Product Overview

The Siemens 6GK5646-2GS00-2AC2 is a high-performance industrial security appliance from the SCALANCE SC-600 series, specifically designed to protect automation networks from unauthorized access and external cyber threats. This Gigabit-capable router serves as a robust gateway between internal production cells and higher-level corporate networks or the internet. By integrating a stateful inspection firewall with advanced VPN capabilities, the 6GK5646-2GS00-2AC2 ensures that only verified data traffic enters the control level. Its architecture supports "Defense in Depth" strategies, allowing system integrators to segment industrial networks into protected security zones without sacrificing the high-speed data throughput required for real-time process synchronization.

Hardware Infrastructure and Security Parameters

The following technical data details the physical and functional layout of the SCALANCE SC646-2C security router.

• Port Configuration 4x 10/100/1000 Mbit/s RJ45 electrical ports plus 2x Combo ports (RJ45 or SFP)

• Performance Gigabit Ethernet wire-speed switching across all 6 ports

• Security Functions Stateful Inspection Firewall, NAT/NAPT, and IPsec VPN

• Management Integrated Web-based Management (WBM), CLI, and SNMP; compatible with SINEMA Remote Connect

• Tunneling Support for high-speed IPsec VPN tunnels with hardware-accelerated encryption

• Diagnostics Fault signaling contact and multi-LED status monitoring for link, data, and redundancy

• Physical Weight 0.95 kg

• Device Dimensions 2.5 cm x 5.1 cm x 83.8 cm

• Operating Voltage Redundant 24V DC input terminal

• Manufacturing Origin Germany

• HS Classification 8537101190

Industrial Network Security Applications

This cyber security router is primarily deployed in critical infrastructure and high-availability manufacturing environments. In the automotive and chemical industries, the 6GK5646-2GS00-2AC2 is used to isolate sensitive PLC production cells from the main plant network, preventing the spread of malware and unauthorized protocol interference. Its SFP combo ports make it ideal for serving as a secure fiber-optic backbone node in large-scale facilities like water treatment plants or energy distribution centers. Additionally, the device is a standard choice for secure remote maintenance; by utilizing encrypted VPN tunnels, authorized engineers can perform remote diagnostics and software updates on decentralized machinery without exposing the local network to the public internet. Its ruggedized casing and fanless design ensure reliable 24/7 protection in environments characterized by high vibration and varying temperature ranges.