Wacky Serial Cable

Posted on 2009-12-21
Medium Priority
Last Modified: 2012-05-08
Any and all,

I am looking for a certain type of serial DB9 cable with specific pin-outs (see attached). We are trying to connect an SDA meter (broadband industry) to a PC. This meter is now discontinued and therefore getting parts from the vendor is not happening. I have tried using standard RS232 cable to no avail. I was just wondering if anyone immediately knew if and where this could be purchased, otherwise we will be left to make them from hand.
Question by:WOW-DS
LVL 11

Accepted Solution

rharland2009 earned 1500 total points
ID: 26097075
There are a few companies that will make custom cables to spec. Here's one:


LVL 69

Expert Comment

ID: 26099011
You may want to see if a null-modem cable http://www.nullmodem.com/NullModem.htm will work for you - they are very common and easy to get.
LVL 10

Expert Comment

ID: 26100410
That is indeed a null modem, except that pin 1 talks to nothing on both sides.
Independent Software Vendors: We Want Your Opinion

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

LVL 10

Expert Comment

ID: 26100712
My favorite null modem cable is a cisco console cable connected to an old style cisco console cable rj45 to 9pin, but you need a 9pin male to 9pin female null-modem cable.

Author Comment

ID: 26105665
We have tried using the null modem cable. No success. Thanks everyone for chiming in, but I will be having it custom made.

Author Closing Comment

ID: 31668567
Going this route.

Featured Post

Hire Technology Freelancers with Gigs

Work with freelancers specializing in everything from database administration to programming, who have proven themselves as experts in their field. Hire the best, collaborate easily, pay securely, and get projects done right.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

In the modern office, employees tend to move around the workplace a lot more freely. Conferences, collaborative groups, flexible seating and working from home require a new level of mobility. Technology has not only changed the behavior and the expe…
A clone is a duplicate copy. Sheep have been cloned and maybe someday even people will be cloned, but disk cloning (performed by the hard drive cloning software) is a vital tool used to manage and protect data. Let’s look at what hard drive cloning …
Screencast - Getting to Know the Pipeline
When cloud platforms entered the scene, users and companies jumped on board to take advantage of the many benefits, like the ability to work and connect with company information from various locations. What many didn't foresee was the increased risk…
Suggested Courses

864 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question