Token Ring Network Processor Module Led Indicators; Figure 4-4 Token Ring Module Network Connector - Cisco EF4116 Hardware Installation And Maintenance Manual

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Token Ring Network Processor Module LED Indicators

The two LEDs in the Token Ring network processor module are labeled 16M and IN-RING.
(See Figure 4-4.)
Figure 4-4
Alignment
groove
The left LED (16M) indicates ring speed. When lit, it indicates a ring speed of 16 Mbps; when not
lit, it indicates a ring speed of 4 Mbps.
The right LED (In-Ring), when lit, indicates that the network processor module is inserted into the
ring. If it is not lit, the network processor module is not inserted into the ring.
Timesaver
problem on the ring.
POL (polarity)—When lit, this indicates the autopolarity reading detected the polarity was
defective and corrected for it (switched it).
LNK (link)—When lit, this indicates 10BaseT is selected, and the link is available.
RX (receive)—When lit, this indicates the system is receiving data from the line.
TX (transmit)—When lit, this indicates the system is sending Ethernet transmissions.
Token Ring Module Network Connector
Token Ring
LEDs Token Ring port
(2 green)
When the right LED is off, you can unplug the Token Ring cable without causing a
Reading Network Processor Module LED Indicators
Alignment
groove
Troubleshooting the Initial Hardware Configuration 4-5