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Unmanaged Industrial Ethernet Switch

Carat10-D7TX1SC20D3-D2

8 Port DIN-Rail Unmanaged Industrial Ethernet Switch

Features and Benefits
  • Gigabit Connectivity1 x 100M optical port, 7 x 10/100M adaptive electrical ports
  • Gigabit Connectivity18~36VDC wide voltage redundant power input
  • Relay AlarmRelay output alarm upon power failure
  • Relay AlarmHigh-strength aluminum sealed enclosure, shock and vibration resistant, robust and durable
  • DIP SwitchIndustrial fanless dust-proof design, stable and reliable, suitable for long-time operation
  • DIP SwitchCarat10-D7TX1SC20D3-D2 uses store-and-forward switching, provides 1 x 100M SC optical port, 7 x 10/100 Base-TX RJ45 ports.
Overview

Carat10-D7TX1SC20D3-D2 DIN-Rail Unmanaged Industrial Ethernet is designed for rail transit, specifically for rail transit, industrial automation network communication , compliant with EN 50121 industry standard, certified with CE, FCC, suitable for harsh working environments, providing reliable industrial network connectivity for various application sites.

Carat10-D7TX1SC20D3-D2 uses store-and-forward switching, provides 1 x 100M SC optical port, 7 x 10/100 Base-TX RJ45 ports.

Carat10-D7TX1SC20D3-D2features a high-strength metal enclosure that shields against electromagnetic interference and resists shock and vibration, the industrial fanless design eliminates failure points from fan malfunction, additionally, upon power failure, a built-in relay alarm notifies the network administrato ralarm , ensuring the product operates stably, reliably, and safely in harsh industrial environments.

Technical Parameters
Standard Compliance
Standards IEEE 802.3i(10Base-T)
IEEE 802.3u(100Base-TX)
Switch Properties
Switching Characteristics Store-and-forward
Switching Capacity 2Gbps
Packet Forwarding Rate 1.19Mpps
Cache Capacity 1Mbit
MAC Address Table 1K
Switching Latency <10μs
Port Performance
Electrical Port 7 x 10/100 Base-T(X) ports, RJ45, auto flow control, full/half duplex mode, MDI/MDI-X adaptive
Optical Port 1 x 100M optical port, SC, single-mode dual fiber, 1310nm, 20km
LED Indicators Power (P1, P2), Port (Link/ACT, 10/100M)
Mechanical
Dimensions 53mm x 108mm x 135mm (W x D x H)
Weight 680g
Mounting DIN-Rail, optional wall-mount
Other IP40 protection, corrugated high-strength aluminum enclosure
Electrical Performance
Input Voltage 24VDC (18 ~ 36VDC) redundant power input, overload and reverse polarity protection, 6-pin 5.08mm pitch terminal block (relay occupies 2 pins)
Alarm Port 1-channel relay alarm output, terminal block
Wattage <5W
Working Environment
Operating Temperature -40℃ ~ 75℃
Storage Temperature -40℃ ~ 85℃
Relative Humidity 5% to 95% (non-condensing)
Standards and Certifications
System Certification ISO9001, ISO14001, ISO22163 (IRIS)
Standards Certifications CE,FCC
Safety Compliant with EN60950
EMC
EMI FCC CFR47 Part 15B Class A, CE EN55032 Class A
EMS ESD EN61000-4-2
Radiated RF Electromagnetic Field Immunity (RS) EN61000-4-3
Electrical Fast Transient/Burst Immunity (EFT) EN61000-4-4
Surge Immunity EN61000-4-5
Conducted Disturbances Induced by RF Fields (CS) EN61000-4-6
Power Frequency Magnetic Field Immunity (PFMF) EN61000-4-8
Vibration Compliant with IEC 60068-2-6
Shock Compliant with IEC 60068-2-27
Free Fall Compliant with IEC 60068-2-32
MTBF MTBF > 500,000 hours
Resources
Name Version Release Date Download
Datasheet for Carat10-D7TX1SC20D3-D2 398.0 KB
V1.0 Aug 25, 2026
Ordering Information
ModelDescription
Carat10-D7TX1SC20D3-D2 DIN-Rail unmanaged industrial Ethernet switch, 7 x 10/100Base-T(X) ports, 1 x 100M optical port (SC single-mode dual fiber, 1310nm, 20km), 18~36VDC redundant power input, IP40 protection
Carat10 Series Selection Guide DIN-Rail unmanaged industrial Ethernet switch, 7 x 10/100Base-T(X) ports, 1 x 100M optical port (SC single-mode dual fiber, 1310nm, 20km), 18~36VDC redundant power input, IP40 protection
Carat10-D8TX-D2 DIN-Rail unmanaged industrial Ethernet switch, 8 x 10/100Base-T(X) ports, 18~36VDC redundant power input, IP40 protection
Carat10-D6TX2SC02D3-D2 DIN-Rail unmanaged industrial Ethernet switch, 6 x 10/100Base-T(X) ports, 2 x 100M optical ports (SC multi-mode dual fiber, 1310nm, 2km), 18~36VDC redundant power input, IP40 protection
Carat10-D6TX2SC20D3-D2 DIN-Rail unmanaged industrial Ethernet switch, 6 x 10/100Base-T(X) ports, 2 x 100M optical ports (SC single-mode dual fiber, 1310nm, 20km), 18~36VDC redundant power input, IP40 protection

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