Two-Branch Network Expansion
Extend and divide RS485 networks for larger device counts and longer field layouts.
DT-9022
Industrial 2-Port RS485 Hub
Segment and extend RS422/RS485 networks with two protected branches and industrial isolation.
Build more resilient serial networks with adaptive RS422/RS485 distribution, surge protection and a wide DC power input.
Hover to zoomDTECH DT-9022 industrial 2-port RS485 hub front view
Serial InterfacesRS422 / RS485Copper terminal connectors
Data Rate300–115200 bpsAdaptive serial communication
Isolation2500VrmsIndustrial network protection
Transmission DistanceUp to 5 kmCable and environment dependent
Power InputDC 9–40VWide-range input
Product Overview
A practical path for bringing installed serial equipment into modern industrial data networks.
The DT-9022 is an industrial two-port adaptive RS485 relay hub for extending transmission distance and dividing larger serial networks into protected branches.
It supports RS422 and RS485 terminal connections, asynchronous half- or full-duplex communication, and line protection intended for demanding automation and infrastructure installations.
2protected branches
Divide a serial bus into manageable network segments.
2500Vrmsisolation voltage
Helps separate field-side electrical disturbances.
600Wsurge protection
Protection is specified on both ends of each line.
-40°C to 85°Coperating range
Suitable for demanding industrial environments.
Key Features
Core capabilities selected for reliable integration, flexible deployment and efficient maintenance.
RS422 and RS485 Support
Terminal connections support EIA/TIA RS422 and RS485 interfaces.
Industrial Isolation
2500Vrms isolation helps protect connected serial equipment.
Surge and ESD Protection
Each line is specified with 600W surge protection and ±15kV ESD protection.
Wide DC Input
DC 9–40V input supports integration into industrial power systems.
Communication Indicators
Power, transmit and receive indicators support commissioning and diagnostics.
Industrial Applications
Explore practical deployment scenarios for this DTECH industrial connectivity product.
Factory Automation
Segment RS485 equipment networks across machines and production areas.
Energy Data Acquisition
Extend meter and controller links across distributed monitoring points.
Transportation Systems
Improve serial network reach and fault separation in roadside installations.
System / Network Architecture
See how this product fits into an industrial serial communication network.
Main RS422/RS485 BusController, gateway or upstream serial network
Serial data
Protected branches
Two RS485 BranchesDistributed meters, controllers and field devices
Technical Specifications
Verified configuration details for engineering review and product selection.
Communication
- Interface standards
- EIA/TIA RS485 and RS422
- Electrical connection
- RS422 / RS485 copper terminal connectors
- Operating mode
- Asynchronous half-duplex or asynchronous full-duplex
- Data rate
- 300–115200 bps
- Transmission medium
- Twisted-pair or shielded cable
- Transmission distance
- 0–5000 m, dependent on data rate, cable diameter, load and environment
Protection and Power
- Isolation voltage
- 2500Vrms
- Line surge protection
- 600W on both ends of each line
- ESD protection
- ±15kV
- Power input
- DC 9–40V
- Indicators
- Power, transmit and receive
Mechanical and Environmental
- Dimensions
- 120 × 80 × 25 mm
- Operating temperature
- -40°C to 85°C
- Relative humidity
- 5% to 95%
Related Products
Explore complementary DTECH connectivity products for adjacent signal paths and network requirements.
Frequently Asked Questions
Verified answers for product selection and project planning.
Which serial interfaces does the DT-9022 support?
The source specification lists EIA/TIA RS422 and RS485 interfaces with copper terminal connections.
What data rate does the DT-9022 support?
The specified communication range is 300 to 115200 bps.
How far can the DT-9022 transmit serial data?
The source lists a maximum distance of 5 km. Actual distance depends on baud rate, cable diameter, connected load and the installation environment.
What power input is required?
The DT-9022 accepts a DC 9–40V input.
Need Help Selecting the Right Product?
Share your device interfaces, network environment and project requirements with the DTECH industrial communication team.