User`s guide

INSTALLATION
Surge voltage arrester
e
if the line is exposed to th
lightning, we advise to use
an over voltage arrester at
each end of the line.
We have selected the Phoenix Contact
module TT-2-PE-24D; it must be wired as
indicated opposite.
ine cable shield :
the shield must be connected to the earth; only at
L
If the line is shielded,
one end if it is not interrupted along the line.
Failsafe ring SHDSL switch User’s guide ref 9014809-03
Page 19