GE EPM 5300 Instruction Manual page 29

Debugging Communication Problems
If you experience NO communication, check these conditions:
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Is the Baud Rate set correctly (see Part II: Programming Section)?
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Is the Meter Address set correctly (see Part II: Programming Section)?
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Is the correct protocol set? Modbus, DNP 3.0?
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Set the meter for the appropriate protocol for the internal software.
GE Multilin
CHAPTER 4: COMMUNICATION INSTALLATION
EPM 5000 series Advanced Power Meters
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