Multiple Serial Devices
Two field devices need independent serial settings while sharing a practical Ethernet edge connection.
CONNECTION NEED
Connect Serial Devices to Industrial Ethernet Networks
Bring RS232, RS485 and RS422 field equipment onto IP networks for centralized monitoring and remote access.
Build a documented serial-to-Ethernet path with independent serial channels, the correct TCP or UDP role and verified protocol-conversion requirements.
Since 2006OEM/ODM SupportGlobal B2B Service
FIELD TO NETWORK
Network Mode Selection
TCP Server, TCP Client and UDP modes create different connection ownership and delivery behavior.
Protocol Boundaries
Transparent serial transport and Modbus protocol conversion must be selected and configured as different roles.
Industrial Deployment
Power, grounding, protection, temperature and network-security requirements shape the final product choice.
SOLUTION ARCHITECTURE
A Clear Path from Field Device to Operational Data
Use the interface and network constraint to define each connection layer before selecting a model.
Serial Devices
Meters · PLCs · Controllers
RS232RS485RS422
Serial Channels
Interface · Framing · Protocol
Serial
DTECH Device Server
Transparent transport or gateway
TCPUDPModbus
SCADA / Host
Ethernet monitoring and control
Ethernet
RECOMMENDED PRODUCTS
Verified DTECH Products for This Solution
Only products with confirmed data and active detail pages are presented.
Serial Device Servers
IOT9031BD
Connects one RS422 or RS485 field interface to Ethernet with DIN-rail mounting and verified DC 9–40V or PoE power options.
- RS422 / RS485 to Ethernet
- 300–921600 bps
Serial Device Servers
IOT9063
Connects two independent RS232 or RS485 channels to one 10/100M Ethernet uplink.
- Two independent RS232 / RS485 channels
- 10/100M Ethernet with TCP/IP modes
Serial Device Servers
IOT9031A
Connects RS232, RS485 or RS422 equipment to Ethernet when multi-standard interface flexibility is required.
- RS232 / RS485 / RS422 connectivity
- 10/100M Ethernet
Serial Device Servers
IOT9031B (2nd)
Bridges RS422/RS485 field data to Ethernet for centralized monitoring.
- RS422 / RS485 serial interface
- 10/100M Ethernet
APPLICATION SCENARIOS
Designed Around Real Project Conditions
Start with the operating environment, installed interfaces and required communication path.
APPLICATION
Two-Device Cabinet Integration
Connect two nearby RS232 or RS485 devices through independent channels and one Ethernet uplink.
Discuss This Application
APPLICATION
Building Management
Bring controller and meter data to an IP-based management system.
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Remote Operations
Access compatible serial equipment from a documented host application over the site network.
Discuss This ApplicationCUSTOMER VALUE
Build a More Predictable Connectivity Project
Turn interface choices into measurable project outcomes and a clearer delivery plan.
Simplified Integration
Connect existing field equipment to modern monitoring networks without replacing proven devices.
Reliable Communication
Create a clearer, protected data path across demanding industrial environments.
Lower Deployment Risk
Select verified product roles around the interface, distance and installation constraints.
Flexible Expansion
Add endpoints and network segments without redesigning the entire system.
Faster Project Delivery
Use repeatable architectures to accelerate product selection and commissioning.
Engineering Support
Share project requirements with DTECH for model confirmation and connection guidance.
ENGINEERING RESOURCES
View Technical Blog Continue Your Product Evaluation
01020304
How to Power an RS485 Serial Server with PoE
Compare standards-based PoE, non-standard powering and local DC before commissioning a DIN-rail serial-to-Ethernet link.
Connect Two Serial Devices to Ethernet
Plan independent serial channels, select TCP or UDP roles and compare dual-port with single-port architectures.
Serial Device Server vs Modbus Gateway
Separate transparent serial transport, electrical interface conversion and application-protocol conversion.
Serial Device Servers
Browse verified DTECH serial-to-Ethernet products by interface, channel count and installation requirement.
REQUEST A SOLUTION
Need the Right Connectivity Architecture for Your Project?
Share your interfaces, communication distance, network type and installation environment. DTECH will help confirm the product roles and next selection step.
Serial interfaceNumber of devicesCommunication distanceNetwork typePower inputInstallation environment
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