Motorola PTP 500 User Manual download pdf (Page 22)

Installation and Commissioning

Adjust Power Settings

The transmit power levels of the installed units must be adjusted to ensure they are not too high.

Excessive power levels may cause saturation of the receivers or false radar detection (in radar

enabled regions), leading to degradation of link performance and link failure. To adjust power

levels, follow this procedure:

Step 1: Consult the report generated by the LINKPlanner tool and note the Transmit power

recommended levels.

Step 2: Set the local unit power equal to the “LOCAL - Max Transmit Power setting while

pointing” value from the LINKPlanner report.

Step 3: Set the remote unit power equal to the “REMOTE - Max Transmit Power setting

while pointing” value from the LINKPlanner report.

Step 4: Access each unit separately.

Step 5: Align the units.

Step 6: Repeat Step 2 and 3 using the values “LOCAL - Max Transmit Power setting before

disarm” and “REMOTE - Max Transmit Power setting before disarm”, if different than the

corresponding “while pointing” values.

Step 7: Reboot the local unit then reboot the remote unit.

Step 8: Disarm the units.

Disarm on Completion

When the alignment process is complete, the installer MUST REMEMBER TO DISARM

BOTH

UNITS in the link. This is necessary in order to:

• Turn off the audible alignment aid.

• Enable Adaptive Modulation

• Clear unwanted installation information from the various systems statistics

• Store the link range for fast link acquisition on link drop

Items for Future Reference

Take note of the following items for future reference:

• Save a copy of the configuration using the “Save and Restore” functionality found under the

“System Administration – Configuration” menu.

• Take a screen shot or print of the status page.

• Note the position and orientation of the antenna.

• Note surrounding objects that may interfere with the link (a photograph is recommended).

• After 1 hour of operation, the mean value of Link Loss on the status page should be within

the values given in the LINKPlanner report. Further adjustments of the power levels may be

necessary, so consult the LINKPlanner report notes and adjust the powers accordingly. You

will be required to reboot the units for that to take effect.

• The LINKPlanner may need re-running to account for new known obstacles any time during

the operation of the link.

Note: For short ranges and for links installed when Radar is Enabled, the PTP 300 and PTP

500 Series software will adjust automatically the maximum Transmit Power when the unit is

disarmed.

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Motorola PTP 500 User Manual Page 22

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