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Cross over connection

How can i prepare rj45 crossover conection,for connection my pc to other node or system like transmition equpment?
please help me.

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cross over connection - moz-screenshot.jpgTry this
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Posted on May 29, 2009

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1 Answer

Not connect from console port


Verify that the correct settings and cable/connectors (rollover cable, correct COM port specified) are being used when establishing the console connection.

From the manual-

3.9.2 Connecting to an IBM or Compatible Device

To connect an IBM PC or compatible device, running the VT terminal emulation, to an
Enterasys Networks module Console port (Figure 3-20), proceed as follows:
1. Connect the RJ45 connector at one end of the cable (not supplied) to the Console port on the
Enterasys Networks module.
Connecting to Console Port for Local Management
Hardware Installation 3-31
2. Plug the RJ45 connector at the other end of the cable into the RJ45-to-DB9 adapter (supplied
with the device).
3. Connect the RJ45-to-DB9 adapter to the communications port on the PC.
4. Turn on the PC and configure your VT emulation package with the following parameters:

Parameter Setting
Mode: 7 Bit Control
Transmit: Transmit=9600
Bits Parity: 8 Bits, No Parity
Stop Bit: 1 Stop Bit

source: Install Guide for Enterasys 1H582-25 / 1H582-51 (http://www.retrevo.com/support/Enterasys-1H582-51-Switches-manual/id/2785dj098/t/2/)

Jun 22, 2011 | Enterasys MATRIX E1 (1h582-51-g)...

Tip

Using a crossover cable to connect two computers.


Hi.

You can use a crossover cable to share files and folders between the two computers.

A crossover cable looks exactly the same as any Ethernet cable, but its internal wiring is reversed respect to the regular cables used to connect computers to routers or switches.Crossover cables have the 1st and 3rd wires (counting from left to right) crossed, and the 2nd and 6th wires crossed, thay can be recognised because the word Crossover is printed on top of the cable.

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Before proceeding ensure that the cable you are using is a crossover. Crossover wiring isdifferent. By using an ordinary ethernet cable you will not be able to extablish a directconnection between computers.

To use the crossover you will need to disconnect any other cable connection to computer ethernet cards. Naturally both computers must have a wired network adapter installed .

After connecting the crossover, you will need to configure the network connection.

Turn off both computers, connect the crossover (cat5 or cat6) cable, and turn back on computers.

Ensure that all firewallare turned off, and on Vista answer yes to all requests of authorization for the new network.

On both computers go to system properties, and ensure that the two computers have the same workgroup.

Second step is going to Sharing and Security, in system properties, and sharing the files and folder that you want to transfer.

Once the folders are shared you will see in My computer (Computer on Vista) the folder shared from the other computer. Simply copy and paste the files.

You may be asked to restart computer after each step.

If after sharing files and folder you want to share Internet connection, then you will have to assign two IP addresses that are in the same range to the two connected computers.
An IP address is a series of numbers from 1 to 256, in the format XXX.XXX.XXX.XXX . The two IP addresses must share the first three numbers to share the internet connection. In the real case, you can set the IP adresses to 192.168.0.1 and 192.168.0.2.


See also:

Connect two computers using a crossover cable

on May 26, 2010 | Computers & Internet

1 Answer

When hooking up my Tenda W330R router to my Alvarion Breezeaccess broadband box, i lose connection occassionally.(says cable unplugged) should both cables be crossover or straight?


it does not matter if they are crossover or straight.... i think the problem is with cables...if the pin RJ45 are loose or of not good quality then these things happen i suggest you to replace RJ45 pins from cable with new ones with good quality. hope that helps!

Apr 10, 2011 | Computers & Internet

1 Answer

CANNOT CONNECT TO MY LAPTOP (WINDOWS XP )


Check the UTP cable or the lan cable.
Check the RJ45.
Check for operating system firewall.
Check for antivirus firewall.

If you are connecting two computers you need a cross wired LAN. moz-screenshot.pngmoz-screenshot-1.png
Set each computer for IP address.

For more information follow this link.
Please rate me!

