Which of the following statements about precautions for optical fiber installation are correct?
After an antenna was hoisted to the tower, the lifting rope can be left it on the tower.
During PI installation, ensure that the service ports of the PI face downward before you fix the PI.
Which of the following frequency bands are commonly used for digital microwave transmission?
On-tower preparations mainly include selecting the azimuth angle and height for pole mounting based on the engineer experience .
Multimeter can be used to check whether the antenna aligning are correct or not in the process.
Which of the following is correct In operations on powered-on equipment and circuits?
Which of the following are functions of a tool pouch used when dimbing up a tower?