Loop Attenuation, Insertion Loss, And Reach; Hdsl2 Reach Chart - ADC HiGain H2TU-C-319 List 4E User Manual

LTPH-UM-1049-02, Issue 2
L A
OOP TTENUATION
Each loop has no more than 35 dB of loss at 196 kHz, with driving and terminating impedances of 135 , as shown
in Table 27 below. This is equivalent to no more than 28 dB loop attenuation.
Cable Gauge
26/0.4 mm
24/0.51 mm
22/0.61 mm
19/0.91 mm
(a) Insertion Loss = 1.25 times loop attenuation
H2TU-C-319 List 4E
, I L
NSERTION OSS
Table 27. HDSL2 Reach Chart
(a)
Insertion Loss at Loop Attenuation
196 kHz (dB/kft)
3.88
2.84
2.18
1.54
January 9, 2002
, R
AND EACH
Maximum Reach
(dB/kft) (kft)
3.1 9
2.2 12
1.7 16
1.2 23
Appendix A - Specifications
per kft
83
52
32
16
67