You can use the optical termination hood CL61TERMHOOD:
- Outdoors if the sky is unclear
- Indoors to represent a clear, nighttime sky
- Make sure that the inside of the hood is clean.
- Place the termination hood over CL61.
Connect to CL61.
Use the maintenance cable or connect over Ethernet.
- To adjust the reference values, see CL61 User Guide (M212475EN).