Ethernet connection & Password

[#1]

In a recent post regarding a ethernet connection to a TV someone mentioned a password was only required if it was a wifi connection is that correct ?

I ask because I have a internet radio connected direct to the modem via a ethernet cable but it was necessary to enter the modem password before it would connect.

[#2]

@gleneagles yes password is only for the WiFi 

My TV and sons PS4 connect via homeplugs without any passwords

[#3]

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wrote:

In a recent post regarding a ethernet connection to a TV someone mentioned a password was only required if it was a wifi connection is that correct ?

I ask because I have a internet radio connected direct to the modem via a ethernet cable but it was necessary to enter the modem password before it would connect.

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There are two modem/router passwords. One is exclusively for wireless and the other gets you into the admin pages. So which did the radio require? Has it also got a wireless interface that you aren’t aware of? Try disconnecting the Ethernet lead and see if it still works.