ALSTOM N897163510Q / N897163050Q MODEM and N897163100U Interface Unit
The ALSTOM N897163 series comprises advanced power line carrier (PLC) modems designed for robust communication over medium and high voltage power lines. These modules facilitate data exchange between substations, remote terminal units, and smart grid devices without the need for additional communication infrastructure.
Key Features
High-speed data transmission up to 2 Mbps
Frequency range: 30 kHz to 500 kHz (adjustable)
Robust modulation techniques: OFDM, DPSK, or FSK
Adaptive equalization and forward error correction for noisy channels
Integrated line matching unit and coupling interface
Supports IEC 61850, DNP3, and IEC 60870-5-101/104 protocols over PLC
Technical Specifications
Output power: up to 10 W (adjustable)
Receiver sensitivity: -85 dBm
Impedance matching: 50 / 75 / 100 Ω selectable
Operating voltage: 24-250 V DC / 100-240 V AC
Temperature range: -40°C to +70°C
Enclosure: IP65 rugged metal housing for pole or substation mounting
Models and Components
N897163510Q – Master PLC modem with enhanced processing and multiple protocol stacks
N897163050Q – Slave/remote modem for end-point communication
N897163100U – Interface unit providing power supply, line coupling, and surge protection
Applications
The N897163 series is widely used in distribution automation (DA), smart metering, remote fault indication, and grid monitoring. It enables cost-effective communication in areas where fiber or wireless is not feasible. Typical deployments include overhead lines, underground cables, and mixed networks.
Reliability and Standards
Compliant with IEC 62488 (Power line communication systems) and IEEE 643, the modems ensure coexistence with other PLC systems and minimal interference. The modules undergo rigorous testing for high-voltage transients, ensuring safe operation in substation environments.
By utilizing the power grid itself as the communication medium, ALSTOM PLC modems offer a resilient and secure solution for modernizing electrical networks.





