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The Allen-Bradley 1783-US6T2TG2H is a 10-port unmanaged Ethernet switch belonging to the Rockwell Automation Stratix 2000 family. It combines six 10/100 Mbps Fast Ethernet copper ports, two 10/100/1000 Mbps Gigabit Ethernet copper ports, and two preinstalled 100 Mbps single-mode fiber interfaces.
This combination allows the switch to connect conventional industrial Ethernet equipment alongside devices requiring higher-speed network communication. The two optical interfaces provide fiber connectivity between separate network locations, making the switch suitable for distributed industrial installations.
The 1783-US6T2TG2H includes two preinstalled single-mode fiber SFP modules with LC connectors. Unlike models requiring separately purchased optical transceivers, these interfaces are already integrated into the product configuration.
As an unmanaged switching device, it forwards Ethernet traffic without requiring advanced network configuration. Its combination of Fast Ethernet, Gigabit Ethernet, and single-mode fiber connections makes it suitable for industrial control cabinets, manufacturing networks, and automation systems with distributed equipment.
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Product Type | Stratix 2000 Unmanaged Ethernet Switch |
| Model | 1783-US6T2TG2H |
| Product Series | Stratix 2000 |
| Switch Type | Unmanaged Ethernet Switch |
| Total Number of Ports | 10 |
| Fast Ethernet Copper Ports | 6 × RJ45 |
| Fast Ethernet Port Speed | 10/100 Mbps |
| Gigabit Ethernet Copper Ports | 2 × RJ45 |
| Gigabit Ethernet Port Speed | 10/100/1000 Mbps |
| Fiber Ports | 2 × Single-Mode Fiber |
| Fiber Port Speed | 100 Mbps |
| Fiber Connector | LC |
| Fiber Transceivers | 2 Preinstalled SFP Modules |
| Network Type | Ethernet |
| Configuration | Unmanaged / Plug and Play |
| Dimensions | 134 × 53.6 × 114.8 mm |
| Weight | 0.45 kg |
The 1783-US6T2TG2H operates as an unmanaged Ethernet switch, receiving network frames from connected equipment and forwarding them through the appropriate interfaces according to their destination MAC addresses.
Its six Fast Ethernet RJ45 ports support 10/100 Mbps communication. These interfaces are suitable for conventional automation devices such as PLC controllers, operator panels, and industrial monitoring equipment.
The two Gigabit Ethernet RJ45 ports support 10/100/1000 Mbps communication. They can connect compatible high-speed network equipment, including industrial computers and other Ethernet switches.
The two preinstalled single-mode fiber interfaces provide 100 Mbps optical communication through LC connectors. The optical transceivers convert electrical Ethernet signals into optical signals for transmission over single-mode fiber and convert incoming optical signals back into electrical data.
A typical communication arrangement is:
PLC / HMI / Industrial PC → 1783-US6T2TG2H → Copper Ethernet or Single-Mode Fiber → Remote Network Devices
The switch automatically handles Ethernet frame forwarding without requiring manual routing or advanced network configuration. This allows connected automation devices to exchange data through a combination of copper and optical network connections.
The 1783-US6T2TG2H serves as a mixed-speed industrial network switching device within the Stratix 2000 architecture.
Its six Fast Ethernet ports support conventional automation equipment, while the two Gigabit Ethernet ports provide higher-speed copper connections. The two single-mode fiber interfaces extend network communication to remote equipment locations.
A typical network arrangement is:
Industrial Controller → 1783-US6T2TG2H → Local Ethernet Devices / Gigabit Network / Single-Mode Fiber Network
| System Component | Function |
|---|---|
| 1783-US6T2TG2H | Provides ten-port unmanaged Ethernet switching |
| PLC Controller | Executes automation logic and exchanges process data |
| HMI Panel | Provides operator interaction and equipment monitoring |
| Industrial Computer | Supports engineering and industrial data processing |
| Gigabit Ethernet Device | Uses high-speed copper network connectivity |
| Single-Mode Fiber Interface | Establishes optical Ethernet connections |
| LC Fiber Cable | Connects remote network equipment |
| RJ45 Ethernet Cable | Connects local automation devices |
The switch manages Ethernet frame forwarding, while the connected controllers and automation equipment perform their respective control and communication functions.
| Application | Typical Use |
|---|---|
| Factory Automation | Connecting PLCs, HMIs, and industrial computers |
| Manufacturing Networks | Linking equipment with different Ethernet speed requirements |
| Industrial Control Cabinets | Providing copper and single-mode fiber network connections |
| Packaging Machinery | Connecting machine controllers and operator interfaces |
| Process Automation | Supporting communication between distributed control devices |
| Material Handling | Connecting conveyor controllers and monitoring equipment |
| SCADA Networks | Linking local Ethernet devices with remote network segments |
| Industrial Network Expansion | Adding Gigabit and fiber connectivity to existing infrastructure |
| Machine Communication | Connecting automation equipment through mixed-speed Ethernet |
| Distributed Manufacturing | Establishing single-mode fiber connections between production areas |
| Component | Product Type | Function |
|---|---|---|
| Allen-Bradley ControlLogix | Programmable Automation Controller | Executes industrial automation control programs |
| Allen-Bradley CompactLogix | Programmable Automation Controller | Provides machine-level automation control |
| Allen-Bradley PanelView Plus | Operator Interface Terminal | Provides machine monitoring and operator interaction |
| Stratix 2000 Ethernet Switch | Unmanaged Ethernet Switch | Extends industrial Ethernet connectivity |
| Gigabit Ethernet Switch | Industrial Ethernet Switch | Connects high-speed Ethernet network segments |
| Single-Mode Fiber Cable | Optical Network Cable | Connects remote equipment through optical interfaces |
| RJ45 Ethernet Cable | Copper Network Cable | Connects local industrial automation devices |
Both models provide six 10/100 Mbps copper ports, two 10/100/1000 Mbps Gigabit copper ports, and two 100 Mbps fiber interfaces. The main difference is the optical media: the 1783-US6T2TG2H uses single-mode fiber, whereas the 1783-US6T2TG2F uses multimode fiber.
Yes. The product configuration includes two preinstalled 100 Mbps single-mode fiber SFP modules with LC connectors. Separate transceiver purchases are not required for these specified optical interfaces.
Yes. Both Gigabit RJ45 ports support 10/100/1000 Mbps Ethernet communication. They can establish connections with compatible equipment operating at lower Ethernet speeds through automatic speed negotiation.
Check the LC connector condition, fiber cable compatibility, transmit and receive polarity, and the status of the remote network interface. Also inspect the optical port indicators to determine whether the connection has been established and whether network traffic is being exchanged.