1. Overview

SDD is an Optical Converter that is installed in the optical isolation section of the control system network to block abnormal signals from being reverse propagated and transmit signals by uni-direction.

2. Design Features

● Optical converter that blocks abnormal signals from reverse propagation and transmits signals by uni-direction

● Satisfying safety and cyber security regulation for Nuclear Power Plants

● Certified by Nuclear Grade Equipment Qualification(Environmental, Seismic, EMC)

3. Product Specification

● Power

- Power Supply : DC 24V, 500mA(Wire Input)

- Power Supply : DC 5V Adapter Input

● Appearance

- Size : 146.1W x 25.4H x 72.4D[mm]

- Weight : 142g

- Aluminum Housing, Thermal Design

● Status LED

- Module Status

- Network Status

- Link Status

- Active Status

4. Codes and Standards

● Cyber Security

- KINAC/RS-015, Technical Standard on Cyber Security for Computer and Information System Security of Nuclear Facilities

- Reg.Guide 5.71, Cyber Security Programs for Nuclear Facilities

- 10 CFR 73.54, Protection of Digital Computer and Communication Systems and Networks

- NEI 08-09, Cyber Security Plan for Nuclear Power Reactor

- NEI 10-04, Identifying Systems and Assets Subject to the Cyber Security Rule

- NEI 10-09, Addressing Cyber Security Controls for Nuclear Power Reactors

- NEI 13-10, Cyber Security Control Assessments

- IAEA, NSS No.17, Computer Security at Nuclear Facilities

- NIST SP 800-82, Guide to Industrial Control Systems(ICS) Security

● Equipment Qualification

- KEPIC END 1100(IEEE-323), Environmental Qualification

- KEPIC END 2000(IEEE-344), Seismic Qualification

- USNRC Reg.Guide 1.180/IEC 61000-4-2, EMC Qualification

● Software Qualification

- KEPIC 6370, Safety System Digital Computer

- IEEE 1012, Software Verification and Validation Plan

- IEEE 730, Software Quality Assurance Plans

5. Intellectual Property Rights

● Quality Certification

- KEPIC-EN Certification Acquired : Manufacture of Class 1E(Control, Alarm, Surveillance), Instrument & Control Device(Cyber Intrusion Detection System and other one)

● NSE’s KHNP Certificate of Registration

- 216(Q) Power Supplies : Q Class

- 285(A) Electronic Module : A Class