Filter
Top Products
Appendix A - Specifications 152-388-100-02, Issue 2
48 June 6, 2000 H2TU-C-388 List 1
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 V
pk-pk
pre-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