Smappee Infinity - CT Direction and Bus Termination; Custom RJ10 Cable Usage

Smappee Infinity – Installation manual – English
13
The arrow indicated on the Split Core CT,
Solid Core 3-Phase CT or Rogowski coil
(K > L) must point in the direction of the current flow.
Mount the supplied bus termination plug in the free port of the last CT
Hub.
You can use a custom RJ10 cable instead of the standard Smappee Bus cable. The RJ10
must be a twisted pair cable. Pins 1 & 4 and Pins 2 & 3 must be twisted pairs.
See the Smappee Bus cable specification in section 13.