(English) IT-SDS-304-T-4D (RS-232)


4 Ports RS-232 to Ethernet Serial Server

IT-SDS-304-T-4D (RS-232) 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 RS232 (RS-232 connector: RJ45) 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-4D (RS-232) 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-4D (RS-232) adopts EMC protection design, can work in rugged environment.


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  • Support 10/100M Ethernet
  • Support 4 Ports RS-232
  • 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

RS232 ports
RS232 port number: 4
RS-232 signal: DCD, RXD, TXD, DTR, GND, DSR, RTS, CTS
Parity bit: None, Even, Odd, Space, Mark
Data bit: 5bit, 6bit, 7bit, 8bit
Stop bit: 1bit, 2bit
Band rate: 300bps~115200bps
Loading: point to point
Transfer distance: no more than 15m
Connector: RJ45
Protection: class 4 static
LED Indicators
Working statue indicator: RUN
Power (PWR)
Ethernet port connection statue (Link)
RS232 port transmit data indicator: TX1~TX4
RS232 port receive data indicator: RX1~RX4
Power requirements
Input voltage: 9~48VDC
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: 460g
Size (L×W×H): 160mm×95.5mm×28mm
EMI: EN 55022 Class A, FCC Part 15 Subpart B Class A
EMS: EN 61000-4-2 (ESD) Level 3,
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-4D (RS-232)                4-ports RS232 to Ethernet (10M/100M), DC9~48V, wall mounting

Packing List

  1. IT-SDS-304-T-4D (RS-232)×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

Intellisystem Technologies