
P-660R-Tx v2 Series User’s Guide
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1Connect a phone cable from the wall jack to the single jack end of the Y- Connector.
2Connect a cable from the double jack end of the Y-Connector to the “wall side” of the
microfilter.
3Connect another cable from the double jack end of the Y-Connector to the ZyXEL
Device.
4Connect the “phone side” of the microfilter to your telephone as shown in the following
figure.
Figure 96 Connecting a Microfilter
ZyXEL Device With ISDNThis section relates to people who use their ZyXEL Device with ADSL over ISDN (digital
telephone service) only. The following is an example installation for the ZyXEL Device with
ISDN.