Benny, You may have to contact K3support for that schematic. 73, Don W3FPR On 9/26/2015 2:30 PM, Benny Aumala wrote: > Need a schematic of CBLP3Y cable. > > K3S comes with E980297 cable (RJ45 in K3S to RS232 in P3). > Now the need is connection between those two RS232 to P3 (PC and XCVR).