152-402-145-02, Issue 2

Appendix A - Specifications

 

 

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

 

H2TU-R-402

June 16, 2000

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