Appendix B: Environmental And Electrical Regulatory Data; Environmental Specifications - Nortel ISDN Signaling Link Description, Installation And Operation

Appendix B: Environmental and

Environmental specifications

Table 65
ITG temperature and humidity specifications
Specification
Recommended
Relative humidity
Absolute (less than 72 hours)
Relative humidity
Rate of change
Temperature cycling
ITG Trunk 2.0 ISDN Signaling Link (ISL)
electrical regulatory data
Table 65 lists measurements of performance under test conditions of
temperature and shock.
Minimum
Normal operation
°
15 C
10%
°
0 C
5%
Less than 1
°
0 C to 65
°
C per three minutes
° °
C, 1 C/min., three cycles
Description, Installation and Operation
Page 353 of 378
Maximum
°
30 C
55% (non-condensing)
°
45 C
95% (non-condensing)