(1) Block the related cells.
1) Start the site maintenance terminal system.
2) Click Cell and then double-click Change Cell Management State in the right pane to show the Change Cell Management State dialog box.
3) Select LOCKED to block the cell under the antenna. Determine the blocking priority and the response time according to the fault level and the actual requirements.
4) Click OK.
(2) Remove the outdoor 1/2-inch jumper.
1) Cut a few rifts on the waterproof clay near the contact between the antenna and the jumper with a paper knife.
2) Scratch off the clay with fingers or a paper knife.
3) Remove the outdoor 1/2-inch jumper.
(3) Remove the faulty antenna
(4) Install a new antenna
(5) Install the outdoor 1/2-inch jumper.
Connect the jumper to the antenna according to the marked cable connections.
(6) Check whether the antenna is installed correctly
If all the items listed as follows are confirmed, go to step 8. If any one of the items mentioned below is not confirmed, go to step 7.
? The omnidirectional antenna is vertical and the error of perpendicularity is less than ±2°.
? The top of the omnidirectional antenna jacket is equal to or slightly higher than that of the antenna bracket.
? The azimuth angle error of the directional antenna is less than ±5° and the pitch angle error is not greater than ±0.5°.
? A waterproof curve is made on the jumper.
? The VSWR measured with the radio analyzer at the jumper interface to the antenna on the cabinet top is lower than 1.5.
(7) Troubleshoot
Find the reasons for the faults by checking the items listed in (6) and handle the problems. If the VSWR is higher than 1.5, use a SiteMaster to locate the problem.
(8) Waterproof the outdoor connectors
Make sure the point where the antenna and the jumper meet is waterproof.
(9) Unblock the related cells.
In the Change Cell Management State dialog box, select UNLOCKED, and click OK.