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SmartStack STS16-20D/STS16-20R Token Ring Switches Installation and User Guide Introduction
Table 2 lists the stack-link LEDs and their meanings:
Table 3 lists the port LEDs and their meanings:
LED State Meaning
TX On or
blinking
Data is being transmitted to the stack link.
RX On or
blinking
Data is being received from the stack link.
ATTACH On A connection has been established to the stack.
Table 2. Stack-link LEDs and Their Meanings
LED State Meaning
INS
(left LED of
port)
On The Token Ring port is inserted into the ring.
Off The Token Ring port is not inserted into the ring
Blinking The Token Ring port is disabled.
ACT
(right LED of
port)
On or
blinking
Data is being transmitted to or received from the
port.
Table 3. Port LEDs and Their Meanings