Netgear DGND4000 User Manual download pdf (Page 18)

Hardware Setup

N750 Wireless Dual Band Gigabit ADSL Modem Router DGND4000

Also be aware that when you use multiple access points, it is better if adjacent access points

use different radio frequency channels to reduce interference. The recommended channel

spacing between adjacent access points is five channels (for example, use Channels 1 and

6, or 6 and 11).

ADSL Microfilters

If this is the first time you have cabled a wireless router between an ADSL phone line and

your computer or laptop, you might not be familiar with ADSL microfilters. If you are, you can

skip this section and proceed to Cable Your N750 Wireless Modem Router on page 19

An ADSL microfilter is a small inline device that filters ADSL interference out of standard

phone equipme

nt that shares line with your ADSL service. Every telephone device that

connects to a telephone line that provides ADSL service needs an ADSL microfilter to filter

out the ADSL interference. Example devices are telephones, fax machines, answering

machines, and caller ID displays. Not every phone line in your home necessarily carries

ADSL service. That depends on the ADSL service setup in your home.

Note: Often the ADSL microfilter is included in the box with the wireless

modem router. If you purchased the wireless modem router in a

country where a microfilter is not included, you have to acquire the

ADSL microfilter separately.

One-Line ADSL Microfilter (Not Included)

Plug the ADSL microfilter into the wall outlet and plug your phone equipment into the jack

labeled Phone. The wireless modem router plugs directly into a separate ADSL line. Plugging

the wireless modem router into the phone jack blocks the Internet connection. If you do not

have a separate ADSL line for the router, the best thing to do is to use an ADSL microfilter

with a built-in splitter.

Plugs into ADSL line

Figure 5. One-line ADSL microfilter

Second best when you do not have a separate ADSL line for the router is to get a separate

splitter. To use a one-line filter with a separate splitter, insert the splitter into the phone outlet,

connect the one-line filter to the splitter, and connect the phone to the filter.

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Netgear DGND4000 User Manual Page 18