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Mac OS X Leopard - ARCAism

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Usually those three steps should get you connected (just click the Connect button and try it).<br />

Occasionally, though, your ISP will require some additional advanced options to be set up.<br />

Clicking the Advanced button will provide a sheet containing five tabs for setting advanced<br />

options. Of these five tabs, unless you have specific networking needs, you most likely need to<br />

adjust the settings on the Modem tab if you are having trouble connecting.<br />

NOTE For dial-up connections using your mobile phone’s data connection, the phone number<br />

can vary from something like 99# to the APN used by your mobile access provider.<br />

The Modem tab provides different information depending on your dial-up device. For a<br />

POTS modem (Figure 9-2), some common items you may need to adjust are the Model list that<br />

selects the proper modem script to initialize you modem. Ideally this should be set to Apple<br />

Modem (v.92) for an external Apple modem or to Internal 56K Modem (v.92) if you have an<br />

internal modem. However, your ISP’s modem must be v.92 compliant for this connection (most<br />

today are). If you are having trouble connecting, you may need to fall back to an older modem<br />

protocol, so try the v.90 option, the v.34 option, and so on. The other option here that may<br />

affect the connection is the “Enable error correction and compression in modem” option. This<br />

option, when selected, provides added performance, but this must also be supported on your<br />

ISP’s modem for it to work.<br />

Figure 9-2. The advanced Modem options for a POTS modem<br />

CHAPTER 9 CONNECTING TO THE INTERNET 159<br />

If you are setting up a Bluetooth dial-up modem, then the Modem options will be different<br />

(Figure 9-3). The model you select must correspond with your Bluetooth device; thankfully,<br />

<strong>Leopard</strong> adds support for most popular Bluetooth-enabled modems. Additionally, there is a<br />

place to enter your APN here.

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