ZyXEL Communications HW-D Series User Manual

P-662H/HW-D Series User’s Guide

464

Appendix N Splitters and Microfilters

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

2 Connect a cable from the double jack end of the Y-Connector to the “wall side” of the 

microfilter.

3 Connect another cable from the double jack end of the Y-Connector to the ZyXEL 

Device.

4 Connect the “phone side” of the microfilter to your telephone as shown in the following 

figure.

Figure 269   Connecting a Microfilter

This 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.

Figure 270   ZyXEL Device with ISDN