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Preinstallation reference
105
Nortel Business Communications Manager 450 1.0
Installation — System
NN40160-301 01.04 Standard
July 2009
Copyright © 2006-2009 Nortel Networks
approved Class 2 power source. In Europe, the SAPS must be a Class II
power source and CE marked.
•
no bridge taps
Analog loop
You must meet the following parameters for an analog loop.
•
maximum DC loop resistance of 208
Ω
•
maximum cable length (0.5 mm or 24-AWG) of 1220 m (4000 ft.)
Содержание BayStack 450 Switch
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