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ITG Trunk 2.0 ISDN Signaling Link (ISL) Description, Installation and Operation
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Appendix B: Environmental andelectrical r e
g
ulatory data

Environmental specifications

Table 65 lists measurements of performance under test conditions of
temperature and sho ck .
Table 65
ITG temperature and humidity specifications
Specification Minimum Maximum
Normal operation
Recommended 15° C30
° C
Relative humidity 10% 55% (non-condensing)
Absolute (less than 72 hours) 0° C45
° C
Relative humidity 5% 95% (non-condensing)
Rate of change Less than 1° C per three minutes
Temperature cycling 0° C to 65° C, 1° C/min., three cycles