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Gearmo 2-Port USB to Serial Adapter TX/RX LED & COM Retention FTDI Chipset 920K Baud Rate

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108 ratings

| 7 answered questions

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Connector Type	USB Type A
Brand	Gearmo
Warranty Type	1 year warranty
Number of Ports	4
Power Plug Type	No Plug

About this item

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1 USB port to Dual RS-232 Serial Ports
Supports full RS232 Handshaking
Baud rates up to 921,600bps
No power supply needed
OS Compatibility:Windows 98, Me, XP, 2000, 2003, CE, Vista, Windows 7, and Windows 8 as well as Linux and Mac OS 10.X

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This item:Gearmo 2-Port USB to Serial Adapter TX/RX LED & COM Retention FTDI Chipset 920K Baud Rate $29.88
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Gearmo 4 Port USB to Serial RS232 Adapter FTDI Chipset, Supports Win 10, 8, 7, XP, Linux, Mac w/ESD… $39.98
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	This ItemGearmo 2-Port USB to Serial Adapter TX/RX LED & COM Retention FTDI Chipset 920K Baud Rate	Gearmo 4 Port USB to Serial RS232 Adapter FTDI Chipset, Supports Win 10, 8, 7, XP, Linux, Mac w/ESD and Surge Protection	StarTech.com 4 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub (ICUSB2324I),Black	UTEK UT-8812 (2port) USB to 232 Converter(2-Ports USB to RS-232 Serial Converter with ESD Protection TX/RX LED and COM Retention FTDI Chip)	StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2),Gray,430 mm [16.9 in]	Gearmo USB Serial Adapter FTDI Chip RS232 DB-9 920K w/TX/RX LED, Windows 10, 8, 7
	Added Error	Added Error	Added Error	Added Error	Added Error	Added Error
Rating	108	131	176	3	1,280	609
Price	$29.88	$39.98	$72.21	$30.91	$15.79	$22.88
connector type	-	-	-	-	Serial/USB	DB9 Male
brand	Gearmo	Gearmo	StarTech	U-Tek	StarTech	Gearmo
number of ports	2	4	4	2	1	1

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From the manufacturer

USB to Serial

Gearmo provides USB to Serial COM port adapters for RS232 | RS422 | RS485 protocols. Our USB to serial adapters cover all the bases from mini serial adapters, serial cable adapters, and metal USB serial adapters that are mountable.

RS-232 USB to Serial FTDI Cable

With 2 Ports

With this 2 port RS232 to USB FTDI chip adapter you can easily add 2 standard serial ports to your desktop, laptop or other mobile device. The 2 Port RS232 USB to Serial Adapter is compatible with most GPS and PDA devices such as Garmin, Magellan, and Palm. Office equipment such as modems, printers, scanners, and digital cameras are also compatible. With protection against static electricity and surges up to 15KV, the Professional 2 Port RS232 USB to Serial converter cable gives you reliable data transfers.

Screw lock serial connectors
Automatic handshaking
3ft. cable connection
Compatible with serial office equipment


Easy Plug and Play Offers a simple installation and requires no configuration for IRQ, DMA, or I/O port resources.	Versatile Serial Ports 2 standard serial ports offering compatibility with GPS, PDA devices, modems, printers, scanners, and digital cameras.	Surge Protection Offers protection against static electricity and surges up to 15kv giving you reliable transfers and equipment protection.

		Gearmo 4 Port USB to Serial RS232 Adapter FTDI Chipset, Supports Win 10, 8, 7, XP, Linux, Mac w/ESD and Surge Protection	Gearmo USB Serial Adapter FTDI Chip RS232 DB-9 920K w/TX/RX LED, Windows 10, 8, 7	Sabrent USB 2.0 to Serial (9-Pin) DB-9 RS-232 Adapter Cable 6ft Cable [FTDI Chipset] (CB-FTDI)	USB C to RS232 DB9 Serial Port Adapter Cable(USB-C to Serial, USB C to DB9, USB C to RS232) with FTDI Chipset Supports Windows 10 8 7 and Mac Linux…	Gearmo USB to RS-232 Serial Adapter with High Speed FTDI Chip Pro RS232 Serial DB9 Cable Adapter Connects with Plug-and-Play for Windows 10, 7 (32/64bit)

Customer Rating	(108)	(131)	(609)	(759)	(125)	(154)
Price	$29.88	$39.98	$22.88	$11.99	$12.99	$18.24
Sold By	Usbgear	Usbgear	Usbgear	Amazon.com	Oikwan	Usbgear
Color	Desktop Model	Black	Blue	Black	Black	Blue

Compare with similar items

Product description

Color:Desktop Model

Introduction:
3 foot Dual Port USB 2.0 to Serial Adapter FT2232D Chip with Power RX and TX LED This USB to Serial dual RS232 port converter cable utilizing the high performance FTDI CHIP easily adds 2 standard serial ports to your desktop, laptop or other mobile device.

