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General Requirements
|
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.
Summary of Contents for IBUC 3
Page 8: ...vi Engineered to Endure ...
Page 12: ...viii Engineered to Endure ...
Page 14: ...x Engineered to Endure ...
Page 33: ...System Components 2 11 Engineered to Endure Figure 2 3 DC powered IBUC3 Block Diagram ...
Page 37: ...System Components 2 15 Engineered to Endure Figure 2 4 DC Low Power IBUC System Configuration ...
Page 40: ...2 18 IBUC 3 IBUC 3G Operations Manual Functional Description Engineered to Endure ...
Page 60: ...3 20 IBUC 3 IBUC 3G Operations Manual Installation Engineered to Endure ...
Page 90: ...6 8 IBUC 3 IBUC 3G Operations Manual Troubleshooting Engineered to Endure ...
Page 132: ...B 8 IBUC 3 IBUC 3G Operations Manual Using HyperTerminal Engineered to Endure ...
Page 157: ...Menu Options D 3 Engineered to Endure Figure D 3 Hand held Terminal Menu Tree ...
Page 162: ...D 8 IBUC 3 IBUC 3G Operations Manual Hand Held Terminal Menu Tree Engineered to Endure ...
Page 227: ...Data Sheets G 7 Engineered to Endure ...
Page 235: ...I n d e x 3 Engineered to Endure ...
Page 236: ...I n d e x 4 ...