686-542 Refcode_686-542


		
		
		Explanation
 Port async internal loopback test failed (no response from the port). 
		

		
		Response
			No action is required.

		

		
		
		
		
		
		Problem determination
			No action is required.

		

		
		
		
		
		
		Failing Item
			
			Find the failing function code in Failing function code list.

				
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