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

Carat55-D4GF8GP-DP

12-Port DIN-Rail Layer 2 Industrial Ethernet Switch

Features and Benefits
  • Gigabit Connectivity4 x 100/1000M SFP slots,8 x 10/100/1000 Base-T(X) Ports (RJ45 Connector)
  • Gigabit ConnectivityElectrical ports support IEEE 802.3at standard (PoE+)
  • Relay AlarmHigh-strength aluminum alloy sealed enclosure resists shock and vibration, rugged and durable
  • Relay AlarmIndustrial fanless dustproof design, stable and reliable, suitable for long-term operation
  • DIP SwitchSupports AutoSniffer device management software for intelligent industrial network management
Overview

Carat55-D4GF8GP-DP 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 complies with industry standards such as EN60950 and EN50032, and has obtained CE, FCC, and other certifications. It is suitable for industrial field environments with stringent requirements, providing highly reliable industrial network connectivity solutions for various industrial applications.

Carat55-D4GF8GP-DP adopts store-and-forward switching, providing 8 x 10/100/1000 Base-TX RJ45 ports (all electrical ports support up to 30W PoE+ power supply, IEEE 802.3at standard) and 4 x 100/1000M SFP optical slots.

Carat55-D4GF8GP-DP supports network management functions based on CLI, Telnet, SNMP, SSH, and Web interface, and supports Layer 2 switching functions such as VLAN, IGMP Snooping, LACP, and QoS.

Technical Parameters
Standards Compliance
StandardIEEE 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)
IEEE 802.3af (PoE)
IEEE 802.3at (PoE+)
Switch Properties
Switching CharacteristicsStore and Forward
Switching Capacity56Gbps
Packet Forwarding Rate17.86Mpps
Cache Capacity12Mbit
MAC Address Table16K
Switching delay<10μs
Port Performance
Electrical Port8 x 10/100/1000Base-TX ports, auto flow control, full/half duplex mode, MDI/MDI-X auto-detection, all electrical ports support up to 30W PoE+ power supply (IEEE 802.3at standard)
Optical Port4 x 100/1000M SFP optical slots, LC
Management Port1 x Console management port (RS-232), RJ45
LED IndicatorsSystem indicator (SYS), power indicators (P1, P2), port indicators (Link/ACT)
Main Features
VLAN FeaturesSupports IEEE 802.1Q VLAN
ReliabilitySupports STP, RSTP, MSTP, MRP
Supports LACP load balancing
Supports G.8032 standard ring protocol (ERPS)
Supports loopback detection
SecuritySupports port rate limiting
Supports bps- and pps-based storm control
MulticastSupports IGMP v1 / v2 snooping and IGMP fast leave
QoSSupports classification based on ACL flow, VLAN ID, COS, DSCP
Supports DSCP, COS / 802.1p priority,
Supports 8 queues per port
Supports SP and WRR queue scheduling algorithms
ACLSupports IP ACL, matching by source/destination IP, IP protocol type, IP priority, TCP/UDP source and destination
port numbers and other fields
Supports MAC ACL, matching packets by source/destination MAC, VLAN ID, COS and other fields
Supports combined IP+MAC ACL
Management & MaintenanceSupports CLI
Supports IPv4 HTTP
Supports IPv4 FTP/TFTP
Supports IPv4 SNTP/NTP
Supports IPv4 SSH
Supports IPv4 syslog
Supports SNMP v1 / v2c/v3
Supports MIB interface and Trap
Supports dual image (IMG)
Supports LLDP
Mechanical
Dimensions77mm × 140mm × 187mm (W × D × H)
Weight1.58kg
MountingDIN-Rail, optional wall-mount
OthersIP40 protection, corrugated high-strength aluminum enclosure
Electrical
Input Voltage48VDC (44-57V) redundant power input, supports overload and reverse polarity protection, 6-pin 5.08mm pitch terminal block (relay occupies 2 positions)
Alarm PortSupports 1 relay alarm output, terminal block
WattageNon-PoE<23W
PoE: each electrical port supports up to 30W PoE+ power supply (IEEE 802.3at standard)
Working Environment
Operating Temperature-40℃ ~ 75℃
Storage Temperature-40℃ ~ 85℃
Relative Humidity5% ~ 95% (non-condensing)
Standards and Certifications
System CertificationISO9001, ISO14001, ISO22163 (IRIS)
Standard CertificationCE, FCC, Network Access License for Telecom Equipment
SafetyComplies with EN60950
EMC
EMIFCC CFR47 Part 15B Class A, CE EN55032 Class A
EMSESDEN61000-4-2
RSEN61000-4-3
EFTEN61000-4-4
SurgeEN61000-4-5
CSEN61000-4-6
PFMFEN61000-4-8
VibrationComplies with IEC 60068-2-6
ShockComplies with IEC 60068-2-27
Free FallComplies with IEC 60068-2-32
MTBFMTBF greater than 500,000 hours
Resources
Name Version Release Date Download
Datasheet for Carat55-D4GF8GP-DP 229.9 KB
V1.0 Aug 25, 2026
Ordering Information
ModelDescription
Carat55-D4GF8GP-DP DIN-Rail Layer 2 Industrial Ethernet Switch, 4 x 100/1000M SFP optical slots, 8 x 10/100/1000 Base-T(X) PoE+ Ports (RJ45 Connector), 48VDC redundant power input, IP40 protection
Carat55-D4GF8GT-D3 DIN-Rail Layer 2 Industrial Ethernet Switch, 4 x 100/1000M SFP optical slots, 8 x 10/100/1000 Base-T(X) Ports (RJ45 Connector), 18-72VDC redundant power input, IP40 protection
Carat55-D4GF16GT-D3 DIN-Rail Layer 2 Industrial Ethernet Switch, 4 x 100/1000M SFP optical slots, 16 x 10/100/1000 Base-T(X) Ports (RJ45 Connector), 18-72VDC redundant power input, IP40 protection
Carat55-D4GF16GP-DP DIN-Rail Layer 2 Industrial Ethernet Switch, 4 x 100/1000M SFP optical slots, 16 x 10/100/1000 Base-T(X) PoE+ Ports (RJ45 Connector), 48VDC redundant power input, IP40 protection

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