2. System Overview, Features, and Specifications System Manual
Page 2-10 8/09 76.7300FP11/2, Rev A
Environmental Specifications
2.24 The Tellabs 7345 Switch and the Tellabs 7325 Switch are designed to
meet both NEBS and ETSI standards for the following environmental
specifications:
• Environmental Operational Ranges, Table 2.5, page 2-10
• Electromagnetic Compatibility (EMC), Table 2.6, page 2-12
• Health And Safety, Table 2.7, page 2-12
2.25 The Telcordia references in this section apply to the issues of Telcordia
GR-63-CORE, “NEBS Requirements: Physical Protection,” and Telcordia
GR-1089-CORE, “Electromagnetic Compatibility and Electrical Safety,” available
at the date of product release.
Table 2.5 Environmental Operational Ranges
Description Specification NEBS Standard ETSI Standard
Central Spatial Requirements Meets criterion of the
listed standard
GR-63-CORE, 2 ETSI TR 102 489
Thermal Management
Guidance for
Equipment and its
deployment
Operating Temperature 23
°F to +104°F
(-5
°C to +40°C)
GR-63-CORE, 4.1.2 ETSI EN 300 019-2-3
T 3.2 Environmental
test specifications:
Stationary use at
weatherproofed
locations.
Temperature-
controlled locations.
Operating Thermal, Short
Term
1
23°F to 122°F
(-5
°C to 50°C)
Short-term = 96 hours
maximum
Maximum Rate of Temperature
Change
86
°F (30°C) per hour
(0.5
°C) per minute
GR-63-CORE, 4.1.2 ETSI EN 300 019-2-3
T 3.2 Environmental
test specifications:
Stationary use at
weatherproofed
locations.
Temperature-
controlled locations.
Operational Humidity 5 percent to 85 percent GR-63-CORE, 4.1.2 ETSI EN 300 019-2-3
T 3.2 Environmental
test specifications:
Stationary use at
weatherproofed
locations.
Temperature-
controlled locations.