GE 994-0089 Benutzerhandbuch

Seite von 92
 GE 
Energy 
 
D400 Substation Data Manager User's Manual  
45
 
The following types of serial connections are supported in single or multi-dropped set 
ups: 
•  RS-232 
•  RS-485 (2-wire or 4-wire) 
•  Fiber Optic Serial (glass or plastic) 
Network 
The D400 can support up to eight network connections to host and network clients, 
including: 
The D400 can support up to eight network connections. 
•  SCADA master station 
•  Substation LAN 
•  Enterprise network (Corporate wide area network) 
The following networking connections are supported:  
•  Ethernet (Twisted pair or Fiber optic) 
•  COM2 (for dial-up) 
Time Synchronization 
The D400 accepts a time synchronization input (IRIG-B) from GPS receivers that can be 
subsequently distributed to connected devices. 
Local Substation Computer 
A substation computer can be set up with the D400 through the USB KVM connections to 
access the HMI locally. 
Optionally, a portable PC can be connected to the front Ethernet port to access the HMI 
locally. 
Local Maintenance  
A local PC can be directly connected to the D400 through a front serial communications 
port to perform system maintenance.