Appendix a - specifications, A - s, Ppendix – ADC H2TU-C-231 User Manual

Page 62: Pecifications

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Appendix A - Specifications

LTPH-UM-1109-01, Issue 1

54

January 9, 2002

H2TU-C-231 List 2

A

PPENDIX

A - S

PECIFICATIONS

Power

HDSL2 Span Voltage

0 or -180 Vdc ±5 Vdc

CO Supply

-48 Vdc nominal (-42.5 to -56.5 Vdc)

(See

“Power Consumption”

,

“Maximum Power Dissipation”

, and

“Maximum Current

Drain” on page 55

.)

Electrical Protection

Secondary surge and power cross-protection on HDSL2 ports. Requires external
primary protection.

Fusing

Internal, connected to fuse alarm output on pin 32

Environmental

Operating Temperature

-40°F to +149°F (-40°C to +65°C)

Operating Humidity

5% to 95% (non-condensing)

Physical

Height

5.9 in. (15.0 cm)

Width

1.4 in. (3.5 cm)

Depth

10.0 in. (25.4 cm)

Weight

8.0 oz. (0.23 kg)

Mounting

220 mechanics 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 dBm at 135

(0-450 kHz)

at CO side;

+16.5 dBm ±0.5 dBm at 135

(0-350 kHz) at remote side

Line Impedance

135

Maximum Loop Attenuation

35 dB at 196 kHz, 135

Start-up Time

30 sec. (typical), 1 min. (maximum)

DSX-1

Line Impedance

100

Line Rate

1.544 Mbps ±200 bps

Line Format

Alternate Mark Inversion (AMI) or Bipolar with 8-Zero Substitution (B8ZS)

Frame Format

Extended SuperFrame (ESF), SuperFrame (SF), or Unframed (UNFR)

Pulse Output

6 V

pk-pk

pre-equalized for 0 to 655 feet of ABAM cable

Input Level

+1.5 to -7.5 dB DSX

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

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