DSD TECH
DSD TECH SH-U11H Isolated USB to RS485 RS422 Adapter for Industry
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SH-U11H is a USB RS485 adapter that supports power isolation and signal isolation. This adatper can ensure that the USB interface of your computer or notebook will not be damaged due to short circuit or operating errors, and is especially suitable for various industrial occasions.Great for point to multi-point communication with up 32 devices connected per converter!Specification:Model: SH-U11HStandard : RS485/RS422Main chip: Prolific PL2303GCInterface: USB Type B ,6 PIN Terminal BlockCable Length: 1.0M/3.2FTRS485 PIN: TXD+(A+), TXD-(B-)RS422 PIN: RxD+, RxD-, TxD+, TxD-, GNDBaud rate: 300bps…
SpecPicks Verdict
SpecPicks classifies DSD TECH SH-U11H Isolated USB to RS485 RS422 Adapter for Industry as a solid pick with broad community endorsement in the keyboards & mice category, based on 25 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. DSD TECH's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for keyboards & mice of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.4★ customer rating
- ✓ Backed by DSD TECH's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- DSD TECH: DSD TECH focuses on the development of communication connection devices such as USB/Serial/Wireless. We have served more than 100,000 customers in Europe, North America and Japan.
- Industrial-grade :The built-in isolated power supply and signal isolation chip can effectively protect against damage caused by accidental short circuit, electric shock, etc. and is suitable for industrial applications.
- USB to RS485/RS422:Support RS-422 (RxD+, RxD-, TxD+, TxD-, GND) and RS-485(A+, B-, GND) Interface.
- Compatibility: Built-in PL2303GC serial chip ;Works with Windows 10, 7(32/64bit) ,Liunx,Mac OS Etc.
- Customer Support: DSD TECH provides permanent technical support and 1 year product replacement service for this USB to RS485 RS422 Adapter.All questions will be answered within 1 working day.
Full Specifications
| Brand | DSD TECH |
|---|---|
| Color | Transparent |
| Finish | Matte |
| Unit Count | 1.0 Count |
| Connectivity | Wireless, USB |
| Model Number | SH-U11H |
| Compatibility | Built-in PL2303GC serial chip ;Works with Windows 10, 7(32/64bit) ,Liunx,Mac OS Etc. |
| Warranty Type | Limited |
| Connector Type | Serial Adapter |
| Current Rating | 2 Amps |
| Connection Type | Wireless |
| Item Dimensions | 2.28 x 1.61 x 0.91 inches |
| Mfr Part Number | SH-U11H |
| Number of Items | 1 |
Ready to buy?
DSD TECH SH-U11H Isolated USB to RS485 RS422 Adapter for Industry is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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