ADC HDSL Hdsl Interface Line Code, Line Rate, Output, Maximum Provisioning Loss, Range, Data Rate

1 1 / 0 8 • 1 0 6 8 0 5 A E   WorldDSL™ HDSL

WorldDSL™ HDSL

Economical, Reliable, and Manageable E1 and Serial Data Deployment

Specifications

HDSL Interface
Line Code:	2B1Q
Line Rate:	1168 kbps on each pair
Output:	13.5 dBm ± 0.5 dB
Maximum Provisioning Loss:	35 dB at 292 kHz
Range:	See Figures 1, 2 and 3
HDSL Connector:	See specific enclosure for external DSL interface connection type
Secondary Protection:	Provided on LTU, UTU, and EDU
LTU/UTU Protection Compliance:	ITU-T K.20 and K.21 compliant when used in
	ADC Chassis and Enclosures
EDU Protection Compliance:	ITU-T K.17
EDU Primary Protection:	Integrated gas discharge tubes when used in EDU enclosures
EDU Protection Compliance:	ITU-T K.17 when used in ADC enclosures
Other Compliances:	ETSI TS101135 and ITU-T G.991.1
E1 Interface
Line Code:	HDB3
Data Rate:	2048 kbps
Operation:	Full or fractional
Blocking:	Per 64 kbps channel
Idle Code Insertion:	User selectable word
Impedance:	120 Ω balanced or 75 Ω unbalanced
Framing:	Structured with or without CRC-4 or unstructured
Connectors:	Both D15F (balanced) and BNC (unbalanced)
Timing:	G.703 or external
Compliance:	ITU-T G.703, G.704, G.706, G.821, G.823, CTR12
Data Interface
User software selectable as:	V.35, V.36, RS-530, X.21
Connector:	D25F (adapters available)
Timing:	Internal, external, Nx64k, HDSL
Compliance:	Net 2
Performance Monitoring
HDSL:	Noise margin, pulse attenuation, ES, UAS
E1:	ITU-T G.821
Alarms:	Form C relay contacts
HDSL Loopbacks:	LTU or UTU local or remote towards Network or Customer EDU
	towards Network
E1 and Serial Data Loopbacks:	Local or remote towards Network or Customer
Test Pattern:	PRBS generator and BER meter
Power
Input Power:	-36 to -72VDC for LTU and UTU when locally powered
	75VDC to 120VDC Tip to Ring for UTU or EDU when
	span powered from LTU
Power Consumption:	5W for line or locally powered UTU
	5W for LTU with line powering off
	15W for LTU with line powering on
	2.5W for line powered EDU
Physical
LTU and UTU Dimensions (HxWxD):	6.89" x 0.925" x 8.45" (175 mm x 24 mm x 215 mm)
Weight
LTU:	0.81 lbs. (0.37 Kg)
UTU:	0.61 lbs. (0.28 Kg)
EDU Dimensions (HxWxD):	2.6" x 1.46" x 6.5" (66 mm x 37 mm x 165 mm)
EDU Weight:	1.8 lbs. (0.82 kg)

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