I have a fibre connection and a TELUS Wi-Fi Hub modem/router.
If I put the modem into bridge mode, will the coax cable outputs still work?
Bridging should only affect LAN 1. Try it. Worst case, you can return it to the default setting.
Is there a manual somewhere for the modem/router? I'm a technical kind of guy and would love to read the actual documentation instead of experimenting.
I haven't come across a manual for the wifi hub yet. The manufacturer doesn't offer one either.