Fig. 25 Pin Configuration Of The Rj45 Sockets - Beckhoff CU2508 Documentation

Mounting and wiring
UL requirements
• from an isolated source protected by a fuse of max. 4A (according to UL248) or
• from a voltage supply complying with NEC class 2.
• An NEC class 2 voltage source must not be connected in series or parallel with another
NEC class 2 voltage source! These requirements apply to the supply of all Bus Cou-
plers, power supply terminals, Bus Terminals and their power contacts.
UL requirements
In order to comply with UL requirements, the EtherCAT components must not be connected
to unlimited voltage sources!
Ethernet
Pin configuration of the RJ45 sockets
Fig. 25: Pin configuration of the RJ45 sockets
26 Version: 2.6 Real-time Ethernet port multiplier