CINE RT (RA) TO ARRI RIA-1/ALEXA35 (ST) : 6 pin Lemo (RA) to 4 pin Lemo (ST).
 
All Serial Cables come with right angle custom-keyed 6 pin Lemo (RA) connectors on the "Cine RT side".
Preston connectors are available in right angle (RA) or straight (ST).  All other LCS Serial connectors are (ST).