Table of Contents
Advertisement
LTPH-UM-1122-02, Issue 2
A
PPENDIX
Power
Line Voltage
CO Supply
Electrical Protection
Fusing
Environmental
Operating Temperature
Operating Humidity
Physical
Height
Width
Depth
Weight
Mounting
HDSL4
Line Rate
Transmission
CSA Reach
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
H4TU-C-388 List 1
A - S
PECIFICATIONS
0, -185 Vdc, ±123 Vdc (Voltage is applied across Loop 1 and Loop 2.)
-48 Vdc nominal (-42.5 to -56.5 Vdc)
(See
"Power
Consumption",
Drain" on page
Secondary surge and power cross-protection on HDSL4 ports. Requires external
primary protection.
Internal, connected to "FUSE ALARM" output on pin 32
-40 °F to +149 °F (-40 °C to +65 °C)
5% to 95% (non-condensing)
3.62 in. (9.2 cm)
0.69 in. (1.8 cm)
10.0 in. (25.4 cm)
8.0 oz. (0.23 kg)
DDM+ high-density shelf
784 kbps Overlapped Pulse Amplitude Modulation (OPAM) transmission per HDSL4
standard in ANSI T1.418 Issue 2.
Full duplex
34 kft. maximum using 26 AWG wire: 12kft. (span 1), 11 kft. (span 2), 11 kft. (span 3)
One non-loaded, copper, two-wire cable pair
+14.1 dBm ±0.5 dBm at 135Ω
135 Ω
Span 1 = 47 dB at 196 kHz
Span 2 and Span 3 = 43 dB at 196 kHz
Span 1 = 31 dB
Span 2 and Span 3 = 29dB
30 sec. (typical), 1 min. (maximum) per span
100 Ω
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
September 12, 2003
"Maximum Power
61.)
Appendix A - Specifications
Dissipation", and
"Maximum Current
59
Advertisement
Table of Contents
