6GK5204-2BC10-2AA3 Siemens SCALANCE X204-2LD managed IE switch

Siemens identifies 6GK5204-2BC10-2AA3 as the SCALANCE X204-2LD managed IE switch. The SCALANCE X204-2LD provides four 10/100 Mbps RJ45 ports and two 100 Mbps single-mode BFOC optical ports with PROFINET IO, network management, and an integrated redundancy manager.

System role and interfaces

Rebuilt from individual evidence

Unknown: evidence boundary

Siemens identifies 6GK5204-2BC10-2AA3 as the SCALANCE X204-2LD managed IE switch.

The SCALANCE X204-2LD provides four 10/100 Mbps RJ45 ports and two 100 Mbps single-mode BFOC optical ports with PROFINET IO, network management, and an integrated redundancy manager.

At system level, 6GK5204-2BC10-2AA3 sits between upstream and downstream Industrial Ethernet nodes in the machine network. This sentence is an inference from the cited identity and function facts.

Unknown: the individual unit's condition, firmware, configuration, installation compatibility, and current commercial status.

Exact reference: 6GK5204-2BC10-2AA3
Category: PLC / CPU
Evidence checked: 2026-09-12

System role

This section explains what the product does and where it acts in the surrounding system.

Function: Switches Industrial Ethernet traffic among connected automation network nodes.
System position: Sits between upstream and downstream Industrial Ethernet nodes in the machine network.
Upstream / inputs: Receives managed Ethernet links from upstream automation nodes.
Downstream / outputs: Forwards Industrial Ethernet traffic through the configured network ports to connected automation nodes.
Limitations: Unknown: the individual unit's condition, firmware, configuration, installation compatibility, and current commercial status.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

Siemens identifies 6GK5204-2BC10-2AA3 as the SCALANCE X204-2LD managed IE switch.
Confidence: high
- media.eecoonline.com — retrieved 2026-09-12; medium confidence
The SCALANCE X204-2LD provides four 10/100 Mbps RJ45 ports and two 100 Mbps single-mode BFOC optical ports with PROFINET IO, network management, and an integrated redundancy manager.
Confidence: high
- media.eecoonline.com — retrieved 2026-09-12; medium confidence

Inferences

Inferred system position: sits between upstream and downstream Industrial Ethernet nodes in the machine network.
Confidence: medium
Rationale: The exact-reference source establishes the product identity and documented function; the adjacent system position is stated as an engineering inference.
- media.eecoonline.com — retrieved 2026-09-12; medium confidence

Unknowns

Unknown: the individual unit's condition, firmware, configuration, installation compatibility, and current commercial status.
Confidence: low
Missing evidence: No unit-level inspection, installed-system record, configuration, condition, or current commercial assessment was captured in this individual lookup.

System position diagram

Upstream Industrial Ethernet nodes connects through 6GK5204-2BC10-2AA3 SCALANCE X204-2LD managed IE switch to Downstream Industrial Ethernet nodes. — Evidence-supported system position for 6GK5204-2BC10-2AA3; this is a conceptual role diagram, not wiring or safety instruction.

View Mermaid source

flowchart LR
  upstream["Upstream Industrial Ethernet nodes"] --> unit["6GK5204-2BC10-2AA3 SCALANCE X204-2LD managed IE switch"]
  unit --> downstream["Downstream Industrial Ethernet nodes"]

View diagram labels

Nodes: Upstream Industrial Ethernet nodes; 6GK5204-2BC10-2AA3 SCALANCE X204-2LD managed IE switch; Downstream Industrial Ethernet nodes
Edges: Documented upstream interface; Documented downstream system interface

Next action

Use the documented SCALANCE X204-2LD managed IE switch role as the evidence-supported starting point; verify the installed system and exact unit before service, replacement, or commissioning.

Unknown: confirm the installed unit's condition, firmware, configuration, installation compatibility, and current commercial status before a sourcing or replacement decision.

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