Allen Bradley 1783-CMS20DB Managed Industrial Ethernet Switch

FAQ

Q1: What is the Allen-Bradley 1783-CMS20DB used for?
A: The 1783-CMS20DB is used to build managed industrial Ethernet networks that connect PLCs, HMIs, drives, remote I/O, and other EtherNet/IP devices while providing network diagnostics and redundancy.

Q2: How many Ethernet ports does the 1783-CMS20DB provide?
A: The switch offers 20 ports, including 18 × 10/100 Mbps RJ45 copper ports and 2 × 10/100/1000 Mbps RJ45/SFP combo Gigabit ports for flexible copper or fiber connectivity.

Q3: Does the 1783-CMS20DB support Device Level Ring (DLR)?
A: Yes. The switch includes integrated Device Level Ring (DLR) support, helping improve network availability by maintaining communication if a network path is interrupted.

Q4: What power supply is required for the 1783-CMS20DB?
A: The switch operates from a 12–48 VDC power source and supports redundant industrial power configurations for enhanced system reliability.

Q5: Can the 1783-CMS20DB be mounted on a DIN rail?
A: Yes. It is designed for DIN rail mounting, allowing fast installation inside industrial control panels and automation cabinets.

Q6: What are the dimensions and weight of the 1783-CMS20DB?
A: The approximate dimensions are 160 × 140 × 120 mm, and the approximate weight is 2.10 kg. Minor variations may occur depending on hardware revision and installed accessories.

Q7: Which communication protocols are supported by the 1783-CMS20DB?
A: The switch supports EtherNet/IP, DLR, VLAN, QoS, IGMP Snooping, SNMP, and other Layer 2 industrial networking features for efficient and reliable communication.

Q8: What should be checked before installing the 1783-CMS20DB?
A: Before installation, verify the DC input voltage, network design, grounding, Ethernet cable quality, SFP compatibility (if fiber is used), and environmental conditions. After installation, confirm port status, DLR operation, and communication with connected automation devices to ensure reliable network performance.

1783-CMS20DB Allen Bradley

We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.

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