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DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 2 Pack

Free shipping on orders over $29.99

$7.59

$ 2 .99 $2.99

In Stock

1.Size:10 Pack


About this item

  • Converts standard, straight wired cables to null modem wiring
  • Gold contact plating provides reliable connections with repeated mating cycles
  • Slimline design reduces leverage strain on computer ports
  • UL grade 94V-0 connector insulator satisfies flammability requirements
  • Screws are removable and reversible


  • Convert your existing straight wired cables to null modem or reverser (transmit & receive) cables with these handy, inexpensive adapters.
  • Simply plug these adapters onto the end of a cable and you're done !

Gustavo Ortenzi
2025-08-22 16:50:59
Works great
Nancy J Robertson
2025-08-06 13:19:24
worked great for both rs-232 and rs-422
Customer
2025-07-28 14:01:00
Worked as expected.can hardly buy locally any more
KC
2025-07-25 15:36:11
These are awesome. The screws can be removed without them falling apart so I can plug them directly into my cable and into the device I am connecting to. My only complaint is that they came in a 2-pack with the same genders. I don't need 2 of the same thing. 1 of each type would have been more useful to me. Male to male, female to female and male to female in one kit would have been perfect.
Stan
2025-07-24 18:27:34
Fast shipping. Unit works as required
wabarron
2025-07-13 11:22:04
nice size, seems to fit and work well
Oben
2025-05-27 13:36:03
I had a unique '80s telecom situation that these were perfect for! The screws have internal threads in the heads so you can secure the cables together. They are well made, well packaged, and I haven't had any issues out of any of them.
Midland Painted Turtle
2025-05-06 12:36:39
Generally looks like a good product.*You get six.*They are low profile.*They say, "NULL MODEM" on one side and "MINI ADAPTER" on the other.*The hex screws are retained so they won't fall out.Just make sure that you order the right gender. I accidentally ordered a Female to Female. So what I got was both a Null Modem and a Gender Adapter in the same unit.I really wanted just a Null Modem adapter which would have Female on one side and a Male on the other. That was my mistake, so no points were deducted. Although, I am returning the product, so there is some incentive to make the ad copy clearer..
L2E2
2025-04-12 11:28:29
Good quality, but pricy.
Pierre du 81
2025-03-21 14:53:04
Bonjour, conforme au descriptif, très bien.
Kunde
2025-03-05 15:55:42
Produkt wie beschrieben
interlocked
2025-01-27 09:55:03
These adapters (as sold by dgjiachen) conform to the "Full Handshaking" pinout described on Wikipedia (search for "Null modem"), so by-and-large will work with normal serial ports without any special settings. I have used one to connect a PL2303-based USB serial adapter to the serial port of a server so that I can do some startup troubleshooting via the console. Took advantage of the twin pack, as one shall inevitably go walkies when surrounded by envious techies curious about how I make fixes as close to the metal as possible...
George Frederick
2025-01-19 15:59:33
Great alternative to any null modem cable. Takes up less than 1/2 " of space. No coiling of excess cable, just plug and play.