Zyxel-communications 650 Series Manuel d'utilisateur télécharger pdf (Page 489)

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101

Prestige 650 Series User’s Guide

Splitters and Microfilters G-1

Appendix G

Splitters and Microfilters

This appendix tells you how to install a POTS splitter or a telephone microfilter.

Connecting a POTS Splitter

When you use the Full Rate (G.dmt) ADSL standard, you can use a POTS (Plain Old Telephone Service)

splitter to separate the telephone and ADSL signals. This allows simultaneous Internet access and telephone

service on the same line. A splitter also eliminates the destructive interference conditions caused by

telephone sets.

Install the POTS splitter at the point where the telephone line enters your residence, as shown in the

following figure.

Diagram G-1 Connecting a POTS Splitter

Step 1. Connect the side labeled “Phone” to your telephone.

Step 2. Connect the side labeled “Modem” to your Prestige.

Step 3. Connect the side labeled “Line” to the telephone wall jack.

Telephone Microfilters

Telephone voice transmissions take place in the lower frequency range, 0 - 4KHz, while ADSL transmissions

take place in the higher bandwidth range, above 4KHz. A microfilter acts as a low-pass filter, for your

telephone, to ensure that ADSL transmissions do not interfere with your telephone voice transmissions. The

use of a telephone microfilter is optional.

Step 1. Connect a phone cable from the wall jack to the single jack end of the Y- Connector.

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Zyxel-communications 650 Series Manuel d'utilisateur Page 489

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