31
g) Only qualified or OUR authorized maintenance engineers can perform maintenance
operations on the OTDR.
Tools for Cleaning Connectors
a) Fiber cleaner, used to clean optical connectors
b) Fiber cleaning rod, used to clean optical connectors
c) Fiber cleaning cloth, used to clean optical connectors
d) Isopropanol
e) Cotton ball
f) Soft tissue
g) Pipe cleaning brush
h) Compressed air
Cleaning Procedure
The cleaning procedure is as follows:
a) Screw off the flange cap.
b) Clean the optical fiber.
c) Screw up the flange cap.
Calibration Requirements
It is recommended that the OTDR be calibrated every two years. For details, contact
the agent or the nearest service center of US.
