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Loop attenuation, insertion loss, and reach, Ttenuation, Nsertion – ADC HiGain H2TU-C-319 List 4E User Manual

Page 75: Each

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LTPH-UM-1049-02, Issue 2

Appendix A - Specifications

H2TU-C-319 List 4E

January 9, 2002

67

L

OOP

A

TTENUATION

, I

NSERTION

L

OSS

,

AND

R

EACH

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.

Table 27.

HDSL2 Reach Chart

Cable Gauge

Insertion Loss

(a)

at

196 kHz (dB/kft)

(a) Insertion Loss = 1.25 times loop attenuation

Loop Attenuation

(dB/kft)

Maximum Reach

(kft)

per kft

26/0.4 mm

3.88

3.1

9

83

24/0.51 mm

2.84

2.2

12

52

22/0.61 mm

2.18

1.7

16

32

19/0.91 mm

1.54

1.2

23

16