Trusted in Industrial Communication for 20+ YearsIndustrial networking products for harsh, mission-critical environments
Managed Industrial Ethernet Switch

Carat55-D2GF8GT-D3

10-Port DIN-Rail Layer 2 Industrial Ethernet Switch

Features and Benefits
  • Gigabit Connectivity2 x gigabit SFP slots, 8 x 10/100/1000Base-T(X) ports
  • Gigabit ConnectivitySupports 18~72VDC redundant power input with relay alarm output
  • Relay Alarmhigh-strength aluminum alloy sealed housing structure shock resistant vibration,rugged and durable
  • Relay Alarmindustrial fanless dust-proof design stable and reliable,suitable for long-term operation Supports
  • DIP SwitchAutoSniffer device management software for intelligent industrial network management
Overview

Carat55-D2GF8GT-D3 managed DIN-Rail Layer 2 industrial Ethernet switch is designed for network communication in industrial fields such as smart city, new energy, intelligent transportation and industrial automation. It is suitable for industrial field environments with stringent requirements, providing highly reliable industrial network connection solutions for various industrial application sites.

Carat55-D2GF8GT-D3 adopts store-and-forward Switching Characteristics,providing 8x10/100/1000Base-T(X) RJ45 ports and 2 x gigabit SFP slots.

Carat55-D2GF8GT-D3 Supports CLI, Telnet, SNMP, SSH, and Web-based network management; supports Layer 2 switching features including VLAN, IGMP Snooping, LACP, QoS.

Technical Parameters
Standards Compliance
Standard IEEE 802.3i(10Base-T)
IEEE 802.3u(100Base-TX)
IEEE 802.3ab(1000Base-T)
IEEE 802.3z(1000Base-SX/LX)
IEEE 802.3ad (Link Aggregation)
IEEE 802.3x (Flow Control)
IEEE 802.1p (Priority)
IEEE 802.1Q(VLAN)
IEEE 802.1d(STP)
IEEE 802.1w(RSTP)
Switching Properties
Switching Characteristics Store and Forward
Switching Capacity 20Gbps
Packet Forwarding Rate 14.88Mpps
Cache Capacity 4.1Mbit
MAC Address Table 8K
Switching delay <10μs
Port Performance
Electrical Ports 8 x 10/100/1000Base-T(X) ports, auto flow control, full/half duplex mode, MDI/MDI-X adaptive
Optical Port 2 x gigabit SFP slots, LC
Management Port 1 x Console port (RS-232), RJ45
LED Indicators System (SYS), Power (P1, P2), Port (Link/ACT)
Key Features
VLAN Supports IEEE 802.1Q VLAN
Reliability Supports STP, RSTP, MSTP, MRP
Supports LACP load balancing
Supports G.8032 ERPS ring protocol
Supports loopback detection
Security Supports port rate limiting
Storm control (bps and pps)
Multicast Supports IGMP v1 / v2 snooping, IGMP Fast Leave
QoS Supports ACL-based flow, VLAN ID, CoS, DSCP
Supports DSCP, CoS / 802.1p priority,
8 queues per port
Supports SP, WRR queue scheduling
ACL Supports IP ACL based on source/destination IP, IP protocol type, IP
precedence, TCP/UDP port numbers
Supports MAC ACL based on source/destination MAC, VLAN ID, CoS
Supports IP+MAC combined ACL
Management Supports CLI
Supports IPv4 HTTP
Supports IPv4 FTP/TFTP
Supports IPv4 SNTP/NTP
Supports IPv4 SSH
Supports IPv4 syslog
Supports SNMPv1 / v2c/v3
Supports MIB interface, Trap
Supports dual image
Supports LLDP
Mechanical
Dimensions 61mm x 120mm x 147mm (W x D x H)
Weight 900g
Mounting DIN-Rail, optional wall-mount
Other IP40 protection, corrugated high-strength aluminum enclosure
Electrical
Input Voltage 24VDC (18 ~ 72VDC) 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 <6.5W
Environmental
Operating Temperature -40℃ ~ 75℃
Storage Temperature -40℃ ~ 85℃
Relative Humidity 5% ~ 95% (non-condensing)
Certifications
System Certification ISO9001, ISO14001, ISO22163(IRIS)
Product Certification CE, FCC, Telecom Equipment Network Access License
Safety Compliant with EN60950, UL508
EMC
EMI FCC CFR47 Part 15B Class A, CE EN55032 Class A
EMS ESD EN61000-4-2
RS EN61000-4-3
EFT EN61000-4-4
Surge EN61000-4-5
CS EN61000-4-6
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 Carat55-D2GF8GT-D3 229.6 KB
V1.0 Aug 25, 2026
Ordering Information
ModelDescription
Carat55-D2GF8GT-D3 DIN-Rail Layer 2 Industrial Ethernet Switch,2 gigabit SFP slots, 4 10/100/1000Base-T(X) ports,18-72VDCredundantpower input, protectionIP40
Carat55-D2GF4GT-D3 DIN-Rail Layer 2 industrial Ethernet switch, 2 gigabit SFP slots, 4 10/100/1000Base-T(X) ports, 18-72VDC redundant power input, IP40 protection

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