Motorola SG4-DRT-2X - Manual (Page 12)

12 STARLINE
Segmented Return
In the segmented return configuration each RF return is applied to an individual RF input on
two SG4-DRT-2X transmitters. Two segmented return boards are required. The segmented
return boards contain two independent RF paths. In a typical installation, the RF modules in
Ports 1 and 3 are connected to the segmented return board in return configuration location 2.
The RF modules in Ports 4 and 6 are connected to the segmented return board in return
configuration location 3. The segmented return board installed in return configuration location
2 directs RF to channels A and B on the SG4-DRT-2X located in lid optics slots 3 and 4. The
segmented return board in return configuration location 3 directs RF to channels A and B on the
SG4-DRT-2X located in lid optics slots 5 and 6.
Figure 12 illustrates the segmented return configuration:
Figure 12
Segmented return configuration
2X DIGITAL TRANSMITT ER
CH B CH A
-5 dBmV NOMINAL TOTAL POWER
-5 V/mW
ENABLE/FAULT
-5 dBmV NOMINAL TOTAL POWER
J X
P J X
P
A / D A / D
INVISIBLE LASER RADIATION. AVOID EXPOSURE TO BEAM. CLASS 3B LASER PRODUCT.
2X DIGITAL TRANSMITT ER
CH B CH A
-5 dBmV NOMINAL TOTAL POWER
-5 V/mW
ENABLE/FAULT
-5 dBmV NOMINAL TOTAL POWER
J X
P J X
P
A / D A / D
INVISIBLE LASER
RADIATION. AVOID
EXPOSURE TO BEAM. CLASS 3B LASER PRODUCT.
Segmented
Return board
location #3
Segmented
Return board
location #2
CH A CH A
CH B CH B
Port 1 Port 6 Port 3 Port 4
SG4-DRT-2X Installation Sheet