ISR 4321 EN console indicators

[yoav-shneor]

Cisco 4321  EN led next to console is flashing rapidly .

Cisco is not responfding to WAN / LAN / console .

On cisoc documents the EN led Indicates SFP port status .

On chat GPT "EN" or "Ethernet" LED s are associated with the Ethernet interfaces. 

Any Idea sombody ? 

[marce1000]

 - FYI : https://www.cisco.com/c/en/us/td/docs/routers/access/4400/hardware/installation/guide4400-4300/C4400_isr/Overview.html#80850

   - I would also advise that you cold boot (from power cycle) the system with first a console attached and scrutinize the boot process (look for errors), for instance, 

 M.

[yoav-shneor]

TNX ,

Already lookd int that document.
I don't use any SFP so "SFP EN" led is erelevent .
Also the LED is directly under the blue line for the console so i tought it is more related to a serial port problem of any sourt.

There is another one left to the console.

[marce1000]

          - Is the device reachable on the network ?

 M.

[DanielP211]

Hello!

If console dosent output no info on console(assuming you have the correct speed) the device is probably broken. Have you tried rebooting it? Does it display anything then? 

BR

[yoav-shneor · Accepted solution]

Hi All ..

After replacing power supply it took a minute and the LED stopped.

Probably the power supply was damaged and did not supply the exact  12V 9 Ampere needed.

TNX all