Product Description

Product Description
92 (98) © Nokia Corporation Draft DN991444
Nokia Proprietary and Confidential Issue 3-0 en Draft
Note
The Nokia MetroSite EDGE BTS is designed to meet GR-63-CORE (NEBS) and
GR-487-CORE only when fitted with the WCUA type cover (high impact
polycarbonate).
8.4.5 Base station interface equipment - related recommendations and
standards
The standards and recommendations related to base station interface equipment
are described in this section.
Table 35. Mechanical standards
Standard Description
EN 60659
BS 5490
Degree of Protection Provided by Enclosures (IP Code)
ISO 3744, 1988 Acoustics determination of sound power levels of noise
sources: Engineering methods for special reverberation test
rooms
ETS 300 753 Acoustic noise emitted by telecommunications equipment
IEC 68-2-57: 1989 Environmental Testing Part 2: Test Methods Ff: Vibration
Time-history Method.
GR-63-CORE:1995 Network Equipment-Building System (NEBS): Physical
Protection
GR-487-CORE Corrosion Resistance - Temperature Cycling/High Humidity
Table 36. Flexbus interface
Standard Description
ITU-T G.704 (10/94) Synchronous frame structures used at primary and
secondary hierarchical levels
ITU-T G.706 (1991) Frame alignment and cyclic redundancy check (CGC)
procedures relating to basic frame structures defined in
Recommendation G.704