Nortel Circuit Card Installation Manual page 75

Power consumption
The SDI cards obtain their power directly from the module backplane. Power
consumption for each of the cards is shown in Table 10.
Table 10
Power consumption
Voltage
+5 VDC ±5%
+12 VDC ±5%
–12 VDC ±5%
Environmental
The SDI cards operate without degradation under the conditions listed in
Table 11.
Table 11
Environmental specifications
Specification
Ambient temperature
Relative humidity
(non-condensing)
Altitude
Electrostatic discharge
The SDI cards meet the requirements of the IEC 801-2, clause 8.0 procedure.
They can withstand a direct discharge of ±5 to ±20 kV without being
damaged.
Maximum power consumption
NT8D41BA QPC513
1.0 Amp 3.0 Amp
100 mA
100 mA
Operation
0° to 50°C;
(32° to 122°F)
5% to 95%
3500m;
(11000 ft)
Circuit Card
Overview Page 75 of 906
QPC841
1.5 Amp
50 mA 100 mA
50 mA 100 mA
Storage
–55° to +70°C;
(–58° to 158°F)
0% to 95%
15000m;
(50000 ft)
Description and Installation