Nortel Meridian 1 Manual page 12

Table 4
NT5K18BA Power requirements
Environmental specifications
Table 5Table 1-5
NT5K18BA Environmental specifications
Pad switching
Intelligent peripheral equipment circuit cards for New Zealand
Voltage
+ 15.0 V dc (See note 1)
+ 8.5 V dc (see note 2)
- 48.0 V dc
+ 5.0 V dc
Note 1: Analog circuitry is powered with +/- 12V generated from
+/- 15V.
Note 2: 8.5V is regulated to provide 5V.
Table 5 lists the environmental specifications of the NT5K18BA Central
office trunk card.
Parameter
Operating temperature
Operating humidity
Storage temperature
Loss values for the NT5K18BA Central office trunk card are given in Table 6.
NT5K93 Central office trunk circuit card
Active current
330 ma
70 ma
30 ma
250 ma
Specifications
0 to 50 degrees C, ambient
5 to 95 % RH (non-condensing)
- 40 to + 70 degrees C
Option 11 - Description and Instal-
Page 7 of 44