Installation of the dual-antenna mode
B-2 Appendix B: Antenna Diversity Solution (ADS) 98-141779-G
You can use the SAILOR VSAT in dual antenna mode (GXADS) to minimize downtime of the
GX service in a Fleet Xpress system. The following figure shows a simplified system
overview of the SAILOR 100 GX ADS.
The Antenna Diversity Solution (ADS) works with 2 GX antennas and one GX modem. There
is GPS redundancy through support using the slave GPS.
B.2 Installation of the dual-antenna mode
Parts needed
The following parts are needed for the SAILOR 100 GX ADS:
• 1 x 407090C/407090G SAILOR 100 GX system (Master System)
• 1 x 407090C/407090G SAILOR 100 GXADU (Slave Above Deck Unit)
• 1 x 407016C SAILOR 100 GXACU (Slave Antenna Control Unit)
• 1 x 407090C-010 SAILOR ADS Cable Kit (Cable and RF splitters)
The SAILOR ADS Cable Kit consists of two 75 Ohm RF cables, two RF splitters/combiners
and a keyline-signal splitter cable.
Software revisions needed for the SAILOR 100 GX ADS:
• SAILOR 100 GX: Minimum software version 1.60
• SAILOR GMU: Minimum iDirect firmware version CX7xx_rootfs_rmt_1.5.1.0-131
Figure B-1: Simplified system overview