Loop Attenuation; H2Tu-C-202 List 3F Card-Edge Connector - ADC H2TU-C-202 User Manual

LTPH-UM-1161-01
L A
OOP TTENUATION
Each loop has no more than 35 dB of insertion loss at 196 kHz, with driving and terminating impedances of 135 Ω ,
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-202 L
Burn in /
* Chassis ground may be connected to Earth ground per local practice.
** Active pins are solid black.
H2TU-C-202 List 3F
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
3F C -E
IST ARD DGE
56
54
52
50
48
46
44
42
40
38
36
34
32
30
28
Alarm
26
24
22
Factory use only
20
18
16
14
12
10
8
6
4
2
Figure 34. H2TU-C-202 List 3F Card-Edge Connector

Loop Attenuation

Maximum Reach
(dB/kft)
3.1
2.2
1.7
1.2
C
ONNECTOR
55
Ring
53
HDSL2 Span
51
Tip
49
Ring 1
47
45
DSX-1-RCV
43
41 Tip 1
39
37
( - )
35
33
31
29
Chassis ground*
27
-48Vdc Local power
Fuse alarm
25
23
21
19
17 Circuit ground ( + )
15
13
Ring
11
DSX-1-XMT
9
7
Tip Tip
5
3
1
June 28, 2002
Appendix A - Specifications
Ω
per kft
(kft)
9 83
12 52
16 32
23 16
63