0
There are RJ-11, RJ-12, and RJ-45 connectors. RJ-11 is typically used for telephone lines, while RJ-45 is used for NICs.
RJ 15
RJ stands for registered jack. There are a no. of RJ's that we use for e.g., RJ-9 ,RJ-11 RJ-12, RJ-45, RJ-48 etc
RJ Atlas is 5' 11".
RJ Vaughn is 5' 11".