GBS301 IOGear RS-232, So close yet so far
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So close yet so far
Classic design goof up.
This serial adapter has a DB9 male connector in the DTE pinout.
I purchased this adapter to plug into the console ports of various computers and network switches so it should’ve been a DB9 female connector in the DCE pinout. Clearly, they realized this so they provide a female to female null modem adapter (most null modem adapters are male to female).
Unfortunately they left pin 9 unconnected as would be the case in most null modem cables and most null modems, although this is normally a reasonable precaution, this device derives it’s power from pin 9 which being unconnected, does not work very well. To account for this oversight, they’ve provided an external power adapter with an european to US plug adapter, not a very portable solution, nor is it very wireless solution.
The product is still usable if you build your own female to female null modem adapter with pin 9 connected through.
Update (5/17/2012): This item is currently on sale here for the lowest price I’ve seen.
The featured review for this product, IOGear RS-232 Serial Adapter with Bluetooth Wireless Technology GBS301 Black Electronics, was written by J. WANG.
The average rating for this item is out of 5 stars, according to 3 reviews.
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Tags: adapter, bluetooth, bluetooth adapter, console adapter, i recommend it, iogear, serial, usb, wireless adapter, wireless console adapter, yes
Posted on: March 24, 2010
Filed under: Reviews




Reviews (3)
Tech Instructor
February 18th, 2010 at 2:04 pm
DO NOT BUY - DOES NOT WORK!
After spending many hours (phone and email) with tech support I was able to get this device to function with 2 of them back to back with each other and transfer files via x-modem PC to PC (as a test). I did not buy them for this purpose (Wireless or wired LAN is MUCH faster!).
I was able to limp along to provision a box at 4800 bps (software port speed setting only) via bluetooth adapter to one of these using HyperTerminal (not available on my Vista PC, had to download TeraTerm freeware replacement). I had to wire an adapter to loop pin 7 to 8 toward the dB9 of this adapter because it is not capable of turning off the hardware handshaking. It still would not work with products I bought it for and on XP and Vista PC’s both I get the Blue screen of Death every time I point the software at the GSB301 COM port!
J. WANG
March 12th, 2010 at 7:46 am
So close yet so far
Rated 3 stars.
Robert A. Flickinger
March 21st, 2010 at 11:37 am
Junk
I purchased this to connect to a weather station. Real simple handshaking, no special drivers needed. Works by dumb polling.
However, it doesn’t work. I can connect via hyper terminal through a port and it does work, but I need it to act as a slave.
I sent IOGear a rather detailed explaination of what I’m doing, and what I’ve tried - what I got back was a one line sentence telling me to try something I had already told them that I had tried. I emailed them back a second time and I’ve yet to get a response. It’s now been 3 months.
I give it a “1″ rating because it didn’t do as it claimed it should, and IOGears technical support was completely lacking.
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