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⚡ Protect your ports, power your productivity!
The DTECH Port Powered RS232 to RS232 Serial Port Isolator is a compact, self-powered optical isolator designed to protect your PC and RS232 devices from electrostatic discharge, surges, and ground loops. Featuring reversible DB9 connectors and supporting data rates up to 57.6K bps, it ensures reliable, interference-free serial communication for a wide range of industrial and professional applications.
| ASIN | B01EACRB0K |
| Best Sellers Rank | #376 in Serial Adapters |
| Brand | DTECH |
| Color | Black |
| Compatible Devices | PC |
| Connector Type | DB9 |
| Customer Reviews | 4.1 4.1 out of 5 stars (41) |
| Input Voltage | 9 Volts |
| Item Dimensions | 2.6 x 1.3 x 0.7 inches |
| Item Weight | 0.07 Pounds |
| Manufacturer | Guangzhou DTECH Electronics Technology Co.,Ltd |
| Mfr Part Number | DT-9011 |
| Model Number | DT-9011 |
| Number of Items | 1 |
| Number of Ports | 2 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Specific Uses For Product | PC |
| UPC | 600649504725 |
| Unit Count | 1.0 Count |
| Warranty Description | 180 days from the date of the purchase |
| Warranty Type | Limited |
R**S
This Device Works GREAT!!!
I had industrial equipment connected to a laptop about 50 feet away via RS232 with USB adapter into laptop. I had many issues of laptop freezing or com port/usb issues related to this connection. I simply placed this device inline with RS232 near the laptop and no more problems. This is a very quick, inexpensive and amazing fix. The device somehow magically powers itself from the communications - no need for external isolated power sources... Works Great. I use mine at 19.2K baud, but it is rated for much higher speed...
D**.
Stay under 57600 bauds and you will be fine
As another reviewer mentioned, stay under 57600 bauds for the isolator to work well--anything above and you end up with corrupted data. So only 4 stars as the description claims it can do more than that. Otherwise, I tested continuity across the pins, isolation does seem to work.
D**J
You MUST power up both DTE and DCE sides of the isolator.
Typically for ham radio use, the DTE side (Female 9-pin connector) is connected to a PC serial port and receives power from the DTR signal on pin 4 (a 9-pin plug on the PC). PC radio software has setup options to power this pin. When running Linux, remember to add yourself to the "dialout" Group or nothing will work. You must also provide power to the DCE side of this isolator (Male 9-pin) on pin 4 from a source common to the isolated equipment (e.g. a rig interface). If a setup parameter on the rig interface does not offer this option, a 9V battery negative (-) side to pin 5, positive (+) side to pin 4 through a 10k resistor will work. This is on the side facing into the serial port of the rig interface. Upon testing, the isolator will run with voltage from 3 - 9 Volts on pin 4. Please verify documentation of the rig interface to be certain there is not a conflict. Product literature included with the DTech isolator indicates it can also be powered via RTS on pin 7. That was not tested. Overall, this product performs as advertised. I did not inject a 2500 VAC pulse or 500VDC to test isolation. MY REQUEST TO DTech: Please let us know what isolator IC you use inside! Verification would have been much simpler and more complete.
R**A
Struggle to work at 57600BPS
The optocouler worked good at baudrates below 57600, unfortunatly for my application this would not work.
S**M
Good product and good price and works very well
This product works very well for RS232 for Machine tools
K**Y
very good
good quality and packing
M**L
It seems to work!
It seems to work! I am using this in an industrial setting to prevent static and shocks from reaching an RFID reader and a PC. So far it is transmitting the serial communications without any issues.
K**R
Does not work with Yaesu FT450D
This coupler does not work with the FT450D. I think it may not fully implement RS232, or maybe it's just defective. Either way it's going back.
O**D
It works well with a good USB to RS-232 adapter. Initially it didn't work at speeds higher than 2400 baud, but it turned out that my RS-232 adapter had TTL level voltages. Apparently, you need more than just 0..5V. My other RS-232 adapter outputs -6V and +6V signals, and everything works great.
Trustpilot
1 week ago
2 weeks ago