3Com EtherLink III User Manual page 47

Parallel tasking 16-bit isa adapter

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If you are experiencing any problems, first make sure that

your hub complies with the 10BASE-T specifications and then

check the LED.The meaning of LED activity is given below:

If the LED is on, the link beat is working.

If the LED is off, the link beat has not been established or

there is a problem with the connection between the adapter

and the hub.

If the LED is blinking, the cable polarity is reversed.

Miscellaneous Checks

5-11

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