Serial outputs are automatically configured as additional COM ports. Compatible with most GPS and PDA devices (Garmin, Mallagan, Palm), modems, printers, scanners, digital cameras and office equipment. This converter cable has protection against static electricity and surges up to 15KV which gives you reliable data transfers and protects the converter and your equipment from damage due to over voltages.

Product Details:
USB Plug and Play allows easy installation and requires no IRQ, DMA, or I/O port resources which means more devices can be attached to your system without the hassles of device and resource conflicts. This adapter is suitable for general office usage as well as commercial and industrial applications. The FTDI and SIPEX CHIP Powered by USB, the device does not require a power outlet.

Additional Specifications:
USB interface: standard Type A female
Baud rates up to 921.600bps
Dual 16 Byte hardware data buffer (up/down stream)
No IRQs, DMA or required. No IRQ Conflicts
Automatic handshake support
Cable Length: 3 feet

OS Support:
Windows 98, Me, XP, 2000, 2003, CE, Vista, Windows 7, and Windows 8
Linux and Mac OS 10.X

Package Contents:
36 Inch Dual Port USB 2.0 to Serial RS-232 Adapter
Driver Disc for all operating systems

Product information

Color:Desktop Model

Product Dimensions

7.2 x 1.6 x 5.6 inches

Item Weight

9.6 ounces

Manufacturer

Gearmo

ASIN

B004ETETZK

Item model number

USA-FTDI2X

Customer Reviews

108 ratings

4.8 out of 5 stars

Best Sellers Rank

#152 in Serial Adapters
#15,060 in Computer Cables & Interconnects

Is Discontinued By Manufacturer

Date First Available

December 2, 2010

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer reviews

5 star		82%
4 star		13%
3 star		6%
2 star 0% (0%)		0%
1 star 0% (0%)		0%

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Top reviews from the United States

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Grumpy in California

GearMo USB to Serial adapter works but has the wrong type of fasteners on its plugs...

Reviewed in the United States on October 17, 2015

Color: Desktop ModelVerified Purchase

This GearMo USB to Serial adapter seems to work fine even without drivers under Windows v8.1 but it has the wrong type of fasteners on its two serial port plugs (and they are different that the three other USB to serial adapters that I've used in the past). It has the correct male DB-9 connector, but the plug also has MALE fasteners when it needs FEMALE sockets so that you can securely attach the GearMo to the DB-9 plug that is on the serial device/cable itself. You can take the time to remove the male-threaded studs on the GearMo plugs but you are left with a hole in the soft plastic body of the plug that has no metal threads and thus still no way to make a 100% secure connection between the GearMo and the serial device itself. So, you just have to rely on the plug fitting snuggly, there is no secure way to attach the two plugs together. If GearMo wanted to offer this type of fastener then they should have included a set of female fasteners that could be used to replace the male studs.

Seems like a very silly decision or oversight by the manufacturer. See the attached photo to understand the problem, you've got a male fastener on both sides of the connection.

9 people found this helpful

Helpful

bimmerite

Works Perfect on my MBP

Reviewed in the United States on January 3, 2017

Color: Desktop ModelVerified Purchase

Use this for work quite often. As a network engineer, there's lots of times I need to be connected to two console ports at the same time. Saves USB ports on my laptop.
I can also leave these plugged in and the laptop running overnight. Had other individual ones that burned out leaving them running overnight.
Finally, since it uses the FTDI chipset, Mac drivers are readily available work flawlessly and the ports show up with names that actually make sense.

One tip: On my Mac, I installed 2 copies of Zterm and left 1 named 'Zterm' and the other 'Zterm 2'. This allows me to have two console sessions operating simultaneously. No problems.

2 people found this helpful

Helpful

J. Keefe

Need a console cable? How about 2!

