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NT8D02 and NTDK16 Digital Line Cards Page 369 of 544
Option 11C and 11C Mini Technical Reference Guide
Technical summary
Table 108 provides a technical summary of the digital line cards.
Table 108
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
+ 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 Trans-
fer Control Ring
Sync.