
The up-arrow port status LEDs for the 10 GbE ports correspond to the upper, odd-
numbered ports. The down-arrow port status LEDs correspond to the lower, even-
numbered ports.
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