DS409 is designed for industrial environments requiring high quality data transmission and time synchronization, such as industrial automation, road traffic control, etc. The switch provides 6-port Gigabit Ethernet and 3 uplink Gigabit combo ports. Full Gigabit capability and rugged industrial design ensures system high performance and reliability in harsh environments. For convenient traffic control and zero packet loss data transmission, DS409 offers contemporary management and security functions as well as ITU-T G.8032 v1/v2 ERPS redundancy.
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Full Gigabit Switching and Ultra High Throughput
・9-port Full Gigabit Ethernet, including 6 RJ45 ports and 3 SFP/RJ45 combo ports
・High flexibility of cable types and distances for system integrators
DDM function for high quality fiber connectivity monitoring
・8K MAC address table

・Stores and forwards with non-blocking switch fabric

Management Features
・Various configuration paths, including WebGUI, CLI, SNMP and RMON
・IEEE 1588v1 PTP time management
・LLDP topology control
・USB for easy field configuration and firmware update
・Software utility interface for LAN devices management
・NMS for individual component monitoring

ITU-T G.8032 v1/v2 ERPS Ring Redundancy
An ITU standard Ring redundancy Protocol
・Provides sub-50ms protection and recovery switching for Ethernet traffic
・Interoperates with 3rd party industrial switch and still remains fast recovery time
・Interoperates with commercial switch instead of STP/RSTP

Efficient network interconnection and topology with ERPS Chain, multiple chains 

Enhanced Cyber Security for Critical Applications
・802.1X/RADIUS port-based access control
・Port MAC secure learning

・Private VLAN/IP Security/Port Security
・HTTPs/SSH/ Management IP secure access

Rugged Design for Wayside Network Switching with Wide Power Input Range
・NEMA-TS2 compliance for wayside traffic control 
・10.5~60V wide power range design with redundant power input
・Excellent heat dissipation design for operating in -40°~75°C environments
・High level EMC protection exceeding traffic control and heavy industrial standards’ requirements
・IEC 61000-6-2/4 Heavy Industrial Environment
・EN50121-4 railway trackside EM

Standard IEEE 802.3 10Base-T Ethernet
IEEE 802.3u 100Base-TX Fast Ethernet 
IEEE 802.3u 100Base-FX Fast Ethernet Fiber
IEEE 802.3ab 1000Base-T Gigabit Ethernet copper
IEEE 802.3z Gigabit Ethernet Fiber
IEEE 802.3x Flow Control and back-pressure 
IEEE 802.1AB Link Layer Discovery Protocol(LLDP)  
IEEE 802.1p Class of Service (CoS) 
ITU-T G.8032 Ethernet ring protection switching(ERPS)
IEEE 802.1D-2004 Rapid Spanning Tree Protocol(RSTP) 
IEEE 802.1Q-2005 Multiple Spanning Tree Protocol(MSTP)
IEEE 802.3ad Link Aggregation Control Protocol(LACP)
IEEE 802.1xPort based Network Access Protocol
IEEE 1588Precision Time Protocol v1
Switch Technology Store and Forward Technology with Non-Blocking Switch Fabric 
Number of MAC Address 8K
Packet Buffer Memory  1M Bits
Transfer performance 10Base-T: 14,880pps, 100Base-TX/FX: 148,800pps, 1000Base-TX/FX: 1,488,100pps
VLAN ID 1~4094
Class of Service 4 Priority Queues per Port
Watchdog Hardware-based 10 seconds timer
Ethernet Port 6 x 10/100/1000Base-T RJ45, Auto Negotiation
3 x 100/1000M RJ45/SFP Combo, Auto Negotiation/DDM
System LED 1 x SYS: Ready: Green On, Firmware Updating: Green Blinking
2 x Power: Green On
1 x Ring: Off: Ring disabled, Green On: Ring normal (Not RPL Owner),Green Blinking: Ring normal (RPL Owner), Amber On: Ring abnormal, Amber Blinking:Ring port fail
1 x DI: Green On
1 x DO: 
Red On
Ethernet Port LED Link (Green On), Activity (Green Blinking), 
Speed 1000M(Amber On), Speed 100M(Green On)
SFP LED Port:Link (Green On), Activity (Green Blinking); 
1000M: Speed 1000M(Amber On), Speed 100M(Green On)
Rsest System Reboot(2-6 Seconds)/Default Settings Reset (over 7 Seconds)
Console 1 x RS232 for System Configuration. Baud Rate: 115200.n.8.1
USB 1 x USB for Configuration/Firmware Update
Power Input, Digital Intput, Digital Output 8-Pin Removable Terminal Block Connector
   4 Pin for Redundant Power 
   4 Pin for DI,DO( Relay Alarm)
Digital Output: Dry Relay Output with 0.5A /24V DC
Digital Input with Photo-Coupler Isolation
   Digital High: DC 11V~30V
   Digital Low: DC 0V~10V
 Power Requirement
Operating Voltage 12/24/48VDC(10~60VDC)
Reverse Polarity Protect Yes
Input Current 0.65A@24V
Power Consumption Max 15.6W@24VDC full traffic, suggest to reserve 15% tolerance
Management  Interface CGI, WebGUI, Command Line Interface (CLI), Telnet, SNMP
Time Management NTP,IEEE 1588 Precision Time Protocol v1
Network Management IPv4/IPv6, SNMP v1/v2/v3/Trap, MIBs, RMON, LLDP, DHCP
​server/client/Option 82, TFTP, System Log, SMTP
Traffic Management Flow Control, Port Trunk/802.3ad LACP, VLAN, Private VLAN, GVRP, GMRP, QinQ, Class of Service, Traffic Prioritize, IGMP Snooping v1/v2/v3, Rate Control, Port Mirror
Security IEEE 802.1X/RADIUS, Port MAC Sercure Learning, Management IP, Management VLAN, SSH, SSL
Redundancy Rapid Spanning Tree Protocol (RSTP)/Multiple Spanning Tree Protocol (MSTP)
ITU-T G.8032 v1/v2 Ethernet Ring Protection Switching (ERPS)
Installation DIN Rail
Enclosure Material Steel Metal with Aluminum
Dimension 103(W) x 160(H) x 125(D) mm / without DIN Rail Clip
Ingress Protection IP31
Weight 1.5KG(device) / 2.0KG(full package) 
Package 290(W) x 220(L) x 150(H)mm (package)
12pcs / carton 410(W) x 550(L) x 490(H)mm (1.5KG)
Operating Temperature & Humidity -40°C~75°C , 0%~95% Non-Condensing
Storage Temperature -40°C~85°C
Hi-Pot  AC1.5KV
MTBF >200,000 hours
Warranty 5 years
Safety IEC60950-1 Compliance
EMC EN61000-6-2/EN61000-6-4
EMI CISPR 22, FCC part 15B Class A
CE Declaration EN61000-4-2 ESD: 8KV(Air), 6KV(Contact) 
EN61000-4-3 RS: 20V/m(80M~1GHz), 10V/m(1.4G~2.1GHz), 5V/m(2.1G~2.5GHz)
EN61000-4-4 EFT: 2KV (Power, Signal Port, GND)
EN61000-4-5 Surge: Power 2KV/1KV(Line to Ground/Line to Line), Siganal Port: 2KV(Line to Ground)
EN61000-4-6 CS: 10 Vms(Power, Signal Port)
EN61000-4-8 Magnetic Field: 30A/m continues/300A for1~3s
Railway EN50121-4

