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Browse Serial RS232

RJ45 to DB9 Female Serial RS232 Modular Adapter - Red

#02944

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Cost-effective solution to connect serial printers, terminals, modems, POS devices and other serial equipment
(1) RJ-45 Female
(1) DB9 Female

Product Description

Using modular adapters with inexpensive silver satin or flat oval twisted pair wire has become a standard way to run client server applications. Needing to connect dumb terminals on the desktop back to a central patch panel or directly to a MUX via RS-232, many network planners have implemented modular adapters as the most cost-effective way to complete the connections.

Whether used in a wiring closet or throughout the office, color-coded modular adapters lend easy identification and differentiation to your cable plan. By color-coding your connections, you reduce troubleshooting time while taking full advantage of the benefits of this modular adapter approach.

Please Note: Picture shows this adapter before assembly; this modular adapter will need to be assembled so that it is functional. There is not a universal way to assemble them, so please contact us for details. We'll be happy to assemble any adapter (for a nominal labor charge) to fit your application so that they are ready to use upon arrival. Click here or call us for a custom quote for modular adapter assembly.
WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

Product Certifications

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RoHS Compliant

Product Specifications

Color : Red
UPC : 757120029441
Warranty : Lifetime
Vendor : C2G
Weight : 0.050 LB
Pinout for this adapter Pinout
Customer Reviews

For immediate help, please with us!

Rated 5 out of 5 by from fast delivery, easy to assemble Very easy to assemble with no tools required; clear pin out provided on product web page. Trying to remove an RJ45 connector from the RJ45 side of the adapter is a little difficult as the connection is quite secure and the long screws to secure the adpter to a male DB9 plug get in the way of trying to depress the tab to release the RJ45 connector (I have thick fingers), so it would be nicer if the screws weren't so long or if the RJ45 port/jack was rotated 90 degrees within the adapter to allow easier access to the RJ45 connector tab; however, the connection is strong and has no chance of becoming disconnected by accident, plus I imagine it will become easier to remove the connector with continued use as I get used to it.
Date published: 2014-11-10
Rated 5 out of 5 by from Great Product Worked perfect at converting Cat 5e to serial for machine communication to a PC.
Date published: 2009-12-16
Rated 5 out of 5 by from Excellent vendor LIS interface for Lab equipment; doing it ourselves saved thousands of dollars.
Date published: 2012-08-14
Rated 5 out of 5 by from Customer Service was excellent! Connecting interfaces.
Date published: 2017-02-08
Rated 5 out of 5 by from Great product. Adaptable for application Have ordered many of these before. Used to program phone systems and computer interfaces.
Date published: 2009-12-05
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Questions & Answers

For immediate answers, please with us for help!

i put the wrong female in the wrong hole is there a way to back them out.

Asked by: patgallina
The only way would be to use a Pin extractor Tool.
Answered by: Tom
Date published: 2017-10-05

I want to use this product. Is there a difference with the CAT5 RJ45 plug male end, should that be wired as a stright through. the information i was give for the DB9F to RJ45 is that it follows USOC wiring.

Asked by: Anonymous
The reason this part is sold unterminated is that many customers need to pin the adapter in different ways. Having this unterminated allows the customer to pin the adapter in the way that they need for their application. Please refer to your equipment requirements as to how to pin the adapter for your application. Please note that the RJ45 end is terminated for T568B.
Answered by: Michael
Date published: 2017-10-05

Do you have the proper pin out for this connector. I am trying to use it for the serial port on the back of computer.

Asked by: Sean
We do have the color code of that adapter which you can find under the Spec tab. The pinout required would depend on the serial device that you are connecting. We would recommend contacting the serial device manufacturer for the proper pinout.
Answered by: Steve
Date published: 2017-10-05
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