



The Allen Bradley 1783-BMS20CL is a Stratix 5700 industrial managed Ethernet switch developed for advanced industrial communication networks and large-scale automation systems. Designed to support reliable EtherNet/IP traffic handling, this switch offers robust industrial performance, network resiliency, and secure device connectivity for modern manufacturing environments.
With twenty Ethernet ports and integrated Gigabit uplink functionality, the 1783-BMS20CL is an excellent solution for high-density industrial networking applications involving PLCs, HMIs, drives, remote I/O, industrial PCs, and smart factory infrastructure.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Catalog Number | 1783-BMS20CL |
| Module Type | Managed Industrial Ethernet Switch |
| Product Series | Stratix 5700 |
| Total Ethernet Ports | 20 ports |
| Fast Ethernet Ports | 16 × 10/100 Mbps RJ45 |
| Gigabit Uplink Ports | 4 × 10/100/1000 Mbps RJ45/SFP combo |
| Network Protocol | EtherNet/IP |
| Switch Type | Fully managed industrial switch |
| VLAN Support | Yes |
| QoS Support | Yes |
| Device Level Ring (DLR) | Supported |
| IGMP Snooping | Supported |
| NAT Capability | Supported |
| Input Voltage | 12–48V DC |
| Typical Power Consumption | ~19 W |
| Maximum Power Consumption | ~26 W |
| Alarm Relay | 1 A @ 30V DC |
| Mounting Type | DIN rail mounting |
| Protection Rating | IP30 |
| Housing Style | Industrial open-style enclosure |
| Operating Temperature | -40°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5–95% non-condensing |
| Weight | ~1.8 kg |
| Dimensions (L×W×H) | 152 mm × 112 mm × 140 mm |
Industrial Networking Overview
The 1783-BMS20CL is engineered to provide stable and scalable industrial Ethernet communication across complex automation infrastructures. It enables high-speed industrial traffic management while maintaining network reliability and security in demanding operational environments.
Core networking capabilities include:
- Managed EtherNet/IP communication
- High-density industrial device connectivity
- VLAN segmentation and traffic prioritization
- Device Level Ring (DLR) redundancy
- Gigabit backbone uplink communication
- Real-time industrial diagnostics and monitoring
Its scalable architecture makes it ideal for centralized control cabinets and large automation systems.
Recommended Related Models
| Model | Function |
|---|---|
| 1783-BMS10CGN | 10-port managed Ethernet switch |
| 1783-BMS06TL | Compact managed switch |
| 1783-US8T | Unmanaged industrial Ethernet switch |
| 1783-NATR | Industrial NAT router |
| 1756-EN2TR | ControlLogix EtherNet/IP bridge |
| 5069-AEN2TR | Compact I/O Ethernet adapter |
Popular Allen Bradley Industrial Network Models
| Model | Function |
|---|---|
| 1783-ETAP | EtherNet/IP tap module |
| 1783-CMS20DN | Advanced managed Ethernet switch |
| 1756-ENBT | EtherNet/IP communication bridge |
| 1734-AENTR | POINT I/O Ethernet adapter |
| 1769-L36ERM | CompactLogix controller |