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994-0089–1.00–2, General
4
Connecting to Devices and
Networks
This chapter provides guidelines for making physical connections between the D400 and
substation and network devices.
4.1 Connection Types
The D400 can accommodate a wide range of devices and network connections through
a variety of communication card options.
For more information about the types of communication cards and configuration options,
see chapter “3 Setting up Communication Cards”.
Serial
The D400 can support up to 16 serial connections (up to 8 serial adapter cards with 2
ports each) to a variety of GE and other vendor devices, including:
• Protective relays
• Meters
• Programmable logic controllers (PLCs)
• Remote terminal units (RTUs)
• Monitoring equipment
• Digital fault recorders (DFRs)
• Sequence of event (SOE) recorders
• Load tap changers (LTCs)