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USR-SDR021

Product catalog summary

Overview
This document provides technical specifications for the USR-SDR021 Industrial Ethernet Switch. The device features a fanless, low power consumption design, making it convenient, compact, and easy to maintain. It adheres to Ethernet standards and includes lightning and anti-static protection. The switch operates reliably across a wide temperature range of -40℃ to 85℃, suitable for various data transmission applications in sectors like transportation, telecommunications, and energy.

Size and Appearance
The switch measures 143x104x48mm and is constructed from aluminum alloy, weighing 0.52kg. It is designed for DIN rail installation.

Parameters

Model: USR-SDR021
Interface: Phoenix terminal power interface with redundant dual power supply; 10/100 Base-T network interface
Ethernet Ports: 2*10/100M, 1*100 Base-FX
LED Indicators: PWR, Link/ACT
Cable Types: Twisted-pair (100m), Monomode optical fiber (up to 100KM), Multimode optical fiber (550m)
Electrical Specifications: Input voltage DC 10-58V, Power consumption <5W (normal), <65W (POE)
Network Topology Support: Star, Bus, Tree
MAC Address Table: 1K
Buffer: 512K
Forwarding Delay: <3us
MDX/MIDX Support: Yes
Flow Control Support: Yes
Jumbo Frame: 2048 bytes
Switching Capacity: 1G
Packet Forwarding Rate: 0.744Mpps

EMC & Ingress Protection

IP Level: IP40
Power Surge Protection: IEC 61000-4-5 Level 3 (4KV/2KV)
Ethernet Port Surge Protection: IEC 61000-4-5 Level 3 (4KV/2KV)
EMI: CLASS A
ESD: IEC 61000-4-2 Level 4 (8K/15K)
Free Fall: 0.5m

Environment

Operating Temperature: -40℃ to +85℃
Storage Temperature: -40℃ to +85℃
Relative Humidity: 5% to 95% (non-condensing)
MTBF: 100,000 hours

Catalog excerpts

Industrial Ethernet Switches Technical support:h.usriot.com Fiber Network Switches | Industrial Grade Switches Jinan USR IOT Technology Limited

Open the catalog to page 1

Industrial Ethernet Switches Technical support:h.usriot.com 1. Overview This device uses fanless, low power consumption design, has the advantages of convenient use, small size, simple maintenance and so on. The design of the product conforms to the Ethernet standard, with lightning protection and anti-static protection measures, and a wide range of operating temperature of -40℃ ~ 85℃. Its performance is stable and reliable, which can be widely used in various broadband data transmission fields such as intelligent transportation, telecommunications, security, financial securities, customs, shipping,...

Open the catalog to page 2

Industrial Ethernet Switches Technical support:h.usriot.com USR-SDR021 Power interface Ethernet port number Phoenix terminal, redundant dual power supply Network interface LED indicators Cable type Monomode optical fiber Multimode (optical) fiber Input voltage Electrical specifications Power consumption Network Topology Star topology Tree Topology Forwarding delay Jumbo frame Packet forwarding rate Power surge protection Flow control Switching capacity IP level Ethernet port surge protection EMC&Ingress protection Operating temperature Free fall Storage temperature Jinan USR IOT Technology Limited...

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Industrial Ethernet Switches MTBF Mechanical structure Technical support:h.usriot.com Relative humidity Shell material Aluminium alloy Installation method Jinan USR IOT Technology Limited

Open the catalog to page 4

USR-SDR021

USR-SDR021

Catalog excerpts

All Jinan USR IOT Technology Limited catalogs and technical brochures