ZyXEL Communications P-660HW-D Series - Manual (Page 293)

P-660HW-D Series User’s Guide
Appendix J Splitters and Microfilters 292
ZyXEL device With ISDN
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 177 ZyXEL device with ISDN