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Whenever possible, install external power equipment before the system installation. If reserve power equipment is used, install it according to the manufacturer’s instructions.

To install telephones and attendant consoles, see Telephones and Consoles: Description, Installation, and Operation (NN43001-567).

System installation must be performed by qualified personnel only.

NN43021-310 Standard 02.01 December 2007

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Nortel Networks 1000M warranty 32 of 456 Introduction