SPX SPIDAR NIC-500s, Operation Manual, Page: 41 / 119

SPIDAR Software
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assigned to firing group 1; Tx
3
, Rx
3
and Rx
4
are assigned to firing group 3. These two events
make Sequence 1.
For Sequence 2, Tx
2
, Rx
1
& Rx
2
are assigned to firing group 1, and Tx
4
, Rx
3
& Rx
4
are assigned
to firing group 3. The table below illustrates this by showing the firing groups for each
sequence:
Port Antenna Sequence 1 Sequence 2
1 Tx
1
1 -
2 Tx
2
- 1
3 Rx
1
1 1
4 Rx
2
1 1
5 Tx
3
3 -
6 Tx
4
- 3
7 Rx
3
3 3
8 Rx
4
3 3
Consider another example of two pairs of 500 MHz transmitter and receivers connected to a
NIC-500X.This is graphically depicted in (Figure 4-17). Once again, Sequence 1 is shown in
black, while Sequence 2 is shown in
red .
Figure 4-17: Diagram of two Sequences for two pairs of antennas