To connect
your access point to the Internet, use a straight-through
Ethernet cable to plug the access
point's WAN port into your cable modem, DSL modem,
router, or whatever piece of equipment in your home or office that is
responsible for providing Internet access. After you plug it in, turn
on the access point's switch (assuming it has one
— some access points can only be powered down by unplugging
them), and it will power up, perform its initialization, and then
request a DHCP address from the cable or DSL modem or router.
You may need to reboot your cable or ADSL/DSL modem in order for the
access point to obtain an IP
address. This is especially important in cases where the modem was
initially connected directly to the PC and may have locked itself to
the MAC address of the PC (see Locking MAC Addresses in Chapter 2).