Tera Grand
Tera Grand - Premium USB 2.0 to RS232 Serial DB9 Adapter Cable 10 Feet - Supports Windows 11, 10, 8, 7, Vista, XP, 2000, 98, Linux and Mac - Built with FTDI Chipset and Thumbscrews
Bottom line: The Tera Grand - Premium USB 2.0 to RS232 Serial DB9 Adapter Cable 10 ($16.99 on Amazon as of 2026-10-06): Genuine FTDI chipset for stable, driver-supported serial communication; main trade-off: male thumbscrew DB9 only; not interchangeable with hex-nut devices.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Genuine FTDI chipset for stable, driver-supported serial communication
- ✓ Long 10-foot reach to place serial devices away from the PC
- ✓ Full RS-232 signals: TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND
- ✓ Broad OS support: Windows 11 down to 98, macOS, Linux, BSD
Cons
- ✗ Male thumbscrew DB9 only; not interchangeable with hex-nut devices
- ✗ Not for VGA monitors (HDB15) despite the similar DB9 look
- ✗ Driver download from Tera Grand site required, not plug-and-play
- ✗ USB-powered only; no external supply for high-draw legacy gear
Manufacturer description
Tera Grand - Premium USB 2.0 to RS232 Serial DB9 Adapter Cable 10 Feet - Supports Windows 11, 10, 8, 7, Vista, XP, 2000, 98, Linux, and Mac - Built with FTDI Chipset and Thumbscrews. This Cable is NOT Used for VGA Monitor.
SpecPicks Verdict
SpecPicks scored Tera Grand - Premium USB 2.0 to RS232 Serial DB9 Adapter Cable 10… using a rating × review-volume × price-fit model applied to published specs and reviews across the cables & connectors category. Tera Grand's cables & connectors lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for cables & connectors 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- OS SUPPORT - Supports Windows 11, 10, 8, 7, Vista, 2000, XP, 98, Apple MAC OS8 or higher, Linux 2.4.0 and later, OpenBSD 2.9 and later & FreeBSD 4.7 and later. This cable is NOT used for computer VGA monitors which use a HDB15 (15-pin) VGA connector.
- USB2 TO RS232 - Installed as a standard Windows COM ports, Full RS-232 modem control signals, RS-232 data signals; TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND
- CONNECT RS232 SERIAL DB9 DEVICES - Provides instant connectivity with modems, ISDN terminal adapter, PDA, bar code scanner, label printer, and devices with DB9 SERIAL ports. This cable is NOT used for VGA monitors which use a HDB15 (15-pin) VGA connector.
- FTDI CHIPSET - Built with FTDI chipset, Powered by USB port, Download the latest driver from the Tera Grand website. This cable is NOT used for VGA monitors which use a HDB15 (15-pin) VGA connector.
- IMPORTANT - This cable is NOT used for computer VGA monitors which use a HDB15 (15-pin) VGA connector. This cable is used for RS232 serial devices. Please double check if your RS232 Serial device needs a cable with Male Thumbscrews or Female Hex Jack Nuts. These connector styles are not interchangeable.
Full Specifications
| Brand | Tera Grand |
|---|---|
| Color | Black |
| Unit Count | 1 Count |
| Connectivity | USB |
| Model Number | USB2-RS232TS-10 |
| Compatibility | Mac, Linux |
| Connector Type | RS232 Serial Connector |
| Item Dimensions | 10 x 4 x 0.6 inches |
| Mfr Part Number | USB2-RS232TS-10 |
| Number of Items | 1 |
| Number of Ports | 1 |
| Power Plug Type | No Plug |
| Compatible Devices | RS232 Serial Devices |
| Item dimensions L x W x H | 10 x 4 x 0.6 inches |
| Specific Uses For Product | RS232 Serial Devices |
| Global Trade Identification Number | 06933194408465 |
Ready to buy?
Tera Grand - Premium USB 2.0 to RS232 Serial DB9 Adapter Cable 10 Feet - Supports Windows 11, 10, 8, 7, Vista, XP, 2000, 98, Linux and Mac - Built with FTDI Chipset and Thumbscrews is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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