Motorola SG4-DRT-2X ユーザーズマニュアル

Figure 13 illustrates the segmented return plug-in board. 

 

Figure 14 illustrates the signal flow through the segmented return board: 

-0.5dB 

Loss = 0.9 dB 

TX1

TX2

IN2

IN1

SM

Pad 

Pad 

 

To set up the segmented return option: 

1 

Confirm that dual SG4-DRT-2X return transmitters are installed in lid optics slots 3 and 4 
and 5 and 6. 

2 

Confirm that a segmented return board is installed in the return configuration locations 2 
and 3 as illustrated in Figure 11. 

3 

Connect an RF cable from connector TX1 on the segmented return board in configuration 
location 2 to CH B of the SG4-DRT-2X in lid optics slots 3 and 4. 

4 

Connect an RF cable from connector TX2 on the segmented return board in configuration 
location 2 to CH A of the SG4-DRT-2X in lid optics slots 3 and 4. 

5 

Connect an RF cable from connector TX1 on the segmented return board in configuration 
location 3 to CH B of the SG4-DRT-2X in lid optics slots 5 and 6. 

6 

Connect an RF cable from connector TX2 on the segmented return board in configuration 
location 3 to CH A of the SG4-DRT-2X in lid optics slots 5 and 6. 

 

The RF cable should be approximately eight inches long and have red boots on the connector 
signifying the return path. 

7 

If necessary, connect the appropriate return RF cables from the SG4-RF modules to each 
segmented return board. 

8 

Ensure that the PIC cable is properly connected to the lid and power distribution board in 
the housing base.