Siemens 6GK6021-0AS23-3DB0-Z RUGGEDCOM RSG2100 Ethernet switch

Documented RUGGEDCOM RSG2100 Ethernet switch function and network position for 6GK6021-0AS23-3DB0-Z.

Documented system function

Rebuilt from individual evidence

The documented 6GK6021-0AS23-3DB0-Z is a RUGGEDCOM RSG2100 Ethernet switch with the identity and characteristics stated in the cited source.

The documented interfaces place this device between an upstream control network and downstream industrial equipment.

Exact reference: 6GK6021-0AS23-3DB0-Z
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: Routes or transmits the documented communication traffic at the industrial system boundary.
System position: Sits at the documented network boundary.
Upstream / inputs: Receives the upstream control-network data.
Downstream / outputs: Serves the downstream network devices.
Limitations: Unknown: installed wiring, configuration, firmware compatibility, and current unit condition.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The fetched specification associates the exact configuration with a Siemens RUGGEDCOM RSG2100 Ethernet bay switch.
Confidence: medium
- www.etenders.gov.za — retrieved 2026-09-12; medium confidence
The cited configuration lists copper and fiber Ethernet ports and dual 88-300 VDC power for the RSG2100 bay-switch installation.
Confidence: medium
- www.etenders.gov.za — retrieved 2026-09-12; medium confidence

Inferences

The documented interfaces place this device between an upstream control network and downstream industrial equipment.
Confidence: medium
Rationale: The exact-reference identity and documented interfaces place this device at the stated network boundary.
- www.etenders.gov.za — retrieved 2026-09-12; medium confidence

Unknowns

Unknown: installed wiring, configuration, firmware compatibility, and current unit condition.
Confidence: low
Missing evidence: An installed-system inspection and compatibility record were not available in the individual lookup.

System position diagram

Upstream control network connected through 6GK6021-0AS23-3DB0-Z to downstream network devices. — The device sits between the upstream control network and downstream network devices.

View Mermaid source

flowchart LR
  upstream[Upstream control network] --> device[6GK6021-0AS23-3DB0-Z]
  device --> downstream[Downstream network devices]

View diagram labels

Nodes: Upstream control network; 6GK6021-0AS23-3DB0-Z device; Downstream network devices
Edges: Network data enters the device; Device serves the downstream network

Next action

Use this reference when the documented interfaces and network requirements match the installation.

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