Reviewed in the United States on December 10, 2012

Color: Desktop ModelVerified Purchase

I work on tech and it requires a console connection to do the basic setup/troubleshooting. This sucker did a fantastic job and allows me to connect to multiple systems at the same time. The console ports are clearly marked, so their is no confusion about which cable is which port. It doesn't slow down the response, either. I have seen some cables that split the connectivity so that you get 10-20 lines from one cable, then 10-20 lines from the other.

So, long and the short is that it works and does it easily. I mainly use a Mac, so I can provide OSX approval and confirmation of working. If you really press, I could provide iTerm2 settings that I use to capture my console logs and tell it to grab the ports for serial.

This same cable is now the standard cable to be purchased if anyone asks me. So, I would say go for it, if you need a dual-serial connection. It's good and it works.

5 people found this helpful

Helpful

Incline Village Business Owner

Doesn't Crash with Windows 7 / 64

Reviewed in the United States on November 2, 2012

Color: Desktop ModelVerified Purchase

I hadn't been in the market for USB->Serial for some time. I had been quite happy with the Keyspan product. I have the HS-19 and USA=49WG four port models. They worked great until I updated to Win7 64 Bit. They worked great under Win7/32. Suddenly, I was chasing BSOD (Blue Screen of Death). After finding that the Keyspan drivers were the culprit, I went to get new drivers. Keyspan has been acquired by Tripp Lite. They list the drivers as supporting Win7/64 - but they don't.. The driver date is 2007 - well before Windows 7. So.. time to change.

I heard that FTDI had great support. I really wanted a four port device, with female receptacles. This two-port cabled device was as close as I could get. So I do have a bit more of a cable mess than with Keyspan 49, the BSOD is gone.

The software is intuitive and integrated into Win7. I have two of these devices (4 ports total). They have serial numbers built in. So, when I move them around to different USB ports, they always come up with the same COM number. Not all drivers do this. Some report a different com port when plugged into a different USB port. It is much nicer to be able to label each of the connectors as COMxx instead of having to go to device manager each time I power up.

I am using 115,200 bps, but plan to move to faster speeds as I qualify my embedded device.

Helpful

JRodney

Gearmo 2 Port USB to Serial Professional Adapter works perfecrly.

Reviewed in the United States on September 9, 2020

Color: Desktop ModelVerified Purchase

Bought to replace two port serial PCE card. I had problems getting Windows XP under VMWaare under Windos to recognize card serial ports for an old Singer Monogramming sewing machine. Gearmo 2 Port USB to Serial Professional Adapter works perfectly. Mission accomplished!

Helpful

WA8LMF

First totally hassle-free serial<-->USB "dongle" I've ever used.

Reviewed in the United States on June 12, 2013

Color: Desktop ModelVerified Purchase

After years of struggling with buggy drivers and erratic configurations of these devices, especially ones based on the Prolific Tech chip set (as most of the inexpensive USB<--<serial cables are) this one "just works"! This one worked the very first time on WinXP, Win7-32, and on Win7-64. Even bigger surprise was that on Win7-64 (which is notoriously fussy about demanding officially-Microsoft-blessed "signed drivers") the device just "automagically" started working about 20 seconds after I plugged it in. Apparently, the FTDI chip (that this device is based on) is a known device in Win7's library of devices -- I didn't even have to use the provided install CD or download a driver.

I use the device to connect legacy serial-interface GPS hardware and two-way radio modems to a laptop in my car. This is a notoriously noisy electrical environment, with all the electrical/electronic devices, alternator hash, etc. This device has been absolutely rock solid with none of the hiccups, random disconnects, etc I've had with other such cables.

Getting two serial ports for the cost of one USB port is a bonus, especially on netbooks with their limited supply of USB ports.

4 people found this helpful

Helpful

Nathan Skorupa

Works with windows 10 and server 2012

Reviewed in the United States on February 15, 2021

Color: Desktop ModelVerified Purchase

I needed these for work as I have a pile of USB to serial adapters that do not work for whatever reason probably drivers. This works. I did have to use the supplied drivers on CD to 2012 servers but this is a improvement from the others I have bought. Recommended.

Helpful

john wall

After years of using substandard USB to Serial cables, ...

Reviewed in the United States on August 1, 2018

Color: Desktop ModelVerified Purchase

After years of using substandard USB to Serial cables, GearMo hit this on out of the park, Works every time with out hassle<><.

One person found this helpful

Helpful

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