Nortel Networks Circuit Card - Manual (Page 796)

Page 796 of 906 NTCK16 Generic Central Office Trunk cards
553-3001-211 Standard 3.00 August 2005
Electrical specifications
Power requirements
Table 256 shows the power requirements for the NTCK16AX and
NTCK16BX generic Central Office trunk cards.
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 257 lists the environmental specifications of the NTCK16AX and
NTCK16BX generic Central Office trunk cards.
Table 256
NTCK16 circuit card power requirements
Voltage Idle Current Active current
+15.0 V dc
(See 1)
170 ma 330 ma
-15.0 V dc
(See 1)
170 ma 249 ma
+8.5 V dc
(See 2)
101 ma 100 ma
+5.0 V dc 160 ma 322 ma
Table 257
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)