Harris Corporation Constellation™
Simultaneous Replacement of Modules 10-5
TROUBLESHOOTING
GUIDELINES
SPU Controller
MAJOR
MINOR
STATUS
ACTIVE
TX
RX
Red
Red
Yellow
Green
Green
Green
Indicates a loss of traffic (either receive or
transmit direction).
Indicates a non-traffic-affecting alarm or
control has been applied.
Indicates a loss of input signal from a
customer.
Normal condition.
Blinks whenever a packet of Ethernet signal is
being transmitted.
Blinks whenever a packet of Ethernet
signal is being received.
Transmitter
Assembly
FAULT
ON-LINE
Red
Green
Indicates board failure or an input signal
failure
Carrying traffic.
Table 10-1:LED indicators (continued)
Module Label Color If the LED Is On
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