DSL
Sharing Configuration
DSL Sharing
Here are some common ways of sharing your DSL line. You may search these setups for your modem or computer. Also see wiring sites for some places on the net to visit to help with other issues to do with CAT5 cable, wiring and sockets.
1.
Basic Config (unshared)
This is the most simple (and cheapest) DSL setup. Only one device can use the Internet. The DSL modem is a bridge type. This type of setup can either be an external modem, a USB modem (the blue line is therefore a URB cord) or the modem can be an INTERNAL card that goes into the computer. Despite the caption, this can also be a PPPoE setup.
2.
Add Ether to Ether firewall
Where there is an ethernet cable (blue), insertion of a firewall device can increase security. With a USB, or internal modem, it is not possible to buy and use an ether to ether hardware firewall.
3.
Combined DSL Modem/Router
Some more expensive DSL equipment is all-in-one, combining the DSL connectivity, a hub, and a configurable firewall/internet share setup. These boxes are intelligent, offering their own configuration options and interface, and obviously the hub on the back allows device to be plugged in, or, connect a larger small office hub, and the all-in-one device can be set to provide internet service to 16, 32 or even 255 internal computers.
4.
Single Gateway Computer
A simple DSL modem can still be used to share the line with multiple PCs, as long as you are prepared to setup a hub and put two ethernet cards in the gateway PC, as well as run some gateway software (usually, a NAT product). OR, with just two PCs (this picture), you can do without the hub by using a crossover cable instead.
5.
Internal or USB modem
Here is the internal ADSL modem setup (usually, a PCI card, or perhaps your PC comes built-in with a G.lite DSL modem). In this case, sharing is a little more difficult, but still possible with an additional ethernet card, and a hub.
6.
Multiple PCs
With extra IP address for a small fee, or even for free, in which case, you can run a setup like this. In other words, sharing your DSL connection becomes very simple - just plug as many PCs as the provider will allow into a hub, and the (external) ethernet DSL modem into the same hub. You need to use a CROSS-OVER cable to plug DSL equipment into a hub, or possibly the modem has a special socket for use with a hub rather than a PC.
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