3Com 4500 Getting Started Manual page 54

54 C 4: P S
HAPTER ROBLEM OLVING
Error message indicating that the SFP transceiver is invalid
The Switch has identified that the SFP does not meet the minimum requirements
for the Switch and has disabled the port. To correct this problem, completely
remove the SFP and replace it with a 3Com approved SFP. See "Approved SFP
Transceivers" on page 30.
Error message indicating that the SFP transceiver is faulty
To correct this problem, completely remove the SFP and then reinsert it.
Alternatively, insert another identical SFP. If the problem persists, contact 3Com
Technical Support.