Computer Hardware Installation Guide

Electrical specifications 1005
Electrical specifications
Power requirements
Table 421 "NTCK16 circuit card power requirements" (page 1005) shows
the power requirements for the NTCK16AX and NTCK16BX generic Central
Office trunk cards.
Table 421
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
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 422 "NTCK16 circuit card environmental specifications" (page
1005) lists the environmental specifications of the NTCK16AX and
NTCK16BX generic Central Office trunk cards.
Table 422
NTCK16 circuit card environmental specifications
Parameter
Specifications
Operating temperature 10 to 45 degrees C
Operating humidity 20 to 80% RH (non-condensing)
Storage temperature –20 to +60 degrees C
Storage humidity 5 to 95% Relative Humidity
Pad switching
The NTCK16AX and NTCK16BX generic Central Office trunk cards support
the North American loss plan. Software configuration allows the selection of
4 dB loss pads on a per unit basis.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.