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Appendix A - Specifications
A
PPENDIX
Power
HDSL4 Span Voltage
CO Supply
Electrical Protection
Fusing
Environmental
Operating Temperature
Operating Humidity
Physical
Height
Width
Depth
Weight
Mounting
HDSL4
Line Rate
Transmission
Media
Output
Line Impedance
Maximum Insertion Loss
Maximum Loop Attenuation
Start-up Time
DSX-1
Line Impedance
Line Rate
Line Format
Frame Format
Pulse Output
Input Level
System
One-way DS1 Delay
Wander (Looped)
Wideband Jitter (Looped)
Narrowband Jitter (Looped)
52
A - S
PECIFICATIONS
0 or -185 Vdc (voltage is applied across Loop 1 and Loop 2)
-48 Vdc nominal (-42.5 Vdc to -56.5 Vdc)
See
"Power Consumption"
Current Drain" on page
Secondary surge and power cross protection on HDSL4 ports. Requires external
primary protection.
Internal; connected to "FUSE ALARM" output on
-40°F to +149°F (-40°C to +65°C)
5% to 95% (non-condensing)
5.9 in. (15.0 cm)
1.4 in. (3.5 cm)
10 in. (25.4 cm)
0.5 lb (.23 kg)
220 mechanics high-density shelves
784 kbps Overlapped Pulse Amplitude Modulation (OPAM) transmission per HDSL4
standard in ANSI T1.418 Issue 2.
Full duplex
Two unconditioned copper pairs
+14.1 dBm ±0.5 dBm at 135Ω
135Ω
Span 1 = 47 dB at 196 kHz
Span 2 and Span 3 = 43 dB at 196kHz (for locally powered system)
Span 1 = 31 dB
Span 2 and Span 3 = 29 dB
30 sec. (typical), 1 min. (maximum) per span
100Ω
1.544 Mbps ±200 bps
Alternate Mark Inversion (AMI) or Bipolar with 8-Zero Substitution (B8ZS)
Extended SuperFrame (ESF), SuperFrame (SF), or Unframed (UNFR)
pk-pk
6 V
pre-equalized for 0 to 655 feet of ABAM cable
+1.5 to -7.5 dB DSX
<700 µs
Meets MTIE T1.101 requirements
0.2 UI maximum
0.1 UI maximum
October 15, 2003
and
"Maximum Power Dissipation"
54.
pin 32
LTPH-UM-1253-01
and
"Maximum
H4TU-C-231 List 5A
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