Product Selection
When Should You Use an Unmanaged Industrial Ethernet Switch?
Use unmanaged switching for a small, loop-free Ethernet edge after verifying port count, traffic, cabinet power and environment, and management requirements.
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When Should You Use an Unmanaged Industrial Ethernet Switch?
Use unmanaged switching for a small, loop-free Ethernet edge after verifying port count, traffic, cabinet power and environment, and management requirements.
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Industrial Connectivity Insights
Practical articles, technical guidance and application insights for serial communication, wireless connectivity and industrial networking.
Wireless Communication
How Do You Add Bluetooth to an RS232 or RS485 Device?
Add Bluetooth to serial equipment with a matched adapter at each endpoint, then verify interface wiring, operating mode, serial framing and application behavior.
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Application Notes
When Should You Use an RS232 Isolator?
Use an RS232 isolator when compatible point-to-point devices need a defined electrical boundary, then verify pinout, signals, baud rate, distance and power.
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Industrial Networking
How Do You Power an RS485 Serial Server with PoE?
Choose PoE for an RS485 serial server only after matching the exact power method, sourcing equipment, cable path and serial-to-Ethernet requirements.
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Wireless Communication
How Do You Replace an RS485 Cable with a Wireless Serial Link?
Design a wireless RS485 link by matching serial interfaces, topology and RF conditions, then commission the real route before replacing the cable.
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Comparison Guides
Passive vs Isolated RS232 to RS485 Converter: Which One?
Compare passive and isolated RS232-to-RS485 converter roles, then select by host power, grounding boundary, protection, wiring mode and verified distance.
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Product Selection
How to Connect Two Serial Devices to Ethernet
Plan a two-channel serial-to-Ethernet architecture, compare dual-port and single-port device servers, and select verified DTECH roles for RS232, RS485 and RS422 equipment.
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Product Selection
RS485 Star Topology: When to Use a Multi-Branch Hub
Compare RS485 daisy-chain and star wiring, learn when an active hub is needed, and select the right two-, four- or eight-branch product role.
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Comparison Guides
RS232 vs RS422 vs RS485: Key Differences and How to Choose
Compare RS232, RS422 and RS485 signaling, topology, wiring, distance and industrial use cases, then choose the right interface or converter for your project.
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