ZyXEL Communications P-661HW User Manual page 302

P-661H/HW Series User's Guide
cable modems, transmission speeds drop significantly as more users go on-line because
the line is shared.
3 ADSL can be "always on" (connected). This means that there is no time wasted dialing up
the service several times a day and waiting to be connected; ADSL is on standby, ready
for use whenever you need it.
302 Appendix B