DATA-LINC GROUP
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LCM100 User’s Guide
Communication
Failure
Carrier Detect
Off
RS-232C
Input
Modulator/Oscillator
Failure
Failure
Power
Indicator Off Receiver Signal
Modulator
Cable/CNX
Circuitry Coupler Oscillator
Failure
Failure Failure Failure
Circuit Breaker
Open
Fuse Power Breaker
Blows Fails Open
Fault Tree Legend
Rectangle denotes an event which
results from compensation of fault
events through the input of an OR gate
Basic fault event
OR gate denotes that an output event
occurs if any one or more of the input
events
occur.
Figure 2:
Fault Tree
PN 161-09998-001A
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