
Equipment Physical Design Standards ATT-TP-76200, Issue 19
AT&T Services, Inc. June 2014
Equipment shall operate properly when exposed to electrical noise, shall comply with
the conformance criteria and test results shall be recorded in a test report as described
in ATIS-0600315. Voiceband noise shall only apply to equipment with analog
voiceband ports effective with GR-1089-CORE.
7.8.2 Noise returned by the telecommunications load equipment
Equipment shall not return excessive noise onto the DC power system, the equipment
shall comply with the conformance criteria and test results shall be recorded in a test
report as described in ATIS-0600315. Requirement 5.6.2.1, Voice Frequency Noise
Requirements are no longer required effective with GR-1089-CORE Issue 6.
8. Airborne Contaminants
Controlled Environments
Equipment intended for installation in controlled environment spaces shall meet the
Airborne Contaminants requirements for indoor equipment as stated in section 4.5 of GR-
63-CORE.
A. Carrier Grade Equipment shall conform to the MFG test performed for 14 days as
detailed in Telcordia GR-63, Issue 3.
B. OSP/CELL-SITE Huts, CEVs and sealed GR-487-type cabinets are considered a
controlled environment and shall conform to the MFG test performed for 14 days as
detailed in Telcordia GR-63.
Uncontrolled Environments (OSP/CELL-SITE)
A. Equipment intended for use in Class 2, 3 and 4 OSP environments (i.e., unsealed
cabinets installed on pads or poles) with no filtration shall meet GR-63-CORE, OSP
Airborne Contaminants requirement R4-100, Section 4.5.2.1 for outdoor equipment.
B. Equipment intended for use in sealed Class 2 cabinets shall meet GR-63 indoor
Airborne Contaminants requirements
.
C. Class 4 Equipment shall meet the Salt Fog Exposure requirements of GR-3108-CORE,
Section 6.1.
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