Datasheet... QIG...
Ordering Information
 Model Name
DS409 Industrial 9G L2 Managed Ethernet Switch
Package List
1 x Product Unit (Without SFP Transceiver)
1 x 8-pin Removable Terminal Connector 
1 x Attached Din Clip
1 x Quick Installation Guide
Optional Accessory
MK-D1-2 Wall-mounting kit with 2 plates and 8 screws
Serial RS232 console cable RJ45 to DB9 Female 1.5 Meter
PSD40-24 40W/24VDC DIN-rail power supply
SFPGEM05 SFP, 1000Mbps, LC, multi, 550M, 0~70°C
SFPGEM05T SFP, 1000Mbps, LC, multi, 550M, -40~85°C
SFPGEM05D SFP, 1000Mbps, LC, multi, DDM, 550M, 0~70°C
SFPGEM05DT SFP, 1000Mbps, LC, multi, DDM, 550M, -40~85°C
SFPGEM2 SFP, 1000Mbps, LC, multi, 2KM, 0~70°C
SFPGEM2T SFP, 1000Mbps, LC, multi, 2KM, -40~85°C
SFPGEM2D SFP, 1000Mbps, LC, multi, DDM, 2KM, 0~70°C
SFPGEM2DT SFP, 1000Mbps, LC, multi, DDM, 2KM, -40~85°C
SFPGES10 SFP, 1000Mbps, LC, single, 10KM, 0~70°C
SFPGES10T SFP, 1000Mbps, LC, single, 10KM, -40~85°C
SFPGES10D SFP, 1000Mbps, LC, single, DDM, 10KM, 0~70°C
SFPGES30 SFP, 1000Mbps, LC, single, 30KM, 0~70°C
SFPGES30T SFP, 1000Mbps, LC, single, 30KM, -40~85°C
SFPGES30D SFP, 1000Mbps, LC, single, DDM, 30KM, 0~70°C
SFPXGM03D SFP+, 10Gbps, LC, multi, DDM, 300KM, 0~70°C
SFPXGS10D SFP+, 10Gbps, LC, single, DDM, 10KM, 0~70°C
SFPGES10-A SFP, 1000Mbps, LC, single, 10KM, BiDi TX-1310nm RX-1550nm, 0~70°C
SFPGES10-B SFP, 1000Mbps, LC, single, 10KM, BiDi TX-1550m RX-1310nm, 0~70°C
SFPGES10T-A SFP, 1000Mbps, LC, single, 10KM, BiDi TX-1310nm RX-1550nm, -40~85°C
SFPGES10T-B SFP, 1000Mbps, LC, single, 10KM, BiDi TX-1550m RX-1310nm, -40~85°C
SFPGES10D-A SFP, 1000Mbps, LC, single, DDM, 10KM, BiDi TX-1310nm RX-1550nm, 0~70°C
SFPGES10D-B SFP, 1000Mbps, LC, single, DDM, 10KM, BiDi TX-1550m RX-1310nm, 0~70°C
  • Full Gigabit support high speed communication with local network.

  • Up to 3 fiber ports for sensitive data communication and greater distance.

  • Supports the latest ITU-T G.8032 v1/v2 ERPS for network redundancy.

  • Full L2 Management with IEC62443 Cyber Security, level-up the network protection.

  • NEMA TS2 + EN50121-4, for high immunity to EMI/RFI.