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 GE 
Energy 
 
D400 Substation Data Manager User's Manual  
15
 
1.4 Product 
Specifications 
The D400 adheres to the following system, communications, electrical, physical and 
environmental specifications. Additional Standards and Protection are listed in Appendix 
A - Standards & Protection. 
System 
Processor 
650 MHz Embedded CPU with 33 MHz PCI bus 
Memory 
512 MB of PC133 SDRAM 
Storage 
No hard drive 
512 MB System CompactFlash card 
256 MB User CompactFlash card  
Both expandable to 2 GB 
Operating system 
Linux 
Real-time database 
Up to 131,072 data points/128 IEDs 
16 MB NVRAM standard for persistent event storage 
guaranteeing no loss of events 
Embedded Mini SQL 
database 
Up to 20,000 SOE reports archived 
Up to 10,000 alarm records archived 
LED indicators 
Main module 
System status: Power, Ready, IRIG-B and Network port status 
Serial port status: Transmit and Receive status per port 
Power Supplies   
Power 
Communications 
Protocols supported 
DNP3.0 Serial and UDP/TCP/IP, SEL Fast Meter 
Modbus® Serial and TCP/IP, IEC 870-5-101/104/103, Spabus, 
INCOM, GE Modem, BECO 2200, ASCII, SEL ASCII, IEC 61850 - 
Future 
DHCP, Telnet, NTP, HTTPS, SFTP, SSH, SSL, CHAP 
Network connections 
Single or dual redundant Ethernet interface 
Fiber Optic and/or Twisted Pair 
10/100BaseT (Isolated RJ-45 connector) 
10BaseFL and 100BaseSX (Fiber Optic: 820-850 nm, 50/125 
µm and 62.5/125 µm multimode duplex fiber cable-ST 
connectors)