IOLAN SDS8C LDC Utility Terminal Server: 8 x RJ45 serial ports, software selectable RS232/422/485 interface, Cisco Rj45 pinout, 24/48 VDC power, dual 10/100/1000Base-T Ethernet, 1U rack mount, Advanced Features for NERC-CIP compliance, Meets IEC 61850-3, IEEE 1613 electric power substation environmental standard. Certified for NEBS Level 3 for Telecommunications Facilities.