ADC Campus-REX2 RS, User Manual

Page: 94 / 166

Chapter 5 - Monitoring and Testing the Campus System
82 Campus-REX2 RS Interface Card User Manual
The following information is displayed for the LAN and Line ports (for
transmit and receive directions):
To update the statistics, type then press .
To clear the counters, type then press .
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
Delay Frames discarded due to excessive
queuing time.
• •
Tx Excessive
Collisions The number of excessive collision events
that have occurred, that is. frames dropped
because of 16 consecutive collisions.
• •
U ENTER
C ENTER