Allied Telesis AT-S62 - Manual (Page 620)

Chapter 35: Port Parameters
Section VIII: Web Browser Management 620
Oversize Frames
Number of frames exceeding the maximum specified by IEEE
802.3 (1518 bytes including the CRC) received on the port.
Fragments
Number of undersized frames, frames with alignment errors, and
frames with frame check sequence (FCS) errors (CRC errors)
received on the port.
The Clear button at the bottom of the statistics page clears all the
counters for the selected port. The Clear All button clears the
counters for all of the ports on the switch.
Tx Collisions
Total number of collisions detected on the port. Occurs only on
ports operating in half duplex mode.