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Ethernet
Connection
This section provides a high level discussion of the Ethernet connection to the switcher and a
primer on the subject of subnetting. Topics that are covered, include:
• Ethernet Link
• Subnetting — A Primer
Ethernet Link
The rear panel Ethernet connector on the MTPX Plus switcher can be connected to an
Ethernet LAN or WAN. This connection makes SIS control of the switcher possible using a
computer connected to the same LAN.
Ethernet Connection
The Ethernet cable can be terminated as a straight-through cable or a crossover cable and
must be properly terminated for your application (see figure 90).
• Crossover cable — Direct connection between the computer and the
MTPX Plus switcher
• Patch (straight-through) cable — Connection of the MTPX Plus switcher to an
Ethernet LAN
A cable that is wired as T568A at one end
and T568B at the other (Tx and Rx pairs
reversed) is a "crossover" cable.
A cable that is wired the same at both ends is
called a "straight-through" cable, because
no pin/pair assignments are swapped.
12345678
RJ-45
Connector
Insert Twisted
Pair Wires
Pins:
Crossover Cable Straight-through Cable
Pin
1
2
3
4
5
6
7
8
Wire color
White-green
Green
White-orange
Blue
White-blue
Orange
White-brown
Brown
Wire color
T568A T568B
End 1 End 2 End 1 End 2
White-orange
Orange
White-green
Blue
White-blue
Green
White-brown
Brown
Pin
1
2
3
4
5
6
7
8
Wire color
White-orange
White-green
Blue
White-blue
White-brown
Brown
Wire color
T568BT568B
White-orange
OrangeOrange
White-green
Blue
White-blue
GreenGreen
White-brown
Brown
Figure 90. RJ-45 Connector Pinout Tables
Default IP Address
To access the MTPX Plus switcher via the LAN port, you need the IP address of the switcher.
If the address has been changed to an address comprised of words and characters, you can
determine the actual numeric IP address using the ping utility. If the address has not been
changed, the factory-specified default is 192.168.254.254.
Ping can also be used to test the Ethernet link to the MTPX Plus switcher.
MTPX Plus Series • Ethernet Connection 146