Contextual Info: Stan d ar d co ax patch ja c k s Patch Jacks J15, J14, J24, andJ214 can be mounted vertically or horizontally on 5/8" centers. Mounting tabs are normally "back-to-back" as shown. For side-by-side tabs for horizontal mounting, add the letter "L" for left-hand tabs or "R" for right hand tabs not available on J24 and J214 .