Nortel Networks 311 User Manual
520
NT8D02 and NTDK16 Digital Line cards
Technical summary
provides a technical summary of the digital line cards.
Table 196
NT8D02/NTDK16 Digital Line Card technical summary
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
+ 5 V DC
±15 V DC
+10 V DC
+10 V DC
+ 5 V DC
±15 V DC
+ 5 V DC
±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
provides specifications for the 16 digital line interfaces, and
lists the maximum
power consumed by the card.
Table 197
Digital line card - line interface unit electrical characteristics
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
Copyright © 2003-2008, Nortel Networks
.