BECKHOFF EP9214-0023 - Manual (Page 15)

Mounting and cabling
Also see about this
2 EtherCAT Box - Accessories [ } 106]
3.2 EtherCAT
3.2.1 EtherCAT connection
For the incoming and ongoing EtherCAT connection,
• the EtherCAT Box (EPxxxx) has two M8 sockets, marked in green
• the Coupler Box (FBB-x110) has two M12 sockets
Fig. 11: EtherCAT Box: M8 (30 mm housing)
Fig. 12: EtherCAT Box: M8 60 mm housing (EP9214 for example )
Fig. 13: Coupler Box: M12
Assignment
There are various different standards for the assignment and colors of connectors and cables for Ethernet/
EtherCAT.
EP9214-0023 and EP9224-0023 15 Version 2.0.0