Telephone Surge Protector

Transient over voltages can be caused by lightning, coupling from power-line surges and induction from nearby loads such as motors or factory equipments. Data lines that runs near power, control or telephone cables are subject to short duration pulses of which could reach several thousand volts. The DB25 surge protector intercepts the transient surges that attack your parallel or serial printer or PC port through the interface cable. The method of surge protection used here adds four benefits to your system.