And European Chassis Configuration - Zhone IMACS 8000 User Manual

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U.S. and European Chassis ConfigurationIMACS 8000 Chassis Description
3.3 U.S. and European Chassis Configuration
The chassis can be configured to comply with either U.S. (domestic) or European electrical
safety standards by setting a jumper inside each chassis. Refer to Chapter 3. Installation for
details.
In order to meet the safety requirements of 73/23/EEC, it was necessary to increase the
separation of the backplane traces for -12VDC and -48VDC. This was accomplished by
creating a second -12VDC trace that has sufficient separation from the -48VDC trace. Cards
and chassis have been designed with a CE Mark compliant jumper to allow the user to select
which trace to use. The jumper has two positions "US" and "EUR".
Set all jumpers according to the compliance required: EUR for CE Mark compliance or US
for UL/GR-1089 compliance.If there is a mismatch of the cards and chassis jumper settings,
the cards will not power up correctly.
Note: Some cards such as IF, WAN, and HSU are compliant to both CE Mark and
EL/GR-189 compliance safety standards, but do not have the jumper because they do
not use 12 VDC. These cards can operate with the chassis jumper set to either
position.
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