Table of Contents
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Chapter 5: Diagnostics and Troubleshooting
LED
Meaning
THRU
On - Ring A or B (as indicated by LED label) is in through mode
Flashing - Ring is twisted
WRAP
On - Ring A or B (as indicated by LED label) is in wrap mode
Flashing - Ring is twisted
STATUS
On - 3F00-01 hardware is ready for operation (port may or may not be
enabled – controlled by software)
POWER
On - 3F00-01 hardware is receiving power
RX
Flashing - Port is receiving data
TX
Flashing - Port is transmitting data
LED
Meaning
THRU
On - Ring A or B (as indicated by LED label) is in through mode
Flashing - Ring is twisted
WRAP
On - Ring A or B (as indicated by LED label) is in wrap mode
Flashing - Ring is twisted
PROC
On - 3F55-01 hardware is ready for operation (port may or may not be
enabled – controlled by software)
POWER
On - 3F55-01 hardware is receiving power
RX
Flashing - Port is receiving data
TX
Flashing - Port is transmitting data
Note: In Table 5-1 and Table 5-2, Ring A refers to the primary FDDI
ring, and Ring B to the secondary FDDI ring. These LEDs do NOT
correspond to FDDI MIC A and FDDI MIC B.
Page 5-2
Table 5-1 Meaning of 3F00-01 LEDs
Table 5-2 Meaning of 3F55-01 LEDs
FDDI Dual-Attached Intelligent Module User's Guide
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Table of Contents
Troubleshooting
