Cable PLC C40HF-20PB-1CÁP IOLINK C40HF-20PB-1 SAMWA IOLINK C40HF-20PB-1C40HF-10PB-1 C40HF-15PB-1 C40HF-20PB-1Cáp kết nối PLC mã C40HF-20PB-1