EMS Technologies Canada Ltd. HSD-400 Manuale Utente
Page 4–43
25 June 2008
EMS SATCOM
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion™ HSD-400 High-speed Data Terminal
4. Disconnect the serial cable connector from the HSD-400 terminal Maintenance
Port.
2.
Troubleshooting and Fault Isolation
This section provides troubleshooting procedures for HSD-400 terminals experiencing faults
during the commissioning process or previously operational terminals now considered as "not
working".
during the commissioning process or previously operational terminals now considered as "not
working".
Troubleshooting procedures require data obtained using the MPU feature of the HSD-400
terminals. For specific instructions on how to access and use the Maintenance Port and
Maintenance Port Utility of the terminal, refer to "Connection Requirements" on page 4-2.
terminals. For specific instructions on how to access and use the Maintenance Port and
Maintenance Port Utility of the terminal, refer to "Connection Requirements" on page 4-2.
A. Troubleshooting Practices
Troubleshooting practices for the HSD-400 terminal fall into two categories: non-specific
and specific complaints.
and specific complaints.
(1) Non-specific Complaints
When troubleshooting terminals with non-specific complaints, complete all system
verification and functional tests starting on page 4–24. Document whether the terminal
passes or fails each test.
verification and functional tests starting on page 4–24. Document whether the terminal
passes or fails each test.
If the terminal passes all tests and no fault is discovered, all associated equipment
and aircraft wiring should be tested.
and aircraft wiring should be tested.
If the terminal fails a specific test, isolate the actual fault or faults by performing
troubleshooting procedures provided in this section.
troubleshooting procedures provided in this section.
(2) Specific Complaints
When troubleshooting terminals with specific complaints, service personnel may
choose not to complete some or all of the diagnostic tests and proceed directly to the
applicable troubleshooting and fault isolation procedure provided in this section.
choose not to complete some or all of the diagnostic tests and proceed directly to the
applicable troubleshooting and fault isolation procedure provided in this section.
B. Equipment Required
Equipment required for troubleshooting and fault isolation is the same as the equipment
required for test purposes as listed in "Equipment Required" on page 4-43.
required for test purposes as listed in "Equipment Required" on page 4-43.
C. Troubleshooting Aids
This section presents examples of maintenance screens and troubleshooting tables to
assist in troubleshooting and fault isolation activities. The exact screen display may vary
depending on the version of the terminal's operational software and installation
configuration mode.
assist in troubleshooting and fault isolation activities. The exact screen display may vary
depending on the version of the terminal's operational software and installation
configuration mode.
Note: The screens used in the figures presented in this section may have been edited for
clarity and for illustrative purposes.