Surge Protective Device (SPD)

The SPD

Lightning protection principle
A lightning protection circuitry takes care about all different CPEs
Surge Protection Device
mains
mains
line
line
ISDN-NT
ADSL-NT
Customers premises
ISDN DSLAM
mains
PC etc.
line
lightning
230V cabinet

Advantages of the SPD
Easy installation, simply plug in
Overvoltage protection up to 10kV
Visual protection check with indicators
Fewer destroyed devices
Improves equipment availability
Increases customer satisfaction
Cost effective

Technical Specifications
CM = Common Mode acc. ITU-T K.2
DM = Differential Mode acc. ITU-T K.21

Possible Applications