Computer Hardware Installation Guide

520 NT8D02 and NTDK16 Digital Line cards
Technical summary
Table 196 "NT8D02/NTDK16 Digital Line Card technical summary" (page
520) provides a technical summary of the digital line cards.
Table 196
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 100 Ohm 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 Failure Transfer
Control Ring Sync.
Digital line interface specifications
Table 197 "Digital line card - line interface unit electrical characteristics"
(page 520) provides specifications for the 16 digital line interfaces, and
Table 200 "Digital line card-power required" (page 522) lists the maximum
power consumed by the card.
Table 197
Digital line card - line interface unit electrical characteristics
Characteristics
Description
Units per card 16 voice, 16 data
Line rate 512 kbps ± 100 ppm
Impedance 100
3
/4
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
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.