Fiber Optic cable has been broken by excavator

Incident
April 12 2023, 3:15am

Fiber Optic cable has been broken by excavator

Status: closed
Start: April 12 2023, 12:45am
End: April 12 2023, 3:15am
Duration: 2 hours 30 minutes
Affected Components:
TK2 - Internet Circuit
Update

April 12 2023, 12:45am

April 12 2023, 12:45am

Fiber Optic cable has been broken by excavator during the excavation work managing by investment department. 

Radiolink circuit's configuration has already been changed by ISP TTNet, thus the backup line did not work. 

The cut-over duration was 2.30 hours. 

Resolved

April 12 2023, 3:15am

April 12 2023, 3:15am

Fiber optic cable has been repaired by 3rd party company. 

ISP repaired the R/L circuit, then everything started to work. 

Root Cause

April 12 2023, 3:15am

April 12 2023, 3:15am

Excavator operator was not informed and aware of Fiber optic cable place. That should be marked and informed by investment department. 

Actions taken: 

Monthly R/L test will be handled. Root cause analysis is started with ISP, trying to get the reason of the configuration change.

The map having highlighted fiber optic cable roads, will be shared with IT by investment department and the roads will be painted with red or yellow to mark if there is fiber optic cable under the road.