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Data Network Terminal Single-port and Multiport Operating Instructions
120 (128) © Nokia Corporation DN01145897
Nokia Proprietary and Confidential Issue2-0en
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