TelegramRS-232/422/485 protection against impulse noise
ISD series stabilizers are designed to protect serial data lines of RS-232, RS-422 and RS-485 interfaces. ISD-1100-T modules with surge protection up to 4 kV are optimal for use in office or server rooms. ISD-1200-T devices (surge protection up to 20 kV) are suitable for use in harsher environments, on the streets or near power equipment
