RACOM Ray2, Руководство пользователя

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• Status Bar displays Link: Ok .
If the alarm message appears at Local or Peer, this doesn’t necessarily mean there is a problem.
The message indicates that the limit at any of the monitored parameters has been exceeded. Es-
sential is the
Link: Ok message on the status bar.
• The Status screen contains values for both Local and Peer units. N/A next to Peer indicates that
the data from the Peer unit has not been transferred. If Link is Ok , simply click Refresh at the bottom
of the screen and Peer data will be updated.
• Menu Status – Detailed – Radio indicates link RSS and SNR values, in case of ACM also the selected
modulation and Netbitrate. If the ATPC function is enabled (menu Link settings – Radio ) it also in-
dicates instantaneous / max. allowed power and for SNR and RSS values it indicates immediate /
target value size.
• Menu Tools – Live data – Bar indicators displays current size of RSS, SNR and BER.
• Menu Tools – Ping allows you to send a ping test to the selected IP address.
Try out the possibility of modulation:
• Modulation ACM. In menu Link settings – Radio enable ACM. Set the TX modulation parameter to
the required maximum value. In menu Status – Brief – Radio you can monitor (Refresh or Start)
changes in used modulation based on the instantaneous SNR signal quality. The status and quality
of modulation is demonstrated well in menu
Tools – Live data – RX constellation diagram , hit Refresh.
• To set a fixed modulation go to Link settings - Radio , switch off ACM and set the TX modulation to
a value from the range of QPSK through 256-QAM based on the results of the previous test. If you
choose modulation higher than allowed by SNR, the connection will be lost.
Status Link will lose its
Ok value. Both units will need to be moved closer to resume the link. If this is not possible, use the
ethernet to access each unit individually and set the basic modulation QPSK. You can monitor the
quality of the received signal under
Tools – Live data – RX constellation diagram .
Verify the functionality of the entire link:
• If possible, connect user devices to both RAy2 units over PoE and test mutual communication.
• Another way of testing this is to connect a PC to the other unit and send a ping from one PC to the
other.
• The minimum variant of this test is to use an ethernet cable connection from the PC connected to
the local RAy2 to the PC connected to the remote RAy2 and test communication between both
units over ethernet. This will verify ethernet functionality.
Prepare installation configuration:
• Bandwidth e.g. 3.5 MHz. To get the highest possible receiver sensitivity, set the bandwidth as narrow
as possible according to specific frequency band.
• TX channel: Use your allocated channel. If you don't have allocated channel yet, use for example
channel L1.
• RX channel will setup automatically when channel lock activates.
• Set TX modulation QPSK to get the highest possible sensitivity.
• Set RF power according to selected antenna and according to individual frequency licence. Set the
output power as high as possible.
• Set a new users access passwords.
• Record the access parameters from the Service access menu, especially the IP addresses.
• Restart by interrupting the power supply to verify that the parameters are stored correctly and the
link works.
After this preparation phase you can continue to install your devices in a working environment.
41 © RACOM s.r.o. – RAy2 Microwave Link
Step-by-step Guide