Sonos ZP80 User Manual page 22

2-4
Setup illustrations (no open router port)
2. If you don't have an open port on your router, you can disconnect your computer
from the router and connect it to the ZonePlayer instead. Then you can connect
the ZonePlayer into the router port the computer was previously plugged into.
Note: To maintain your computer's security, do not connect the ZonePlayer directly
to your cable/DSL modem.
Chapter 2: ZonePlayer Setup and Operation