I used a tester to test the patch cables I've used. They seem to be fine. I was advised to punchdown keystone jacks on both ends of the cable then use patch cable for the final leg. I've ensured the patch cable are cat5e and router/pc are gigabit ethernet capable.
The same pc syncs at 1gb on a different link connected to the same router.
When I put the tester on, pins 1 and 8 didn't light up on both the master unit and the remote. As far I can see I punched them down as far they can go. Also the keystone on the pc end is toolless so the caps should punch them down for me. Yet only 100mb ethernet.