A-2 Appendix A: Transient Protection• Be listed by the accepted safety organization for the countryinvolved (UL, CSA, VDE, ETL, and so on) and the installation mustconform to local, state, and national electrical codes andregulations.Data Line Transient ProtectionThe nature of the transient phenomenon may extend to the datacommunication lines connected to this equipment. It is theresponsibility of the customer to install and connect a data linetransient suppression system to correct or prevent any deficiencies.Such systems must meet the following minimum requirements:• Be of the voltage limiting type and must self-recover after passageof the transient.• Insert less than 5 ohms resistance and minimal inductive andcapacitive loading at the operating frequency for data lines, inorder to avoid signal degradation.• Be installed in accordance with all applicable local, state, andnational electrical codes and regulations.Note: In certain countries, NCR is able to supply both power and dataline transient suppressors as well as a comprehensive line of powerconditioning equipment. For application data, contact your NCRCustomer Services Division Representative.
