Loop Attenuation; H2Tu-C Card-Edge Connector - ADC HiGain H2TU-C-388 List 7F Manual

Appendix A - Specifications
L A
OOP TTENUATION
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
H2TU-C C -E
ARD
64
below. This is equivalent to no more than 28 dB loop attenuation.
Table 27. HDSL2 Reach Chart
(a)
Insertion Loss at
196 kHz (dB/kft)
3.88
2.84
2.18
1.54
C
DGE ONNECTOR
219
218
GND
-48Vdc 217
216
215
214
213
212
211
210
209
208
207
206
205
204
203
202
201
200
H0014-C
* Fuse alarm is normally floating (0 to 80 Vdc max.) and
at -48 Vdc (10 mA max.) when activated.
Figure 38. H2TU-C Card-Edge Connector

Loop Attenuation

Maximum Reach
(dB/kft)
3.1
2.2
1.7
1.2
Frame GND
119
118
GND
117
Fuse alarm*
116
115 Ring1
DSX-1 OUT
114 Tip1
113
112
111
110 Ring
DSX-1 IN
109 Tip
108
107
106
105
104 Factory use only
103
102 Ring
HDSL2 Span
101 Tip
100
July 21, 2003
LTPH-UM-1214-02
Ω
per kft
(kft)
9 83
12 52
16 32
23 16
H2TU-C-388 List 7F