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L2 managed industrial Ethernet fiber switch with 8*10/100M RJ45 ports and 2*10/100/1000M uplink RJ45 ports and 2*100/1000M uplink SFP ports (combo port). It can support dual DC power supply input and DIN rail mounting.



The DARWIN-S166IB120002M is a gigabit uplink L2 managed industrial Ethernet fiber switch independently developed.  It has 8*10/100Base-TX RJ45 ports and 2*100/1000Base-T(X) TP/SFP combo ports . Each port can support wire-speed forwarding.

The DARWIN-S166IB120002M series adopts a new generation of high-performance hardware and software platform to provide flexible and cost-effective 100M access and gigabit uplink ports. It can support security protection mechanism, ACL/QoS and VLAN functions for easy management and maintenance, and meets users' requirements for network devices. Easy to manage, high security, low-cost networking requirements. The industrial-grade series products are designed and used in accordance with industrial products. The aluminum alloy shell enhances heat dissipation and has excellent industrial field environment adaptability (including mechanical stability, climatic environment adaptability, electromagnetic environment adaptability, etc.), protection level IP40, support dual redundant power supply, low power consumption, fan-less cooling, MTBF mean trouble-free working time up to 35 years, 5 years warranty. It is suitable for industrial scenes such as intelligent transportation, rail transit, power industry, mining, petroleum, shipping, metallurgy and green energy construction to form a cost-effective, stable and reliable communication network.




10/100M access, Gigabit TP/SFP combo port uplink

◇ All series support “10/100M Ethernet port and Gigabit combo port”combination, which enables users to flexibly build networking to meet the needs of various scenarios.

◇ Support non-blocking wire-speed forwarding.

◇ Support full-duplex based on IEEE802.3x and half-duplex based on backpressure.



◇ 802.1X authentication.

◇ Port isolation,Storm control.

◇ IP-MAC-VLAN-Port binding.


Strong business processing capability

◇ IEEE802.1Q VLAN, flexible VLAN division and QinQ configuration.

◇ QoS, Priority mode based on 802.1P, Port & DSCP, queue scheduling algorithm including Equ, SP, WRR & SP+WRR.

◇ ALC, filter data packet through configuring matching rules, processing operation & time permission, and provide flexible and safe access control.

◇ IGMP V1/V2 and IGMP Snooping.


◇ Static and dynamic aggregation.


Stable and reliable

◇ Low power consumption, no fan , aluminum casing.


◇ The user-friendly panel, it can show the device status through the LED indicator of PWR, Link .


Easy operation and maintenance management

◇ Web management, CLI command line (Console, Telnet), SNMP (V1/V2/V3).

◇ HTTPS, SSLV3, and SSHV1/V2.

◇ RMON, system log, LLDP, and port traffic statistics.

◇ CPU monitoring, memory monitoring.





