2 C HAPTER 1: B EFORE YOU B EGINhard disk space; (2) applications running simultaneouslywith the modem which use varying amounts of yourcomputer’s resources; (3) the capacity of the Internetservice you order from your provider; (4) the level ofnetwork traffic, which varies depending on when andwhere you go online.Contacting Your Local Cable Service ProviderIn order to use your cable modem, you need to set up anInternet access account with your local cable serviceprovider.Before contacting your provider to set up an account, havethe following information handy: The modem’s serial number. The serial number appearson the white bar code label on the back of the modemand consists of 10 characters preceded by the text“SN=”. In the following example label image, the serialnumber is 6LZ1377410. Media Access Control (MAC) address. The MAC addressappears on the white bar code label on the back of themodem and consists of 12 characters preceded by thetext “EA =”. In the following example label image, theMAC address is 00104B377410. Write both of thesenumbers in the following blanks for future reference.Serial number: SN= __________________MAC address: EA = __________________You should now contact your local cable service providerand verify that: The cable service to your home supports two-waycable modem access. If your cable service providerdoes not provide two-way service, this modem will not