Technical Specifications:
Board Type: Protocol Queue Manager Interface (PQMII)
Revision: T20-C (Enhanced)
Ethernet Ports: 4 Gigabit Ethernet + 2 10-Gigabit SFP+ ports (upgraded from T20)
Protocol Support: All T20 protocols plus MQTT, AMQP (for IIoT applications)
Queue Depth: 2048 message queues (doubled from T20)
Throughput: Up to 10 Gbps aggregate (upgraded from 1 Gbps)
Latency: Less than 1 millisecond for priority traffic (improved from 5ms)
Redundancy: PRP and HSR support (added in C revision)
Memory: 512 MB DDR3 RAM (upgraded from 256 MB in T20)
Functional Features:
10-Gigabit Uplinks: The SFP+ ports provide high-bandwidth connections to core plant switches, supporting video and big data applications.
IIoT Protocol Support: Added MQTT and AMQP support enables direct cloud connectivity for Industrial Internet of Things applications.
Enhanced Cybersecurity: Supports 802.1X authentication, MACsec encryption, and TLS 1.3 for secure communications.
Larger Buffers: Doubled queue depth allows the board to handle longer network outages without losing messages.
Advanced Diagnostics: Provides real-time network traffic analysis, packet capture, and protocol-level diagnostics.
Application Scenarios:
Smart Plant Integration: Connects the turbine controller directly to cloud platforms and IIoT gateways using MQTT.
High-Bandwidth Applications: Used in plants that require 10-Gigabit connectivity for video surveillance, real-time analytics, and large historian data transfers.
Cybersecurity-Critical Installations: Deployed in facilities with strict cybersecurity requirements (NERC CIP, IEC 62443) due to enhanced encryption and authentication.
Retrofit Projects: Replaces older T20 boards in existing Mark VIe systems to add 10-Gigabit capability and IIoT protocol support.











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