1783-US8T Allen-Bradley Stratix 2000 Unmanaged 8-Port Switch

Core Technical Performance

The 1783-US8T represents a ruggedized networking solution within the Stratix 2000 ecosystem. Engineered for localized machine-level connectivity, this unmanaged switch utilizes eight 10/100 Mbps copper ports to facilitate seamless data exchange. It eliminates complex software configuration, prioritizing plug-and-play deployment in industrial control cabinets. The 1783-US8T supports versatile power requirements, accepting 18-30V AC or 12-48V DC, ensuring compatibility with standard 24V industrial power supplies.

Engineering Specifications

• Manufacturer: Allen-Bradley / Rockwell Automation
• Model Number: **1783-US8T**
• Product Series: **Stratix 2000**
• Port Configuration: 8 RJ45 Copper Ports (10/100 Base-T)
• Ingress Protection: IP20 Rated Enclosure
• Mounting Profile: Standard DIN Rail (35mm)
• Switching Logic: Store-and-Forward Technology
• Power Input: 24V AC/DC Nominal (12-48V DC / 18-30V AC Range)
• Temperature Tolerance: -10 C to 60 C Operational Range
• Physical Weight: 0.75 lbs (0.34 kg)
• Traffic Control: Integrated DIP Switch for Broadcast Storm Protection

Global PLC Spare HUB's Insight

Our technical team views the 1783-US8T as the gold standard for simple hardware-layer expansion. Unlike managed switches, the Stratix 2000 series avoids boot-time delays and firmware vulnerabilities. The 1783-US8T is particularly effective when bridging remote I/O drops to a central PLC without the overhead of VLAN management. Its compact footprint and low heat dissipation make it ideal for high-density DIN rail layouts where airflow is limited.

Target Equipment and Applications

• PLC Networking: Connecting CompactLogix or Micro800 controllers to local HMI panels.
• Remote I/O: Linking Point I/O or ArmorBlock modules back to the main processor.
• Vision Systems: Integrating industrial cameras with local processing units.
• Motor Control: Networking PowerFlex drives within a localized control group.
• Field Instrumentation: Consolidating multiple Ethernet-enabled sensors in wastewater or HVAC environments.

Diagnostic and Resilience Features

• Status LEDs: Individual link/activity indicators per port for immediate physical layer troubleshooting.
• Storm Protection: Hardware-level broadcast storm suppression enabled via physical DIP switch.
• Power Redundancy: Flexible AC/DC input helps maintain uptime during power source fluctuations.
• Vibration Resistance: Solid-state internals designed to withstand industrial machinery harmonics.

Logistics and Warranty Support

• Warranty Policy: Every 1783-US8T is backed by a professional 12-month quality guarantee.
• Global Shipping: Rapid fulfillment via FedEx, UPS, and DHL.
• Shipping Lead Time: Guaranteed dispatch within 24-48 hours of order processing.
• Package Contents: One (1) New **1783-US8T** Stratix 2000 Unmanaged Switch.

Professional FAQ

Question: Does the 1783-US8T support Power over Ethernet (PoE)?

Answer: No, this model is a standard data-only switch; it does not provide power to connected devices like cameras or wireless access points.

Question: When should I enable the Broadcast Storm Protection DIP switch?

Answer: Enable this feature if your network experiences high volumes of multi-cast traffic which could potentially overwhelm the CPU of connected PLCs.

Question: Can I use 24V AC from a control transformer to power this switch?

Answer: Yes, the 1783-US8T is unique because it accepts 18-30V AC (50/60 Hz), making it compatible with legacy transformer circuits.

Question: Is this switch suitable for outdoor enclosures in extreme climates?

Answer: The unit is rated for -10 to 60 C; if your enclosure exceeds these limits or has high humidity, we recommend a Stratix 5700 series.

Question: How does the 1783-US8T handle auto-negotiation?

Answer: It automatically detects speed (10/100 Mbps) and duplex settings on all 8 ports, ensuring compatibility with older Ethernet hardware.

Selection and Purchasing Guide

• Verify that 8 ports are sufficient for your current and future localized nodes.
• Choose this unmanaged model only if you do NOT require VLANs or IGMP snooping.
• Confirm your cabinet temperature will not exceed 60 C during peak operation.
• This switch works with any standard Ethernet-IP device regardless of manufacturer.

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