Wired 8V doorbell Chime

[SUNRAY]

One of the problems is we were using 'telephone wire' long before CAT standards were introduced. I'll make the guess the 'standard' was written to match the existing cable.

 

[morqthana]

UTP categories.
View attachment 313858

Unshielded Twisted Pair (UTP) - CAT 1 to CAT5, 5e, CAT6 & CAT7

UTP Cable characteristics. Learn about UTP CAT1-6 Cable specifications, speeds, pinouts & technologies that use them. Newer Cat5, Cat5e & Cat6, Cat6a, Cat7 are

www.firewall.cx

I asked for a spec for Category 1, not a chart produced by a networking company which perpetuates the unofficial retrospective renaming of old cables.

i.e. specifications for TIA/EIA Category 1 cable.

 

[SUNRAY]

I asked for a spec for Category 1, not a chart produced by a networking company which perpetuates the unofficial retrospective renaming of old cables.

i.e. specifications for TIA/EIA Category 1 cable.

Well why don't you go look for that yourself then?

 

[morqthana]

Can't find something which doesn't exist.