(English) IT-SDS-304-T-4DI (RS-485)

(English) IT-SDS-304-T-4DI (RS-485)

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4 Ports RS-485/422 to Ethernet Serial Server

IT-SDS-304-T-4DI (RS-485) is an high performance, industrial grade serial to Ethernet server, it can satisfy some kinds of customer requirements in consumption, temperature, volume and handle ability. It provides 4 ports RS-485/422 (RS-485/422 connector: 5 bit terminal block) and 1 port 10/100Base-Tx Ethernet, can focus manage disperse serial device, master through network, easy, convenience. In application, can configure, upgrade through WEB.

Moreover, IT-SDS-304-T-4DI (RS-485) provide strong function configuration tools based in Windows platform, it can guide user configure the device step by step, all configurations are coming true by WEB or Telnet, support cross-gateway and cross-router, user can flexible configure IP address, server and client mode, data bag size etc.

IT-SDS-304-T-4DI (RS-485) adopts EMC protection design, can work in rugged environment.


Ci spiace, ma questo articolo è disponibile soltanto in English. Per ragioni di convenienza del visitatore, il contenuto è mostrato sotto nella lingua alternativa. Puoi cliccare sul link per cambiare la lingua attiva.



  • Support 10/100M Ethernet
  • Support 4 Ports RS-485/422
  • Support WEB and Telnet configuration
  • Support TCP, UDP, ARP, ICMP, DHCP and DNS protocol
  • Support TCP Server, TCP Client, TCP Auto, UDP and Real COM driver working mode
  • Support UDP multicast and UDP subnet mode
  • Support heartbeat time and time over disconnect function
  • Support cross-gateway and cross-router communication
  • Support virtual serial COM port access and Network interruption automatic recovery
  • Provide Windows configuration tools for easy to use, easy to bath install
  • Industrial grade design, IP30 protection grade
  • No fan, low consumption design
  • Working temperature: -40~85℃




Ethernet ports
Standard: 10Base-T, 100Base-TX
Protocol: Support TCP, UDP, APR, ICMP and DHCP
Signal: Rx+, Rx-, Tx+, Tx-
Speed: 10/100Mbps
Working: Full-duplex and half duplex
Working mode: Support TCP Server and Client
Transfer distance: 100m
Connector: RJ45

RS-485/422 ports
RS-485/422 port number: 4
RS-422 signal: T+(A), T-(B), R+(A), R-(B)
RS-485 signal: D+(A), D-(B)
Parity bit: None, Even, Odd, Space, Mark
Data bit; 5bit, 6bit, 7bit, 8bit
Stop bit: 1 bit, 2 bit
Band rate: 300bps~115200bps
Loading: support 32 nodes loop back
Transfer distance: 1200m
Connector: 4-bit terminal block
Protection: class 3 static, 1.5KVAC isolation
LED Indicators
Working statue indicator: RUN
Power (PWR)
Ethernet port connection statue (Link)
RS-485/422 port transmit data indicator: TX1~TX4
RS-485/422 port receive data indicator: RX1~RX4
Power requirements
Input voltage: 9~48VDC
No-load consumption: 1.35W@12VDC
Full-load consumption: 1.44W@12VDC
Environment limits
Working temperature: -40~85℃
Storage temperature: -40~85℃
Relative humidity: 5%~95%(non-condensing)
Shell: IP30 protection, metal shell
Installation: Wall mounting
Weight: 450g
Size (L×W×H): 160mm×95.5mm×28mm
EMI: EN 55022 Class A, FCC Part 15 Subpart B Class A
EMS: EN 55024, EN 61000-4-2 (ESD) Level 3, EN 61000-4-3 (RS) Level 3, EN 61000-4-4 (EFT) Level 4, EN 61000-4-5 (Surge) Level 3, EN 61000-4-6 (CS) Level 3, EN 61000-4-8, EN 61000-4-11
Shock: IEC 60068-2-27
Free fall: IEC 60068-2-32
Vibration: IEC 60068-2-6
Warranty time: 5 years
CE, FCC, RoHS, UL508 (pending)
Ordering Informations

IT-SDS-304-T-4DI (RS-485)                4-ports RS-485/422 to Ethernet (10M/100M), DC9~48V, wall mounting

Packing List
1. IT-SDS-304-T-4DI (RS-485)×1
2. User manual ×1
3. Straight network cable ×1
4. Power adapter ×1
5. CD × 1
6. Warranty card ×1
7. Certificate of quality×1
Optional accessories

DIN-Rail Mounting Kit (35mm) ×1

Datasheet Prodotto

Manuale Famiglia Prodotti

Cristian is a brilliant intelligent and great proactivity person and an effective communicator and visionary. He has built a strong (and deserved) reputation as someone with vision, diligence and honor. Cristian is not a simple engineer but he is a real Scientist. His knowledge is not restricted to the area it covers, but its impressive passion for all the technical topics led him to acquire great skills even in areas far from his original studies. Cristian is able to address and solve complex technical problems with excellent results. He is a valuable writer with great scientific background formed with more that 15 years of active research on experimental Nuclear Physics performed in the most famous international research laboratories such as CERN, ESRN, INF. He write about HI-Tech solutions topics and advanced research study applied to industry. He have more than 150 scientific & technical publications. He is also a technical and famous writer in Italy due to his interviews released on the most famous Industrial Italian magazine.

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