Data Sheet iSG4F Intelligent Flexible Secure Gateway IEC 61850-3 and IEEE 1613 Compliant The iSG4F flexible secure gateway is designed for small remote sites that require robust cyber secure connection to limited number of devices over a public network (via serial or IP connection). It provides variety of services including: • Distributed DPI (Deep-packet Inspection) firewall • A built-in in APA (Authentication Proxy Access) for compliance with the NERC CIP V6 requirement for identifying and granting privileges to users prior to granting network access • Support for VPN tunnels for secure inter-site connectivity with IPsec, DM-VPN, mGRE tunnels (among others) with key management certificates • iDMS Windows Management Software The product is made of galvanized steel and has a wide operating temperature from -40°C to 85°C suitable for the harshest of environments without the use of fans. All specifications are subject to change without notice. DS-iSG4F-4.4.1-EN.docx Page- 1

Remote site access over redundant cellular networks 3G/4G SP1 Remote site access over fiber and redundant cellular link All specifications are subject to change without notice. DS-iSG4F-4.4.1-EN.docx Page- 2

Features Feature 2 x SIM Cellular Interfaces for connecting to remote isolated sites (with VPN) over a cellular network Authentication Proxy Access (APA) Layer 3 VPN with IPSec Layer 3 protection using Dynamic protocols like OSPF and RIPv2 Gateway Translation for IEC 101/104, Modbus RTU/ TCP, and DNP3 TCP/RTU Designed for secure remote connections over public networks Network Uplink over Ethernet or Cellular Distributed DPI firewall Available with dual power supplies Dinrail and wall mount All specifications are subject to change without notice.

All specifications are subject to change without notice. DS-iSG4F-4.4.1-EN.docx Page- 4

All specifications are subject to change without notice. DS-iSG4F-4.4.1-EN.docx Page- 5

Dimensions All dimensions are shown in inches. Panel mount All specifications are subject to change without notice.

All dimensions are shown in inches. Dinrail Mount All specifications are subject to change without notice.

All specifications are subject to change without notice. DS-iSG4F-4.4.1-EN.docx Page- 8

All specifications are subject to change without notice. DS-iSG4F-4.4.1-EN.docx Page- 9