Comtech EF Data UT-4579 Installation And Operation Manual page 14

UT-4579 X-Band Up Converter
Table of Contents
B.1 Overview .......................................................................................... B-1
B.2 Maintenance Testing ......................................................................... B-2
B.2.1 Sample Test Points ............................................................................... B-2
B.2.2 Troubleshooting ................................................................................... B-2
B.2.3 Converter Faults ................................................................................... B-3
B.2.3.1 Prime Power ................................................................................... B-3
B.2.3.2 DC Power Supply Module .............................................................. B-3
B.2.3.3 RF Converter Module ..................................................................... B-4
B.2.3.4 Synthesizer Sum Loop Module ....................................................... B-4
B.2.3.5 Synthesizer Fine Step Module ........................................................ B-4
B.2.3.6 Reference Oscillator Module ......................................................... B-4
B.2.3.7 Temperature Fault .......................................................................... B-4
B.2.4 Removable Modules ............................................................................ B-5
B.3 Spares ............................................................................................... B-6
B.4 Redundancy Systems - Converter Management ................................. B-6
B.4.1 Remove a Faulted Converter ................................................................ B-6
B.4.2 Install a Replacement Converter ......................................................... B-7
Table 4-1. 'Ethernet' M&C Interface Connector Pinout .................................... 4-13
Table 4-2. 'J1 | COM1' 2-Wire EIA-485 Pinout .................................................. 4-13
Table 4-3. 'J1 | COM1' 4-Wire EIA-485 Pinout .................................................. 4-13
Table 4-4. 'J1 | COM1' EIA-232C Pinout ............................................................ 4-13
Table 4-5. 'P1 | RELAY' Pinout ........................................................................... 4-14
Table 4-6. 'J3 | HSB' Data Interface Pinout ....................................................... 4-17
Figure 1-1. UT-4500 Series Up Converters (UT-4505 shown) ............................. 1-1
Figure 1-2. UT-4500 Series Up Converter Physical Configuration....................... 1-2
Figure 1-3. Typical Functional Block Diagram (UT-4512 shown) ........................ 1-4
Figure 1-4. UT-4500 Series Up Converter Dimensional Envelope ...................... 1-7
MN/UT4579.IOM / CD-MNUT4579
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Revision 1
TABLES
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