Page398 of 544 NT8D15E&M TrunkCard
553-3011-100 Standard14.00 January 2002
Technical summary
Power requirements
Power requirements for the NT8D15 E&M Trunk Card are specified in
Table121.
Environmental specifications
Environmental specifications are provided in Table122.
Foreign and surge voltage protection
The E & M trunk circuit meets CS03 over voltage (power cross)
specifications.
Table 1 21
Power requirements
Volt age Toler ance Idle
Current
Active
Current
+/- 15.0 V DC +/- 5% 200mA 200 mA
+ 8.5 V DC +/- 2% 200 mA 200 mA
- 48.0 V DC +/- 5% 415 mA 415 mA
+5.0 V DC N/A N/A N/A
Table 1 22
Environmental specifications
Parameter Specifications
Operating temperature 0-50 degrees C, ambient
Operating humidity 5 to 95% RH (non condensing)
Storage temperature -40 to +70 degrees C