520 NT8D02 and NTDK16 Digital Line cards
Technical summary

Table196 "NT8D02/NTDK16 Digital Line Card technical summar y" (page

520) provides a technical summary of the digital line cards.

Table196
NT8D02/NTDK16 Digital Line Card technical summary
Characteristics NT8D02 DLC
description NTDK16BA DLC
description NTDK16AA DLC
description
Units per card 16 voice, 16 data 48 voice, 48 data 48 voice, 48 data
Impedance 100 Ohm j/b ohm 100 Ohm j/b ohm 100Ohm j/b ohm
Loop limits
30 m (100 ft) to 915
m (3000 ft) with 24
AWG PVC cable (+15
V DC at 80 mA)
30 m (100 ft) to 915
m (3000 ft) with 24
AWG PVC cable (±15
V DC at 80 mA)
30 m (100 ft) to 915
m (3000 ft) with 24
AWG PVC cable (±15
V DC at 80 mA)
0 to 1070 m (3500
ft) with 24 AWG PVC
cable (±15 V DC
at 80 mA)
0 to 1070 m (3500
ft) with 24 AWG PVC
cable (±15 V DC
at 80 mA)
0 to 1070 m (3500
ft) with 24 AWG PVC
cable (±15 V DC
at 80 mA)
Line rate 512 kbps ± 100 ppm 512 kbps ± 100 ppm 512 kbps ± 100 ppm
Power supply
+5VDC
±15 V DC
+10 V DC
+5VDC
±15 V DC +5VDC
±15 V DC
+8 V DC
Transmitter output voltage:
• successive "1" bits +1.5 ± 0.15 V and
-1.5 ± 0.15 V
• "0" bits 0 ± 50 mV
Additional circuitry Not applicable Not applicable Power FailureTransfer
Control Ring Sync.

Digital line interface specifications

Table197 "Digital line card - line interface unit electrical characteristics"

(page 520) provides specifications for the 16 digital line interfaces, and

Table200 "Digital line card-power required" (page 522) lists the maximum

power consumed by the card.

Table197
Digital line card - line interface unit electrical characteristics
Characteristics Description
Units per card 16 voice, 16 data
Line rate 512 kbps ± 100 ppm
Impedance 1003/4
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright© 2003-2008, Nor tel Networks
.