CN ka Natlab Conector Hota hy Conection nahi. PCB Me 1 Se Ziyada Conector Hote Hen To unko Cn1. Cn2. Cn3 Etc. isterha show kiya jata hy. im Electronics Engineer 35 years Experience. B.E. Karachi University. Wese Apki Koshish Qabile Taareef Hy. Good. Carry on Beta.