Rockwell Automation 1788 NetLinx Media Checker Users Manual - Manual (Page 14)

14 The Test Function (TEST)
1788-UM002A-US-P – April 2000
Table 7. Failures Detected for Each Cable Type
Failures Detected DeviceNet DH+/RIO Ethernet ControlNet
Distance to short Yes
1
Yes Yes Yes
Distance to open (near end) Yes
1
Yes
2
Yes Yes
2
Length Yes 1 Yes Yes Yes
Split pair Yes
3
No Yes No
Wire map Yes
4
Yes
4
Yes
4
No
1. Measured for the data pair only. For shorted power wires, the MediaChecker displays the resistance of the short.
2. The distance to an open is the same as the measured length.
3. Split pair test not run on KwikLink cables.
4. Test available when using the Cable ID.