I haven't bothered to check because the home network stays up (i.e. all my computers can talk to each other and the printer). Of course I suppose it COULD be on the INPUT end of the router, but honestly, if the everyting connected through the router is still connected, it's probably either the cable modem itself, or the signal is lost going TO the cable modem.
To be sure, next time it goes out, I'll bypass the router and go directly from the cable modem to my desktop.
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