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Joined: Apr 2008
Posts: 146
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Anyone know if there are any usb connectors that can switch between a straight thru cable (9 pin) and a null modem cable (9 pin)??? If so were can I get it?
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Joined: Feb 2006
Posts: 826
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I doubt such a beast exists. If it does, it would probably be an obscure special order from China. USB->RS232 converters are cheap enough, I just keep a few of them around connected to the various cables and devices I need to use them with. One is always connected to a console cable for the Cisco routers, one is always connected to the adapter for our Adtran box, etc. So, buy two and keep one with a straight through cable and one with a null modem.
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Joined: Jan 2004
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RIP Moderator-Nisuko-Tie, General
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RIP Moderator-Nisuko-Tie, General
Joined: Jan 2004
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like Clinton said its not a separate USB connector but rather a cable than can switch I have a smart cable that will switch to null modem you just move the switch until you have two yellow lights and your connected
Skip
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Serving SW and West central Fl since 1984
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Joined: Feb 2008
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You can go to Radio shack and they have an USB to Serial adpter.. works great since most new laptops don't have the serial port.. I use mine to get into all my adtran gear..
Joe
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Joined: Dec 2007
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Moderator-Toshiba
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Moderator-Toshiba
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Originally posted by skip555: like Clinton said its not a separate USB connector but rather a cable than can switch
I have a smart cable that will switch to null modem you just move the switch until you have two yellow lights and your connected I like that... but whoa!$$$ Good find!
- Tony Ohio Data LLC Phone systems, data networks, firewalls and servers in Central Ohio. Some people aren't used to an environment where excellence is expected.
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Joined: Nov 2006
Posts: 196
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Joined: Nov 2006
Posts: 196 |
This is kind of a sidetrack from the original post but I was wondering if anyone has come across a converter that can take RS-232 output from a COM port and translate it to a USB input on a printer. I don't know enough of how USB works to even know if it's possible. The reason I ask is interest in porting SMDR to an inkjet printer. I can find a serial-parallel converter that does the job but nobody makes an inkjet anymore that offers parallel input.
Harry at Telecom Equipment & Consulting Specializing in Mitel systems for the Hotel/Motel industry www.TECHarry.com
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Joined: Mar 2006
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SMDR wouldn't be terribly practical in an inkjet would it? Inkjets are designed to print to a whole page at a time.... hooking up to an old-school dot matrix would be more practical.
Rob Cashman
Customer Support Engineer
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Joined: Nov 2006
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I've actually got several properties running on inkjet. The data sits in the buffer and when a sheet loads up, it prints out. If they want to pull what's waiting, they just force the print. The application is hotel/motel call accounting printout. Front desk areas are notoriously crowded and call accounting printers get treated like the redheaded stepchild. Dot matrix usually means tractor feed and I'm constantly getting calls that the call accounting is printing only to find a box of travel size deodorants on top of the paper stack.
Harry at Telecom Equipment & Consulting Specializing in Mitel systems for the Hotel/Motel industry www.TECHarry.com
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