Insertion Loss And Loop Attenuation - ADC HiGain H2TU-C-202 User Manual

Appendix A - Specifications
I L
NSERTION OSS AND
Each loop has no more than 35 dB of insertion loss at 196 kHz, with driving and terminating impedances of 135Ω,
as shown in Table 27
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
50
L A
OOP TTENUATION
below. This is equivalent to no more than 28 dB loop attenuation.
Table 27. HDSL2 Reach Chart
(a)
Insertion Loss at
Loop Attenuation (dB/kft)
196 kHz (dB/kft)
3.88
2.84
2.18
1.54
Maximum Reach (kft)
3.1
2.2
1.7
1.2
June 6, 2003
LTPH-UM-1208-01
Ω
per kft
9 83
12 52
16 32
23 16
H2TU-C-202 List 7G