ADC H2TU-C-388 APPENDIX A - SPECIFICATIONS

Appendix A - Specifications 152-388-100-02, Issue 2

APPENDIX A - SPECIFICATIONS

Power
Line Voltage	0, -185 Vdc
CO Supply	-48 Vdc nominal (-42.5 Vdc to -56.5 Vdc)
	(See “Power Consumption” and “Maximum Power Dissipation” and “Maximum
	Current Drain” on page 49.)
Electrical Protection	Secondary surge and power cross protection on HDSL2 ports. Requires external
	primary protection.
Fusing	Internal; connected to “FUSE ALARM” output on pin 117
Environmental
Operating Temperature	-40 °F to +149 °F (-40 °C to +65 °C)
Operating Humidity	5% to 95% (non-condensing)
Physical
Height	3.62 in. (9.2 cm)
Width	0.69 in. (1.8 cm)
Depth	10 in. (25.4 cm)
Weight	0.5 lbs. (.23 kg)
Mounting	DDM+ high-density shelf
HDSL2
Line Rate	1.552 Mbps Overlapped Pulse Amplitude Modulation Transmission with Interlocking
	Spectra (OPTIS)
Transmission	Full duplex
Media	One non-loaded, copper, two-wire cable pair
Output	+16.8 dBm ±0.5 dB at 135 Ω	(0-450 kHz) at CO side;
	+16.5 dBm ±0.5 dB at 135 Ω	(0-350 kHz) at remote side
Line Impedance	135 Ω
Maximum Loop Attenuation	35 dB at 196 kHz, 135Ω
Start-up Time	30 seconds (typical), 1 minute (maximum)
DSX-1
DSX-1 Line Impedance	100 Ω
DSX-1 Line Rate	1.544 Mbps ±200 bps
DSX-1 Line Format	Alternate Mark Inversion (AMI) or Bipolar with 8-Zero Substitution (B8ZS)
DSX-1 Frame Format	Extended SuperFrame (ESF), SuperFrame (SF), or Unframed (UNFR)
DSX-1 Pulse Output	6 Vpk-pkpre-equalized for 0 to 655 feet of ABAM cable
DSX-1 Input Level	+1.5 to -7.5 dB DSX
System
One-way DS1 Delay	<400 µs over the span
Wander (Looped)	Meets MTIE T1.101 requirements
Wideband Jitter (Looped)	0.2 UI maximum
Narrowband Jitter (Looped)	0.1 UI maximum

48 June 6, 2000 H2TU-C-388 List 1