Nortel-networks Circuit Card Manuel d'utilisateur Page 654

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Vue de la page 653
Page 654 of 906 NT8D15 E&M Trunk card
553-3001-211 Standard 3.00 August 2005
Power requirements
Table 204 lists the power requirements for the E&M trunk card.
Environmental specifications
Table 205 provides the environmental specifications for the E&M trunk card.
Foreign and surge voltage protection
The E&M trunk card meets CS03 over-voltage (power cross) specifications
and FCC Part 68 requirements.
Table 204
Power requirements
Voltage Tolerance Max current
+15.0 V dc ±5% 200 mA
–15.0 V dc ±5% 200 mA
+8.5 V dc ±2% 200 mA
–48.0 V dc ±5 % 415 mA
Table 205
Environmental specifications
Parameter Specifications
Operating temperature 0 to +60 degrees C
(32 to +140 degrees F), ambient
Operating humidity 5 to 95% RH (non-condensing)
Storage temperature –40 to +70 degrees C
(–40 to +158 degrees F)
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