In article .com,
"w_tom" wrote:

An obsolete protector that is creating noise is responsibility
of the building owner

This is incorrect. Telco protectors are the responsibility of the telco.

and should be removed.

This is also incorrect and potentially dangerous. Without circuit protection,
the phone line and any equipment connected to it are vulnerable to voltage
surge damage and/or destruction.

It's function has been replaced
by a superior device inside NID.

If manipulating the obsolete protector "cleared-up" his trouble temporarily,
it has NOT been replaced - it is still being used.

If/when the telco replaces the old protector, they should install a Standard
Network Interface Device that usually includes a NEW protector. At that time,
the old, abandoned equipment SHOULD (note "should") be removed. Some
less-than-enthusiastic technicians simply abandon the old stuff "in place".
(They leave it mounted but it is disconnected.)
--

JR