Nov 24, 2010 | Computers & Internet

1 Answer

I only want to know the meaning of the different colours of cables that are used in crossover cables?


the standard colours for CAT5(e) or CAT6 ethernet cable are:

green, green stripe
blue, blue stripe
orange, orang stripe
brown, brown stripe

the typical setup for an ethernet connection in an RJ45 (the crystal end with the connection tab towards you) is

1 green stripe gclosen.jpg
2 green
3 orange stripe
4 blue
5 blue stripe
6 orange
7 brown stripe
8 brown

Wires 1 & 2 are used to transmit data from the PC to the router/modem (TX) and wires 3 & 6 are used to recieve information from the modem/router (RX). in this fasion, information flows along one pair or another and is expected to arrive at that pinout. the router/hub/modem takes care of the transition to the next cable or out to the internet.

In a crossover cable ONE end is configured as above, but the colours for wires 1, 2, 3, and 6 are exchanged so that when no hardware is between the two PCs/components the signal is transmited at wire 1 & 2 and recieved on pins 3 & 6 on the other system/component. the other colours are placed for backward compatibilitiy and other applications, such as power over ethernet.



following the standard above allows anybody familiar with RJ45 connections repair a connection with a standard colour code and pattern without having to see the other end. If you know you need to replace one end of a patch cable, you use the standard termination.




gclosen_0.jpg

Oct 12, 2010 | Computers & Internet

2 Answers

I am connecting 4 nodes through 2 switch located at 400ft distance. the data transfer is not working. 2 nodes are connected to each switch, both nodes connected to individual switch communicates with each...


Just to clarify, you have 4 computers connected to two ethernet switches. Two computers are connecteh to each ethernet switch and a network cable connecting the two ethernet switches 400ft apart.

For all the computers to communicate with each other, they all need to be in the same workgroup "name".
The cable joining the two ethernet switches need to be connected to the RJ45 UPLINK port on both the ethernet switches, and the uplink port may have a switch (the switch allows it to function as a standard RJ45 port or a RJ45 uplink port).
If there is no RJ45 uplink ports on the ethernet switches then a cross over network cable is needed to connect the ethernet switches together.

Oct 28, 2009 | D-Link DES-1008D 8-Port Ethernet Switch...

1 Answer

Crossover cable connection


dear you have to prepare new cross cable
of cat 6 as following sequence
for one side it is
orangewhite,orange.
greenwhite,blue,
bluewhite, green,
brownwhite,brown
and for second side it is
greenwhite, green,
orangewhite,blue.
bluewhite,orange
brownwhite,brown
try and reply

Apr 12, 2009 | Computers & Internet

2 Answers

Networking 2 computers


Yes you can make a simple Network between 2 PCs ....but ....you need what is called a "crossover ethernet cable" or "xover". A standard RJ45 ethernet cable WILL NOT work.

You also need to make sure both Pcs are in the same Workgroup and have unique computer names.... as is standard in Networking.

Dec 31, 2008 | HP Pavillion ZV6000 Notebook

1 Answer

I'm looking to hookup the DVR with the PC via A cross-over cable


I have 2 DX2000's, In order for you to communicate with your pc, you need a Crossover cable, if you have a laptop or computers, connect the crossover cable to that, set your ip address on your computer to 192.168.2.108, (Note: since you never configured it, this would be the default setting). If you have the manual this is in there.,

Another method, if you don't have a crossover cable is to set the ip on your computer to 192.168.2.110 Subnet, 255.255.255.0. its a little more funky, the crossover would be easier, once you get in, then go to the configuration page and setup up the IPaddess for the DX2000, the Gateway to your Router and the subnet mask, once you do this, then you're able to get to it on your network, by typing in http://xxx.xxx.xxx.xxx:8004 .

Dec 26, 2008 | Pelco DX2000 Series 16-Channel 80GB DVR

2 Answers

Normal RS -232 cable


5 4 3 2 1
9 8 7 6

1 - Not Used
2 - Transmit Data (TD)
3 - Receive Data (RD)
4 - Request to Send (RTS)
5 - Clear to Send (CTS)
6 - Grounded
7 - Signal Ground (Gnd)
8 - Data Carrier Detect (DCD)
9 - Data Terminal Ready (DTR)

Sep 30, 2008 | Computers & Internet

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