Rockwell Automation 2090-CPxxx Continuous-flex Power and Brake Extension Cable with DIN Connector - Manual (Page 5)

Continuous-flex Power and Brake Extension Cable with SpeedTec Connector 5
Publication 2090-IN028B-EN-P - January 2011
5. Remove the O-ring from the motor receptacle when using a cable with a SpeedTec plug.
The type of plug on the cable determines whether an O-ring is required on the
receptacle.
IMPORTANT The O-ring dampens the effects of vibration at the cable-to-motor connection.
This creates a more secure connection for a cable with a threaded plug.
SpeedTec Plug
Threaded Plug
Remove O-ring when mating with a
SpeedTec plug.
Install O-ring when mating with a
threaded plug.
O-ring in Groove.
If an O-ring is installed, a SpeedTec plug will not engage with the receptacle.