Aruba 2930M Installation And Getting Started Manual page 53

connected to the switch by straight-through or crossover twisted-pair cables. Either cable type can be used
because of the IEEE Auto MDI/MDI-X features on the switch.
Figure 17: Example as a desktop switch implementing PoE
This illustration is an example of the switch being configured to supply PoE power to end devices such as IP
telephones and wireless access points (WAPs).
As shown in this figure, the IP telephones can be connected in line, that is, between the switch and the end
device, in this case a PC. The IP telephones in this illustration have two ports, one in and one out. Therefore the
phone receives voice and power from the switch, and the PC can send and receive data through the phone to the
switch.
The end node devices are connected to the switch by straight-through or crossover twisted-pair cables. Either
cable type can be used because of the IEEE Auto MDI/MDI-X features on the switch.
Figure 18: Example as a segment switch
The switch also works well as a segment switch. That is, with its high performance, it can be used for
interconnecting network segments. Simply connect the network hubs that form those segments to the switch or
you can also connect other switches.
In the preceding illustration, two fast Ethernet hubs with PCs, printers, and local servers attached, are both
connected to a switch. The devices attached to the two hubs can now communicate with each other through the
switch. They can also all communicate with the server that is connected to a 1000Base-T port on the switch.
Chapter 3 Installing the switch 53