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Crossover Cable
The crossover cable can be used to connect
Switch to switch
Hub to hub
Host to host
Hub to switch
Router direct to host
The same four wires are used in this cable as in the straight-through cable; we just connectdifferent pins together. Fig. 8 shows how the four wires are used in a crossover Ethernet cable.
Notice that here we connect pins 1 to 3 and 2 to 6 on each side of the cable.
Fig. 8
Rolled Cable
Although rolled cable isnt used to connect any Ethernet connections together, you can use a
rolled Ethernet cable to connect a host to a router console serial communication (com) port with
additional converter. If you have a C isco router or switch, you would use this cable to connect
your PC running HyperTerminal to the Cisco hardware. Eight wires are used in this cable to
connect serial devices, although not all eight are used to send information, just as in Ethernet
networking. Fig. 9 shows the eight wires used in a rolled cable.
Fig. 9
Once you have the correct cable connected from your PC to the C isco router or switch, you can
start HyperTerminal to create a console connection and configure the device. Set the
configuration as follows:
Bits per second: 9600
Data bits: 8
Parity: none
Stop bits: 1
Flow control: none
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