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Topic:
XP8 cat 5 RS-232 connectors
This thread has 5 replies. Displaying all posts.
Post 1 made on Monday February 6, 2012 at 20:38
mfriedman
Junior Member
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February 2012
3
I am trying to sort out how to use these (out of the box) connectors (male) on a JVC DLARS55U (Also a male port). I inserted a gender changer, but the serial commands still don;t work. I am concerned that since they are both male I will need a crossover cable. If this is the case the installation will look pretty redneck with the connector, a gender changer, and a cross over on the same connection?

Any thoughts on cleaning up, or if my assumptions above are off, a little guidance would be greatly appreciated

- Matt
OP | Post 2 made on Monday February 6, 2012 at 21:07
mfriedman
Junior Member
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February 2012
3
Okay....asked and answered.

I spent some time on it. I pulled apart the RTI Cat 5 serial connector and pulled out pin 2 and 3 and swapped them. Voilla! It worked.
Post 3 made on Monday February 6, 2012 at 21:15
PeterN
Long Time Member
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July 2008
405
Probably needs a null-modem as you suspect. Use a multimeter to figure out the pinout and then you can get some of the cheap "pin-your-own" DB-9 to RJ45 adapters and set that up the way you need it.

[from my notes:
db9 pin 2 = RX = whblue = cat5 pin 5
db9 pin 3 = TX = green = cat5 pin 6
db9 pin 5 = GND = blue = cat5 pin 4]
Post 4 made on Monday February 6, 2012 at 23:39
Total Control Remotes
Super Member
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July 2006
2,748
PeterN has it right. JVC typically use a Null Modem adapter.
Post 5 made on Tuesday February 7, 2012 at 20:07
vettr
Junior Member
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February 2011
9
When useing 568A config I just swap blue/white and orange on cat 5 from xp8 to adapter
Post 6 made on Saturday February 11, 2012 at 23:45
ralliart329
Active Member
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October 2007
620
I use a null modem adapter. Quick and easy.

It might even mention needing one in the driver info.


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