The rules are standard from the 10/100BaseT Ethernet standard, which gives a max of 100m (328') from the switch to the end device. Remember that is the total cable length, so your cable "in the wall" needs to be shorter if there will be patch cables on one or both ends.
The rules are standard from the 10/100BaseT Ethernet standard, which gives a max of 100m (328') from the switch to the end device. Remember that is the total cable length, so your cable "in the wall" needs to be shorter if there will be patch cables on one or both ends.