beautypg.com

3 safety and protection, Safety and protection – Nokia DNT2Mi sp/mp User Manual

Page 120

background image

Data Network Terminal Single-port and Multiport Operating Instructions

120 (128)

© Nokia Corporation

DN01145897

Nokia Proprietary and Confidential

Issue 2-0 en

Note

The conditions listed in Section 5.1 must be fulfilled.

10.5.3

Safety and protection

Concerning protection and safety, DNT2Mi follows the requirements and
specifications listed below:

Table 23.

EMC requirements

EN 55022 class B (1994)

EN 55024 (1998)

EN 300386-2 (1998)

Table 24.

DNT2Mi safety and protection

AC power
supply

Electrical safety

EN 60950

Surge protection

4 kV common mode, 2 kV differential
mode according to EN 61000-4-5

DC power
supply

Dielectric strength

500 V

RMS

Surge protection

1 kV according to EN 61000-4-5

Line interface

Safety

EN 60950

Surge protection

1.5 kV according to ITU-T Rec. K.21

50 Hz common mode
test

600 V

RMS

common mode according to

ITU-T Rec. K.21