98-175666-C Appendix B: Dual antenna solution B-6
Configuration of the dual antenna solution
B.3.3 To configure the Slave BDU
The Slave BDU is configured to use the Master BDU as VSAT profile. The VSAT profile
must point to the IP address of the Master BDU, that is the IP address of the LAN port at
which the Master/Slave communication cable is connected.
1. Add a specific VSAT profile for dual antenna mode, go to SETTINGS > VSAT
profiles.
2. Add a profile, name it for example ADU Slave.
3. Select modem type Master BDU.
4. Set the IP address and netmask for the Slave BDU VSAT profile to match the subnet
of the Master BDU.
5. Enter the IP address of the master BDU. IP addresses for the master and slave must
be in the same subnet. Recommended network settings are shown in the following
figure.
6. Click the save icon to save the VSAT profile.
7. Click SETTINGS > VSAT profiles.
8. Click Activate to activate the VSAT profile ADU Slave.
B.3.4 Blocking zone setup for dual antenna setup
It is recommended to define the following 3 blocking zones in each SAILOR XTR GX-R2
system:
1. Actual blocking zones on the vessel (No TX)
2. Switching blocking zones (TX allowed)
3. Personnel safety zones (No TX)
Figure B-6: Slave BDU VSAT profile
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