tams elektronik RailCom RCD-2 Manual page 28

English
Connecting distortion resistors
With the RCD-2 interferences in the RailCom data bus can result in an
incorrect transfer of the RailCom messages to the connected display
devices or in a very slow data transfer. In this case you should connect
additional resistors (included in the package) according to fig. ? as an
interference suppression.
5 V Internal voltage supply. For the connection of distortion
resistors if necessary.
Page 28
Fig. 4: Connection of
distortion resistors
RCD-2