GE D400 Substation Data Manager User Manual page 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.
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D400 Substation Data Manager User's Manual
GE Energy
45