User Documentation
User Manual Managed Switches 
162 
Single 
Collisions 
UDINT (32) 
Successfully transmitted 
frames which experienced 
exactly one collision. 
Multiple 
Collisions 
UDINT (32) 
Successfully transmitted 
frames which experienced 
more than one collision. 
SQE Test Errors 
UDINT (32) 
Number of times the SQE 
test error message is 
generated. 
Deferred 
Transmissions 
UDINT (32) 
Frames for which first 
transmission attempt is 
delayed because the 
medium is busy. 
Late Collisions 
UDINT (32) 
Number of times a collision 
is detected later than 512 bit 
times into the transmission 
of a packet. 
Excessive 
Collisions 
UDINT (32) 
Frames for which 
transmission fails due to 
excessive collisions. 
MAC Transmit 
Errors 
UDINT (32) 
Frames for which 
transmission fails due to an 
internal MAC sublayer 
transmit error. 
Carrier Sense 
Errors 
UDINT (32) 
Times that the carrier sense 
condition was lost or never 
asserted when attempting to 
transmit a frame. 
Frame Too 
Long 
UDINT (32) 
Received frames that 
exceed the maximum 
permitted frame size. 
MAC Receive 
Errors 
UDINT (32) 
Frames for which reception 
on an interface fails due to 
an internal MAC sublayer 
receive error. 
6 
Get/Set 
Interface 
Control 
(Struct.) 
Configuration for physical 
interface. 
Control Bits 
WORD (16) 
Bit 0: Auto-Negotiate   
 Value 0: Force 
 Value 1: Auto-Neg 
Bit 1: Half/Full Duplex 
 Value 0: half duplex 
 Value 1: full duplex 
Bit 2 to 15: Reserved, all 
zero 










