Hello Treg, You should also consider ETS 300 386-1 for immunity of telcom products.
Noel Verbiest. Cisco. >Dear Treg, > > >After reviewing immunity and telecom documents concerning surge >requirements and compatibilty of telecommunications terminal equipment, >several questions have arisen: > > >1. IEC 1000-4-5, EN 61000-4-5, and prEN 55024 define requirements for >surge to voltage levels of 4.0 kV. As I understand these test procedures, >telecommunications terminal equipment is tested to 1.5 kV without external >protection. For levels which exceed 1.5 kV, a primary protection circuit >is installed between the surge generator and the terminal equipment. Is >this understanding correct? > 1a. If this understanding is correct, can anyone provide a >reference for this primary protection? > >2. Can someone provide a reference for Israel's surge requirements? > >3. Are there any international or country specific surge requirements >(longitudinal or metallic) which exceed a voltage amplitude of 2 kV >(without primary or other external protection)? > > >Any assistance with these questions will be greatly appreciated. > >Thanx, in advance, for any assistance. > > > >Mark Murphy >Motorola ISG
