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3.5.3.4. Grounding for Electrical Safety
The chassis must be maintained at a safe potential.
Caution:
The chassis must be maintained at a safe potential. The electrical ground for the
circuits driving the SpaceWire connector signals is connected to the chassis.A
functional ground connection is provided by the mains power supply that is shipped
with the unit.
3.5.3.5. Fuse Protection
Each power input line includes an internal fuse.
One or both fuses may be inferred to have failed if there is appropriate power at the connector pins and a
complete lack of information on the front-panel display.
Fuse failure will only result from serious component failure or from equipment misuse. A complete check-out is
required before replacing these fuses.
In the event of suspected fuse failure, please contact 4Links.
Caution:
There are no user-serviceable parts inside this equipment.
3.5.4. Handling and Transportation
The 4Links RG platform products are designed to be robust, and are capable of being transported to support
SpaceWire testing.
Units should be packaged in protective foam or similar material to prevent them from being subjected to
excessive shocks during handling.
Units should not be subjected to condensation; transferring them directly from a cold shipping container to a
moist warm laboratory atmosphere is not recommended.
The micro-miniature D-type SpaceWire plugs and sockets are fragile. Connections should be made with care. If
the units are in an environment where they are frequently re-connected, consideration should be given to the use
of sacrificial connectors or an external router (such as the 4Links Flexible SpaceWire Router).
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