User's Manual

FP300RA User Manual
2140-72018-00-0A REV: A Page 10 Of 38
1.4.1.4 Multilane Support
The FP-300RA has five antenna connectors: one serves for connection to the main antenna,
and four additional connectors serve for connection to secondary antennas.
The FP-300RA can transmit and receive using any one of the antenna connectors; the
selection of transmit and receive antennas is made every TDMA frame.
Table 1-2 lists the antenna configurations used for single lane and multilane operation.
Table 1-2: Antenna Configurations
Operation Mode Tx Antenna Rx Antenna
Single lane mode Main antenna Main antenna
Multilane mode with one Tx
communication zone
Main antenna Secondary antenna according
to multilane setup
Multilane mode with separate
lane Tx and Rx communication
zones
Secondary antenna
according to the multilane
setup
Secondary antenna according
to the multilane setup
Figure 1-4 shows typical multilane site communication zones.
Lane 1
Lane 2
Lane 3
Lane 4
GANTRY
Rx zone
Single Tx
zone
Lane Tx zone
Figure 1-4: Identification of Antenna Used in the Various Operation Modes
The multilane parameters that can be configured include:
• Number of active lanes
• Switching time, i.e., number of frames per lane.
The FP-300RA enables calibrating the communication zone of every lane independently.