Connect Smart BMS CL 12-100 to Multiplus 12/1200

Hello.

installed thus weekend Smart BMS CL 12-100, Multiplus 12/1200 and two new LI-ION batterties

question how to connect the special remote cable for Smart BMS CL 12-100. The multi plus has three connections for remote (ON, Ch and +)

Cable on two wires (black and red)