CINE RT (RA) TO ARRI ALEXA EXT PORT (ST) 
6 & 2 Pin Lemo (Right Angle) to 16 Pin Lemo (Straight) *Not for use with Mini/Mini LF*
 
All Y Cables come with right-angle connectors on the "Cine RT side".
Preston connectors are available in right angle (RA) or straight (ST).  All other LCS Serial connectors are (ST).