Lightning Protection - Nortel Meridian 1 Planning And Installation Manual

Page 414 of 590

Lightning protection

553-3021-209 Standard 1.00
Appendix B – Additional information for installations in Germany
Electromagnetic compatibility (EMC)
Table 75 shows EMC specifications for the Meridian 1 Option 11C Mini.
Table 75
Option 11C Mini EMC specifications
Emission: EN 55022 Class B
Immunity: EN 61000-4-2
EN 61000-4-3
EN 61000 4-4
If a cable that connects to any of the circuits in Table 76 runs into a building
through an external cable run, approved surge arresters must be installed at
the cross-connect terminal.
Table 76
Circuits
NT5K02 XFALC
NT5K96 XFALC
NT5K36 XDID
NT5K70 XCOT/8
NT5K71 XCOT/4
NT5K72 XFEM
NT8D02 XDLC
The system planner must make sure that all connections are protected from
the risk of lightning.
July 1999
(VDE 0878 Part 3)
Electrostatic discharge
Electromagnetic field
Fast transient burst
Flexible analog Line card
Flexible analog Line card,
non-message waiting
Direct Inward Dial (DID) trunk card
8-unit Central office trunk card
4-unit Central office trunk card
E&M trunk card; RAN, MUS, PAG, TIE
EM4
Digital Line card