Operation and maintenance
EN: Safety guide
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Lucent Technologies - Proprietary
See notice on first page.
365-312-879R5.1
Issue 1, August 2006
1 - 3 1
Test voltage
CAUTION
Destruction of components due to test voltage of incorrect polarity or too
high
The use of test voltages above 6 V DC for measurements on circuit packs can cause
destruction of components and thus malfunctioning of the complete system.
Ensure that the test voltage does not exceed 6 V DC and that the test equipment is
connected with the correct polarity.
Climatic conditions
CAUTION
Damage to system components under extreme environmental conditions
Extreme environmental conditions can damage system components and cause
malfunctioning.
Ensure that the limits given in the section
“Climatic limits for the operation of
ADM (Universal shelf) and Metropolis
ADM (Compact shelf) equipment”
are complied with.
Climatic limits for the operation of
Metropolis
®
ADM (Universal shelf) and
Metropolis
®
ADM
(Compact shelf) equipment
These are the climatic limits for the operation of
Metropolis
®
ADM (Universal shelf) and
Metropolis
®
ADM (Compact shelf) systems:
Temperature range [°C]
Humidity
Environmental class compliance
–5 °C to +45 °C
5% to 90%
Compliant with ETSI 300 019-1-3, February 1992, and
Amendment A1, June 1997: Class 3.1E