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152-402-145-02, Issue 2 Appendix A - Specifications
H2TU-R-402 June 16, 2000 31
APPENDIX A - SPECIFICATIONS
Power
HDSL2 Span Voltage -180 Vdc
Line or Local Power Consumption 5 W
Electrical Protection Secondary surge and power cross-protection on all DS1 and HDSL2 ports.
Environmental
Operating Temperature -40 °F to +149 °F (-40 °C to +65 °C)
Operating Humidity 5% to 95% (non-condensing)
Physical
Height 5.56 in. (14.12 cm)
Width 0.69 in. (1.75 cm)
Depth 5.87 in. (14.91 cm)
Weight 6.4 oz. (0.18 kg)
Mounting 400 or 200 mechanics
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 +16.5 dBm ±0.5 dB at 135 Ω (0-350 kHz) at remote side;
+16.8 dBm ±0.5 dB at 135 Ω (0-450 kHz) at CO side
Line Impedance 135 Ω
Maximum Loop Attenuation 35 dB at 196 kHz, 135Ω
Start-up Time 30 sec. (typical), 1 min. (maximum)
DS1
DS1 Line Impedance 100 Ω
DS1 Line Rate 1.544 Mbps ±200 bps
DS1 Line Format Alternate Mark Inversion (AMI) or Bipolar with 8-Zero Substitution (B8ZS)
DS1 Frame Format Extended SuperFrame (ESF), SuperFrame (SF), or Unframed (UNFR)
DS1 Pulse Output 0 dB, -7.5 dB, -15 dB
DS1 Input Level 0 to -33 dB
System
One-way DS1 Delay <400 µs
Wander (Looped) Meets MTIE T1.101 requirements
Wideband Jitter (Looped) 0.2 UI maximum
Narrowband Jitter (Looped) 0.1 UI maximum