GN Series Hardware Manual 3.3 Bottom View233.3 Bottom ViewBottom view of the GN10/GN12/GN15COM 1USBLAN 1LAN 024V DCVGAN.C.Optional interfaces*VGACOM1 (RS232)2 x LANStatus LED, storage medium2 x USBMounting clampwith Allen screwDC power connectorMounting clampwith Allen screwPower button*Optional interfaces: RS422/485 (insulated), industrial fieldbus, industrial Ethernet...GroundingscrewReset buttonStatus LED, systemBottom view of the GN07COM 1ExtensionUSBLAN 1LAN 024V DCN.C.VGAOptional interface*VGACOM1 (RS232)2 x LAN 2 x USBMounting clampwith Allen screwDC power connectorMounting clampwith Allen screwPower button*Optional interface: RS422/485 (insulated), industrial fieldbus...GroundingscrewStatus LED, storage mediumReset buttonStatus LED, system3.3.1 Optional InterfacesThree optional interfaces are available:• RS422/485 isolated 1.5kV (see page 23)• Industrial fieldbus• Industrial Ethernet (not GN07)Depending on your requirements, GN10/GN12/GN15 supports up to two optional interfaces;GN07 supports one.3.3.1.1 RS422/RS485 Serial InterfaceThe optional RS422/485 serial interface is available as a Sub-D 9-pin connector (female). Theinterface can be configured via DIP switches (see tables).