Comtech EF Data UT-4579 - Manual (Page 51)

UT4579 X-Band Up Converter MN/UT4579.IOM
Redundant System Operation Rev. 0
35
IF In
Up Converter - IOM
(Backup Unit)
Up Converter - TSEQM
(On line)
RF Out
RF Out IF In
BU EQ
LP Out
LP In
LP Out
P1 - Pin 7
EQ
Out
EQ
In
EQ
NO
(Closed When
EQ Faults)
LP In
Alarm Cable
IF Out
IF Load
or
Loop to
Next Unit
RF Load
or
Loop to
Next Unit
IF In
IF Out
Figure 23. 1:1 Redundant Configuration Diagram -
Single Source IF Input with IOM-XX and TSEQM-XX Installed
J9 J7 J5
RF
J5
IF
J4 IOM-XX
LP OUT LP IN J3 HSB LP OUT LP IN
J4 J6 J8
RF IF
IF
INPUT #1
(PRIORITY)
RF
OUTPUT #1
(PRIORITY)
IF
INPUT #2
RF
OUTPUT #2
Figure 24. 1:1 Redundant Configuration - Dual Source IF Input