Motorola SG4-DRT-2X Benutzerhandbuch
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6
STARLINE
Split Return
In the split return configuration, each pair of RF returns is applied to a separate 2X redundant
return configuration board. In a typical installation, the RF modules in Ports 1 and 3 are
connected to the 2X redundant return board in return configuration location 2. The RF modules
in Ports 4 and 6 are connected to the 2X redundant return configuration board in configuration
location 3. The 2X redundant return configuration board, in location 2, directs RF to CH B of the
SG4-DRT-2X. The 2X redundant return configuration board, in location 3, directs RF to CH A of
the SG4-DRT-2X. The same configuration board is used in the split redundant return
configuration explained in the next subsection.
return configuration board. In a typical installation, the RF modules in Ports 1 and 3 are
connected to the 2X redundant return board in return configuration location 2. The RF modules
in Ports 4 and 6 are connected to the 2X redundant return configuration board in configuration
location 3. The 2X redundant return configuration board, in location 2, directs RF to CH B of the
SG4-DRT-2X. The 2X redundant return configuration board, in location 3, directs RF to CH A of
the SG4-DRT-2X. The same configuration board is used in the split redundant return
configuration explained in the next subsection.
Figure 6 illustrates the split return configuration:
Figure 6
Split return configuration
Split 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
P
J
X
P
P
A / D
A / D
INVISIBLE LASER
RADIATION. AVOID
EXPOSURE TO BEAM.
CLASS 3B LASER
PRODUCT.
Port 1
Port 6
Split Return
Configuration board
location #2
Split Return
Configuration board
location #3
CH A
CH B
Port 3
Port 4
SG4-DRT-2X Installation Sheet