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Note: In PMP mode, setting the Tx power too high may reduce the SINADR value. If the
SINADR is less than expected, re-test the link using a lower Tx power setting.
Important:EIRP Levels:
power per channel for a specific antenna must not exceed the maximum allowable EIRP
levels. Refer to the FCC and CE notices in this manual. The RF output power settings
must be professionally programmed by the manufacturer or a trained professional
installer. See 7.3: Antennas on page 87 for a list the maximum transmit power setting
based on the antenna gain for a series of frequency settings.
DFS Action: Select the mode of operation for DFS.
The system set to PTP Master monitors for interference from radar devices and other
equipment using the same channel frequency. When interference is detected, the
system automatically takes the action selected using the drop-down menu.
None: The DFS function is disabled.
Tx Off: When radar signals are detected the transmitter is switched off for 30
minutes. This action is recorded in the message log and an SNMP trap message is
sent (if SNMP enabled).
Following an interval of thirty minutes, the same channel is monitored for one minute
and if there are no DFS triggering events, the system resumes normal operation. If
DFS trigger conditions are still detected, operation is suspended for an additional
thirty minutes. This cycle continues until no DFS trigger events are detected or the
operator manually reconfigures the system.
Chg Freq: When radar signals are detected the transmitter is switched to a different
frequency. This action is recorded in the message log and a trap message is sent (if
SNMP enabled).
The new channel is selected based on allowable frequencies for the regulatory
region of that installation. The channel is monitored for one minute before the system
is allowed to transmit. If DFS triggering events are detected, the next available
channel is selected and monitored. The system is not allowed to return to a channel
on which DFS trigger events were detected for a period of thirty minutes. If DFS
trigger events are detected on all channels, operation is suspended until the thirty-
minute time interval expires for at least one channel.
Important: Where DFS is required by regional regulations, this feature is permanently
enabled at the factory and can not be disabled by the installer or end-user.
Antenna Gain: Enter the gain (dBm) for the system antenna.
It is important that the Antenna Gain setting matches the actual antenna gain. If the
antenna gain is set higher than the true antenna gain, the system is less sensitive to
detecting interference, and is not operating in compliance with the UK/ETSI standard. If
the antenna gain is set lower than the true antenna gain, the system is more sensitive to
interference and this may result in false DFS triggers.
ATPC Enable: Check this box
and request that the remote system adjustment its transmit level for optimum
performance. The ATPC feature must be enabled on both AN-80i units.
Important: When ATPC is enabled, best results are obtained by enabling adaptive
70-00072-01-06a
Where required by local regulations, the maximum operational
modulation.
Proprietary Redline Communications © 2008
AN-80i
to enable the AN-80i to monitor the received signal
Page 31 of 96
User
Manual
June 1, 2008
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