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Maintenance
|
6-5
Engineered to Endure
3. Connect the LNB to the demodulator by attaching the coaxial cables from the Rx
L-band Out on the LNB to the demodulator Rx L
-
band input port. If the Rx level is
low, check the cable, the feedhorn, and the antenna for proper operation.
Common Problems
The following problems or occurrences have been noted during normal
troubleshooting.
Tx Output is Disabled
When the Tx Output is set to Disabled, the Tx Output level shown on the
-
99.00 dBm. This is not an actual reading.
However, when conditions cause the automatic shut-off of the Tx Output signal, the
Tx Output is muted and the Tx Output level on the
reads
-
96.00 dBm.
Incorrect Frequency Settings
If the Satellite Network Operations Center (NOC) does not recognize your signal, see
for additional information.
Damaged Cables
RF coaxial cable damaged due to improper handling (such as contact damage due to
improper mating; cable insulation that is damaged, crushed, cut, or charred; cables
were not discharged prior to connecting them; or conductors that are nicked, gouged,
damaged, or severed) may impair system performance and reliability. Do not attempt
to repair broken or damaged coaxial cables unless absolutely necessary. Replace the
entire cable whenever possible.
Damaged cabling and incorrectly tightened connectors can leak RF energy, which may
lead to excessive levels in their immediate vicinity.
!
CAUTION
Never disconnect RF cables or connectors associated with a transmitter
in operation since this may result in an RF burn through direct contact
with RF conductors.
Содержание IBUC 2
Страница 6: ...iv Engineered to Endure Appendix F Glossary Glossary of Terms F 1 ...
Страница 8: ...vi Engineered to Endure ...
Страница 12: ...4 Engineered to Endure ...
Страница 46: ...System Components 2 26 Engineered to Endure Figure 2 10 DC Power IBUC System Configuration ...
Страница 57: ...General Requirements 3 9 Engineered to Endure Figure 3 2 IBUC 2 Field Installation ...
Страница 72: ...3 24 Cyber Hardened IBUC 2 IBUC 2e IBUC 2G IBUC R IBUC G Operations Manual Installation Engineered to Endure ...
Страница 102: ...6 10 Cyber Hardened IBUC 2 IBUC 2e IBUC 2G IBUC R IBUC G Operations Manual Troubleshooting Engineered to Endure ...
Страница 106: ...A 4 Cyber Hardened IBUC 2 IBUC 2e IBUC 2G IBUC R IBUC G Operations Manual Part Numbering Schema Engineered to Endure ...
Страница 128: ...B 22 Cyber Hardened IBUC 2 IBUC 2e IBUC 2G IBUC R IBUC G Operations Manual Embedded Web Pages Engineered to Endure ...
Страница 179: ...Reference Drawings D 3 Engineered to Endure Figure D 2 Fabrication Drawing FBD 21984 XXXX Rev B page 1 of 2 ...
Страница 181: ...Reference Drawings D 5 Engineered to Endure Figure D 4 Fabrication Drawing FBD 20606 XXXX Rev A ...
Страница 196: ...I n d e x 4 ...