Computer Hardware Installation Guide
682 NT8D14 Universal Tr unk card
Voltage Tolerance
Current (max.)
+8.5 V dc
±2%
450 mA
–48.0 V dc
±5%
415 mA
Power to the NT8D14 Universal Trunk Card is provided by the module
power supply (ac or dc).
Table 239
Power requirements for universal trunk card
Voltage Tolerance
Current (max.)
+15.0 V dc
±5%
306 mA
–15.0 V dc
±5%
306 mA
+5.0 V dc
±5%
750 mA
+8.5 V dc
±2%
450 mA
–48.0 V dc
±5%
415 mA
Power requirements for the Universal Trunk Card are specified in Table 240
"Power requirements" (page 682).
Table 240
Power requirements
Voltage Tolerance Idle current Active current
± 15.0 V DC
± 5% 306 ma 306 ma
+ 8.5 V DC
± 2% 120 ma 120 ma
- 48.0 V DC
± 5% 346 ma 346 ma
+ 5.0 V DC
± 10% 350 ma 350 ma
Foreign and surge voltage protection
The NT8D14 Universal Trunk card meets UL-1489 and CS03 over-voltage
(power cross) specifications and FCC Part 68 requirements.
The universal trunk card meets UL-1489 and CS03 over-voltage (power
cross) specifications and FCC Part 68 requirements.
The Universal Trunk Card meets CS03 overvoltage (power cross)
specifications.
The NT8D14 Universal Trunk Card meets UL-1489 and CS03 over-voltage
(power cross) specifications and FCC Part 68 requirements.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.