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