Interface Characteristics  
Fixed Port 8*10/100Base-TX RJ45 ports (Data)
  2*10/100/1000Base-T uplink RJ45 ports (Data)
  2*100/1000Base-X uplink SFP slot ports (combo ports) (Data)
  2 set of V+, V- redundant DC power interface (5P Phoenix terminal)
Ethernet Port Port 1-8 support 10/100Base-TX, Port 9-10 can support 10/100/1000BaseT(X) automatic detection, full / half duplex MDI/MDI-X adaptive
Twisted Pair Transmission 10BASE-T: Cat3,4,5 UTP(≤100 meter)
  100BASE-TX: Cat5 or later UTP(≤100 meter)
  1000BASE-T: Cat5e or later UTP(≤100 meter)
SFP Slot Port Gigabit SFP optical fiber interface, default matching optical modules (optional order single-mode / multi-mode, single fiber / dual fiber optical module. LC)
Optical Cable/ Dinstance Multi mode: 850nm / 0 ~ 500M
  single mode: 1310nm / 0 ~ 40KM, 1550nm / 0 ~ 120KM.
Chip Parameter  
Network Protocol IEEE802.3 10BASE-T, IEEE802.3i 10Base-T,
  IEEE802.3u 100Base-TX/FX,
  IEEE802.3ab 1000Base-T
  IEEE802.3z 1000Base-X
Forwarding Mode Store and Forward(Full Wire Speed)
Switching Capacity 64Gbps
Forwarding 4.17Mpps
Buffer Memory 4M
Jumbo Frame 10K
LED Indicator Power: PWR (green), network: Link, link/Act (yellow), Speed: Speed (green)
Reset Switch Yes, Press and hold the reset switch for 10s and release it to restore the factory settings
Working Voltage 12-48VDC; 5P industrial Phoenix terminal, support anti-reverse protection.
Power Consumption Standby<8W, Full load:<12W
Power Supply No, optional 24V/24W industrial power supply
Physical Parameter  
Operation TEMP / Humidity -40~+80°C;5%~90% RH Non condensing
Storage TEMP / Humidity -40~+85°C;5%~95% RH Non condensing
Dimension (L*W*H) 165*148*54mm
Net /Gross Weight <1.3kg / <1.8kg
Installation Desktop, DIN rail
Certification & Warranty  
Lightning protection / protection level Lightning protection: 6KV 8/20us; Protection level: IP40
  IEC61000-4-2(ESD):±8kV contact discharge,±15kV air discharge
  IEC61000-4-4(EFT): power cable:±4kV; data cable:±2kV
  IEC61000-4-5(Surge):power cable:CM±4kV/DM±2kV; data cable:±4kV
  IEC61000-4-6(radio frequency transmission):10V(150kHz~80MHz)
  IEC61000-4-8(power frequency magnetic field):100A/m;1000A/m ,1s to 3s
  IEC61000-4-9(pulsed magnet field):1000A/m
  IEC61000-4-10(damped oscillation):30A/m  1MHz
  IEC61000-4-12/18(shockwave):CM 2.5kV,DM 1kV
  IEC61000-4-16(common-mode transmission):30V; 300V,1s
  FCC Part 15/CISPR22(EN55022):Class A
  IEC61000-6-2(Common Industrial Standard)
Mechanical Properties IEC60068-2-6 (anti vibration)
  IEC60068-2-27 (anti shock)
  IEC60068-2-32 (free fall)
Certification CCC;CE mark, commercial; CE/LVD EN60950;FCC Part 15 Class B; RoHS;
Warranty 5 years , lifelong maintenance.
Network Management Features  
Interface IEEE802.3X (Full-duplex)
  Broadcast storm control based on port speed
  The speed limit of the message flow in the access port.
  The minimum particle size is 64Kbps.
VLAN QinQ configuration
  VLAN based on protocol
  4K VLAN based on port, IEEE802.1q
Port Aggregation LACP,Manual aggregation
  Max 5 aggregation groups and 8 ports per group.
Spanning Tree STP (IEEE802.1d),RSTP (IEEE802.1w),MSTP (IEEE802.1s)
Multicast MLD Snooping v1/v2,Multicast VLAN
  IGMP Snooping v1/v2/v3, Max 64 multicast groups, Fast log out
Port Mirroring Bidirectional data mirroring based on port
QoS Diff-Serv QoS
  Priority Mark/Remark
  8*Output queues of each port
  802.1p/DSCP priority mapping
  Queue Scheduling Algorithm (SP,WRR,SP+WRR)
ACL L2-L4 packet filtering, matching first 80 bytes message. Provide ACL based on MAC, Destination MAC, IP Source, Destination IP, IP Protocol Type, TCP/UDP Port, TCP/UDP Port Range and VLAN etc. Port-based Issuing ACL.
Security Port isolation
  Broadcast storm control
  Port+MAC binding, IP+MAC+port binding
DHCP DHCP Client,DHCP Snooping,DHCP Relay
System & Management NTP
  SNMP V1/V2C/V3
  One-key recovery
  Login Record
  Web Management (HTTPS)