Case can be prevent short circuits, With a fixed circuit board card slot, the connector will not loose before and after installation.. All-copper base, contacted better and more antioxidative, White gold-plated plug, reliable contact, super transmission performance, signal stability increased by 40%.. High-quality, double-sided PCB board with wiring numbers for quick and easy wiring.. Compatible with 3 cable sizes,
Cable Hole Dia: 5mm/ 0.2 '' 6mm/ 0.23 '' 7mm/ 0.27 '' 10mm / 0.4".
application: computer, industrial control equipment, cash register, tax control machine, automatic control equipment, industrial instrumentation..
Package included: 1 x DB9 breakout board female+1 x DB9 breakout board male adapter with case. 3 sizes of trunking. 4x Screws 4x Long bolts. with Assembly screwdriver.