Normal Status Lights - Cisco 1720

(Picture coming soon)

Cisco 1720 has two WIC card lights that should be dark. If they are blinking, there is an issue with the WIC card.

WIC0 OK = DARK

WIC1 OK = DARK

 
Number of Blinks
Meaning

2

The 860T dual-port random-access memory (DPRAM) failed.

3

The parameter RAM area of the 860T DPRAM failed.

4

The 860T system protection control register has a write failure.

5

The router cannot detect the dynamic random-access memory (DRAM).

6

The user programmable machine has a write failure.

9

The router DRAM failed.


 

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