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General Requirements
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3-17
Engineered to Endure
Setting the Tx and Rx Frequencies
All transmit and receive frequencies are set in the modem.
If using a direct connection to an L
-
band modem, follow the manufacturer’s
instructions for setting the transmit and receive frequencies.
Receive L
-
band Output Measurements
To check the receiver,
1. Ensure that 15 VDC to 24 VDC (LNB Bias) is present at the modem input.
2. Use a spectrum analyzer to ensure that the 10 MHz reference signal is present at
the modem.
3. Connect the LNB to the demodulator’s Rx input by attaching the coaxial cables
from the Rx L
-
band output on the LNB to the demodulator’s Rx L
-
band input port.
!
CAUTION
The IBUC must not transmit until alignment and any necessary
adjustments are complete.
!
WARNING
DC power will be present on the cable. Terrasat recommends the use of a
DC block when using a spectrum analyzer.
Содержание IBUC 3
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Страница 13: ...ix REVISION HISTORY Engineered to Endure Revision Date Description A 1 26 2021 Initial Public Release ...
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Страница 33: ...System Components 2 11 Engineered to Endure Figure 2 3 DC powered IBUC3 Block Diagram ...
Страница 37: ...System Components 2 15 Engineered to Endure Figure 2 4 DC Low Power IBUC System Configuration ...
Страница 40: ...2 18 IBUC 3 IBUC 3G Operations Manual Functional Description Engineered to Endure ...
Страница 60: ...3 20 IBUC 3 IBUC 3G Operations Manual Installation Engineered to Endure ...
Страница 90: ...6 8 IBUC 3 IBUC 3G Operations Manual Troubleshooting Engineered to Endure ...
Страница 132: ...B 8 IBUC 3 IBUC 3G Operations Manual Using HyperTerminal Engineered to Endure ...
Страница 157: ...Menu Options D 3 Engineered to Endure Figure D 3 Hand held Terminal Menu Tree ...
Страница 162: ...D 8 IBUC 3 IBUC 3G Operations Manual Hand Held Terminal Menu Tree Engineered to Endure ...
Страница 168: ...E 6 IBUC 3 IBUC 3G Operations Manual Legacy Binary Command Message Structure Engineered to Endure ...
Страница 223: ...Reference Drawings G 3 Engineered to Endure Figure G 2 Fabrication Drawing FBD 21984 XXXX Rev B page 1 of 2 ...
Страница 225: ...Reference Drawings G 5 Engineered to Endure Figure G 4 Example Installation Drawing IND 10521 0011 Rev A ...
Страница 227: ...Data Sheets G 7 Engineered to Endure ...
Страница 228: ...G 8 IBUC 3 IBUC 3G Operations Manual Component Specifications and Reference Drawings Engineered to Endure ...
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