ADC Campus-REX2 RS manual 94

Chapter 5 - Monitoring and Testing the Campus System

The following information is displayed for the LAN and Line ports (for transmit and receive directions):

Statistic	Description	Monitored Port
		LAN	Line
Rx Frames	The number of received frames.	•	•
Tx Frames	The number of transmitted frames.	•	•
Rx Multicasts	The number of multicast frames received.	•	•
Tx Multicasts	The number of multicast frames	•	•
	transmitted.
Rx Discards	The number of received frames that have	•	•
	been discarded (filtered).
Rx Errors	The number of frames received in error	•	•
	from both the input and output buffers
	(such as CRC errors, alignment errors, and
	dribbling bit errors).
Tx Errors	The number of frames transmitted in error	•	•
	from both the input and output buffers
	(such as CRC errors, alignment errors, and
	dribbling bit errors).
Rx Undersized	The number of frames received that are	•	•
	smaller than the Ethernet minimum of 64
	bytes.
Rx Oversized	The number of frames received that exceed	•	•
	the MTU size of 1536 bytes.
Tx Excessive	Frames discarded due to excessive	•	•
Delay	queuing time.
Tx Excessive	The number of excessive collision events	•	•
Collisions	that have occurred, that is. frames dropped
	because of 16 consecutive collisions.

To update the statistics, type U then press ENTER .

To clear the counters, type C then press ENTER .

82 Campus-REX2 RS Interface Card User Manual