Which rs-232 lines it gets power from. txd? cts? rts? which ones? my application has only txd, rxd and gnd. will it work?

Yes, the RS-232 to RS-485 conveter works for txd, rxd and gnd application. If need any usage help, please feel free to contact us directly anytime.

The device needs power. does it get it from the rs-485 signal lines, from the rs-232 lines, or where? if from the rs-232 lines, whiich ones?

The RS 232 to 485 adapter is port-powered, normally external power supply is not required. But if you need additional power supply as your case may be, please check the "VCC" pin on the breakout connector, which will allows you to add a DC 7-9V power supply to it.

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DTECH Industrial Grade Port-Powered RS232 to RS485 Converter Adapter with TX/RX LED Lights for Industrial Long Haul Serial Communication

Product ID: 274470197

Details

Colour
Blue
Compatible devices
serial devices
Connector type
serial
Item dimensions L x W x H
6.4 x 3.3 x
Specific uses for product
PC

⚡600W surge & 15KV static protection

📶4000ft long haul RS485 transmission

🔄Auto baud rate up to 115200 bps

116.59 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Power your industrial network with confidence and speed—because downtime is not an option!

PLUG PLAY SIMPLICITY - Port-powered design with automatic data direction control means zero external power and hassle-free setup.
REAL TIME TX RX STATUS - Built-in LED indicators let you monitor data flow instantly, ensuring smooth and transparent communication.
MULTI DEVICE NETWORK READY - Supports up to 32 RS485 devices on a single network—scale your system without breaking a sweat.
INDUSTRIAL GRADE SURGE DEFENSE - 600W lightning & 15KV static protection shields your critical devices from power spikes—peace of mind guaranteed.
ULTRA LONG DISTANCE COMMUNICATION - Reliable data transmission up to 4000ft over RS485 keeps your industrial network connected across sprawling facilities.

The DTECH Industrial Grade RS232 to RS485 Converter is a compact, port-powered adapter designed for robust, long-distance serial communication up to 4000ft. Featuring 600W lightning surge and 15KV static protection, it safeguards your devices against voltage spikes. With automatic baud rate detection up to 115200 bps, support for up to 32 devices on a single RS485 network, and real-time TX/RX LED indicators, it delivers reliable, plug-and-play performance ideal for industrial automation, SCADA, and complex serial setups.

Specifications

ASIN	B01EABU6MG
Best Sellers Rank	#52,149 in Computers ( See Top 100 in Computers ) #140 in Serial Adapters
Brand	DTECH
Color	Blue
Compatible Devices	serial devices
Connector Type	serial
Current Rating	24 Amps
Customer Reviews	4.7 4.7 out of 5 stars (35)
Finish	Matte
Input Voltage	9 Volts
Item Dimensions	6.4 x 3.3 x 1.8 centimeters
Item Weight	0.08 Pounds
Manufacturer	DTech
Mfr Part Number	DT-9004
Model Number	DT-9004
Number of Items	1
Number of Ports	2
Package Quantity	1
Power Plug Type	No Plug
Specific Uses For Product	PC
UPC	600649504718
Unit Count	1.0 Count
Warranty Type	Limited

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116.59 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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