Nortel Networks 553-3001-211 manual Digital line interface specifications

NT8D02 and NTDK16 Digital Line cards Page 525 of 894

Digital line interface specifications

Table 168 provides a technical summary of the digital line cards.

Table 168

NT8D02/NTDK16 Digital Line card technical summary

	NT8D02 DLC	NTDK16BA DLC	NTDK16AA DLC
Characteristics	description	description	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
	30 m (100 ft) to 915	30 m (100 ft) to 915	30 m (100 ft) to 915
	m (3000 ft) with 24	m (3000 ft) with 24	m (3000 ft) with 24
Loop limits	AWG PVC cable	AWG PVC cable	AWG PVC cable
	(+15 V DC at 80 mA)	(+15 V DC at 80 mA)	(+15 V DC at 80 mA)
	0 to 1070 m (3500 ft)	0 to 1070 m (3500 ft)	0 to 1070 m (3500 ft)
	with 24 AWG PVC	with 24 AWG PVC	with 24 AWG PVC
	cable (+15 V DC at	cable (+15 V DC at	cable (+15 V DC at
	80 mA)	80 mA)	80 mA)
Line rate	512 kbps + 100 ppm	512 kbps + 100 ppm	512 kbps + 100 ppm
	+ 5 V DC	+ 5 V DC	+ 5 V DC
Power supply	+15 V DC	+15 V DC	+15 V DC
	+10 V DC		+8 V DC
Transmitter output
voltage:
• successive “1”	+1.5 + 0.15 V and
bits	-1.5 + 0.15 V
• “0” bits	0 + 50 mV
	Not applicable	Not applicable	Power Failure Trans-
Additional circuitry			fer Control Ring
			Sync.

Circuit Card Description and Installation