ISDN adapters are devices required to establish an ISDN or integrated services digital network connection – a digital connection that offers a faster option to transmitting data than the traditional modem.

Because ISDN connections are digital, they that can be used to connect several computers to the Internet at one time without the hassle of decreased transmission speed. As a result of increased data transmission speed and communication integration, ISDN allows businesses to establish a more efficient workplace. There are several types of ISDN terminal adapters available including the following:

1. ISDN terminal adapters are available as modules in a router.

2. ISDN adapters can be installed into a PC as network cards.

3. An ISDN adapter for computers can also be an external device that connects to the computer’s serial systems.

Action Steps
The best contacts and resources to help you get it done

Compare prices on ISDN adapters

ISDN port adapters for routers provide flexible networking solutions allowing business owners to maximize router efficiency for ISDN. Additionally, you can update your current analog system by purchasing ISDN converters. An ISDN adapter that requires a network card is generally the most expensive of the three types of adapters. These devices can quickly convert your analog phone system so that it is compatible with ISDN service.

I recommend: Cisco is a global provider of reliable and advanced telecommunications solutions that offers a range of ISDN adapters. You may also consider contacting PC Universe to buy an ISDN adapter for computers.

Regularly update drivers for ISDN adapters

To obtain the highest level of system performance, you will need to install and regularly update drivers for your ISDN terminal adapters. You can obtain the most recent driver versions by visiting the adapter's manufacturer's website or by downloading from online computer equipment and software vendors.

I recommend: Check out SoftLookup, an online directory that lists ISDN adapters manufactured by a range of companies. You may also consider visiting Modem-Drivers.com to download drivers for ISDN computer adapters.

Find suppliers of ISDN terminal adapters

Like a standard external modem, external ISDN adapters simply plug into the serial port of the PC. This type of ISDN adapter is easier to install than internal ISDN adapters, which requires you to confirm that your system has adequate physical and logical resources to support the ISDN connection. Consult with suppliers for assistance in determining the right ISDN adapter for computers for your business.

I recommend: Check out CDW to buy an ISDN computer adapter. You may also consider reviewing prices offered by Office Depot, a large U.S. supplier of ISDN terminal adapters and other business equipment products.

Tips & Tactics

Helpful advice for making the most of this Guide

• •  Installing ISDN adapters can generally be done quickly. If you install more than one ISDN adapter, be sure to restart your PC after installing the drivers for your ISDN adapters. This step is crucial because it will ensure that all available ISDN ports show up when you configure your ISDN network connection.