Principles of Operation
RCS11 1:1 Redundancy Switch
Page 5-2
TM061 Rev. 1.3
5.2.2
Fail-safe
If the RCS11 has a non-recoverable internal fault, the MOD and DEMOD both revert back to
Modem A, the Switch Fault LED is illuminated, and the Switch Fault Relay switches to a faulted
state.
If Power Supply 1 and Power Supply 2 simultaneously fail, the switching circuitry in the RCS11
reverts back to Modem A, and the Switch Fault Relay switches to a faulted state. Modem B
does not receive buffered signals in this condition.
5.2.3
Fault Relays
Fault Connector (J1), has Form-C contacts to indicate the state of the MOD and DEMOD
selections. An additional Form-C contact is available to indicate an RCS11 Fault.
Содержание RCS11
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