NI PCIe-8255R User Manual 2 ni.comOptional EquipmentNational Instruments offers a variety of products for use with theNI 8255R, including the following:• Digital I/O cable and horizontal DIN rail terminal block(part number 778790-01) 1• Digital I/O cable and vertical DIN rail terminal block(part number 778791-01) 1• NI Vision I/O Terminal Block and Prototyping Accessory(part number 779166-01) 1• 24 V, 50 W power supply (part number 778794-01) for poweringisolated outputs• Sony IEEE 1394a high resolution monochrome camera(part number 778849-01)• Basler IEEE 1394a standard resolution monochrome camera(part number 778785-01)• LED ringlight and constant current source (part number 778787-01)• 12 mm fixed focal length lens (part number 778789-01)For specific information about these products, refer to theNational Instruments catalog, visit ni.com, or contact the NationalInstruments office nearest you.Safety InformationCaution The following paragraphs contain important safety information you must followwhen installing and operating the device.Do not operate the device in a manner not specified in the documentation.Misuse of the device may result in a hazard and may compromise the safetyprotection built into the device. If the device is damaged, turn it off and donot use it until service-trained personnel can check its safety. If necessary,return the device to National Instruments for repair.Keep away from live circuits. Do not remove equipment covers or shieldsunless you are trained to do so. If signal wires are connected to the device,hazardous voltages can exist even when the equipment is turned off. Toavoid a shock hazard, do not perform procedures involving cover or shieldremoval unless you are qualified to do so. Disconnect all field power priorto removing covers or shields.1 When using this accessory with the NI 8255R, three of the digital I/O signals on the device are not accessible. Refer to theConnectors section of the NI PCIe-8255R User Manual for more information.