Nortel Networks 553-3001-211 manual 784 of 894 NTCK16 Generic Central Office Trunk cards

Page 784 of 894 NTCK16 Generic Central Office Trunk cards

Electrical specifications

Power requirements

Table 251 shows the power requirements for the NTCK16AX and

NTCK16BX generic Central Office trunk cards.

Table 251

NTCK16 circuit card power requirements

Voltage	Idle Current	Active current
+15.0 V dc	170 ma	330 ma
(See 1)
-15.0 V dc	170 ma	249 ma
(See 1)
+8.5 V dc	101 ma	100 ma
(See 2)
+5.0 V dc	160 ma	322 ma

Note 1: Analog circuitry is powered with +/-12 V generated from +/-15 V. The maximum current imbalance between the +/-15 V rails is 100 ma per circuit pack.

Note 2: 8.5V is regulated to give 5 V.

Environmental specifications

Table 252 lists the environmental specifications of the NTCK16AX and

NTCK16BX generic Central Office trunk cards.

Table 252

NTCK16 circuit card environmental specifications (Part 1 of 2)

Parameter	Specifications
Operating temperature	10 to 45 degrees C
Operating humidity	20 to 80% RH (non-condensing)

553-3001-211 Standard 2.00 September 2004