The following behavior should be noted:
• When first applying power and from time to time, the Master unit will carry out a
band scan to determine which channels are not in use. During this time, between
10 and 15 seconds, neither unit will transmit. During this time the installation tone
on both Master and Slave units will drop back to the Scanning state. The pitch of
the tone will be proportional to the background noise level. Do not try to align the
unit at this time.
• PTP 300 and PTP 500 Series do not require the user to enter the link range. The
Master unit typically takes less than 60 seconds to determine the length of the link
being installed. The Master unit will remain in the Scanning state until the length
of the link has been established. The Master unit will only move to the Synchro-
nized state when the length of the link has been established.
• If at the end of the ranging period the ‘Registered’ state is not achieved due to in-
terference or other reasons, the Master unit will retry twice on the same channel
before moving to another available channel. Should this occur it might take a num-
ber of minutes to establish a link in the ‘Registered’ state.
• The Slave unit does not have a ranging process. The Slave unit will change to the
Synchronized state as soon as the wanted signal is demodulated.
Additional Notes
According to the LINKPlanner report power settings values, some additional steps are re-
quired. This is done to ensure that the power levels of the installed units are not too high.
Higher power levels may cause the saturation of the receivers or may cause false Radar de-
tection (in Radar Enabled regions) which will cause a degradation of the link performance
and may be responsible for a link failure.
The following procedure describes the additional steps required.
1. Consult the report generated by the LINKPlanner tool and note the Transmit power
recommended levels.
2. Set the local unit power equal to the “LOCAL - Max Transmit Power setting while
pointing” value from the LINKPlanner report.
3. Set the remote unit power equal to the “REMOTE - Max Transmit Power setting
while pointing” value from the LINKPlanner report.
4. Access each unit separately.
5. Align the units as described in the User Guide.
6. Repeat Step 2 and 3 using the values “LOCAL - Max Transmit Power setting be-
fore disarm” and “REMOTE - Max Transmit Power setting before disarm” , if differ-
ent than the corresponding “while pointing” values.
7. Reboot the local unit then reboot the remote unit.
8. Disarm the units.
17
Installation and Commissioning
(9 pages)
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