Sonos ZonePlayer 90 Guide D'installation page 33

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3. Check the wiring
Check the link/activity lights on both the router and the ZonePlayer. They should be
green, and there should be blinking activity lights.
• If the green link lights are not lit, try connecting to a different port.
• If the link lights still do not light, try connecting a different Ethernet cable.
When adding the handheld Sonos Controller, it fails to detect the
ZonePlayer(s)
Wireless interference or a network problem may be preventing the Controller from
joining your Sonos Multi-room Music System.
1. Verify that this is not a DHCP or network problem.
• Disconnect the Ethernet cable from the back of the ZonePlayer so that it is not
connected to your network.
• Unplug the ZonePlayer's power cord and then plug it back in.
• When the status indicator light on the front of the ZonePlayer stops blinking
white, try adding your Controller again.
If it works, your router's DHCP server may have run out of available IP addresses to assign
to the Controller. In most cases you can log into your router by typing http://192.168.1.1
into your browser's address line (the IP address of your router may be different). Check
the DHCP settings and increase the number of IP addresses available in the DHCP scope.
If your Controller still does not recognize the ZonePlayer after completing this step, you
can try step 2 below.
Sonos ZonePlayer 90 Setup Guide