Product Overview: Allen Bradley 1783-US8T Port Unmanaged Switch
The Allen‑Bradley 1783‑US8T is an unmanaged 8‑port Ethernet switch from the Stratix 2000 series, designed for industrial networking applications. It provides reliable, plug‑and‑play connectivity for Ethernet/IP devices in harsh factory floor environments with a compact DIN‑rail form factor.
Brand Name: Allen Bradley
Product Name: 1783-US8T
Place of Origin: USA
Warranty: 1Year
Key Parameters and Features
Core Features & Advantages
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Simple Plug-and-Play Operation: The module's standout feature is its "unmanaged" design. It requires no configuration and is ready to use out of the box, making it ideal for small or isolated networks where quick setup is essential .
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Durable Industrial Design: Designed for industrial environments, this switch features a compact, DIN-rail mountable form factor, supports a wide operating temperature range of 0...60°C, and has an IP20 rating for protection in control cabinets .
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Flexible Power Options: To simplify installation, the 1783-US8T accepts a wide range of both AC and DC power inputs, allowing it to integrate easily with various industrial power supplies .
Typical Applications
The 1783-US8T is widely used for network connectivity in industrial automation applications , such as:
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Machine Building: Connecting HMIs, drives, and sensors on a single machine.
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Small Control Systems: Providing network access for PLCs and I/O devices in compact control panels.
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Factory Floor Networking: Extending network connectivity to individual workstations or standalone equipment.
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Frequently Asked Questions (FAQ)
Q1: What is the 1783-US8T used for?
A: It is a simple plug-and-play Ethernet switch used to connect industrial control devices such as PLCs (ControlLogix, CompactLogix), HMIs, drives, and I/O networks in small control sub-networks or machine-level applications.
Q2: Is it managed or unmanaged?
A: It is an unmanaged switch, meaning it requires no configuration, does not support VLANs, routing features, or port diagnostics . It is truly "plug-and-play" .
Q3: Does it support Gigabit Ethernet?
A: No. All eight ports are 10/100 Mbps Fast Ethernet only .
Q4: Does it have fiber or SFP ports?
A: No, this model is all copper (RJ45) and does not support fiber connectivity .
Q5: What is the difference between 1783-US8T and 1783-US5T?
A: The US8T provides 8 ports, while the US5T is a smaller 5-port version. Both share the same unmanaged, plug-and-play design .
Q6: What are the power requirements?
A: It operates on 12–48 V DC or 18–30 V AC (24 V nominal) industrial power supplies . Maximum power consumption is 4.6 W .
