Pitch of screw hole USB Type-A: ca. 19 mmPitch of screw hole USB Type-B: ca. 19.5 mmThread size: M3ESD protection up to 15 kV for all portsDimensions (LxWxH): ca. 158 x 80 x 32 mmColour: blackPlug & PlaySpecification of power connector 9 - 40 V Dimensions: inside: ø ca. 2.1 mm outside: ø ca. 5.5 mm length: ca. 9 mmSystem requirements Windows 7/7-64/8.1/8.1-64/10/10-64, ex Linux Kernel 3.16.x, ex Mac OS 10.9 PC or laptop with a free USB Type-A portPackage content Hub USB 1 x cable USB A male to USB B male, length ca. 1 m 2 x wall mounting brackets 1 x mounting for 35 mm DIN rail 1 x 3 pin terminal block User manualPackage Retail Box