AT&T Classic Mail Design Package 1.6 Manual de usuario Pagina 34

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Equipment Physical Design Standards ATT-TP-76200, Issue 19
AT&T Services, Inc. June 2014
Fan Filter Requirements
A. Carrier Grade Equipment larger than 1U located indoors, except for power source
equipment (e.g. rectifiers, etc.) shall conform to the fan filter requirements contained in
GR-63-CORE
B.
Carrier Grade Equipment 1U or smaller located indoors will be accepted without
fan filters.
C.
OSP/CELL-SITE Equipment
Network Elements and/or other electronic equipment deployed inside GR-487
compliant cabinets with a:
I. GR-3108 Class 1 compliant environment shall be equipped with fan filters that meet
or exceed the requirements of Telcordia GR-63-CORESection 4.1.5.2 requirements
for air filters.
II. GR-3108 Class 2 compliant environment shall not be equipped with fan filters.
III. GR-3108 Class 3 compliant environment shall not be equipped with fan filters.
IV. GR-3108 Class 4 compliant environment is N/A.
D. GR-63-CORE, Objective 04-25 for fan filter alarms shall be a requirement.
Copyright ©2014, AT&T . All Rights Reserved.
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