Loop Attenuation; H2Tu-C-231 List 3F Card-Edge Connector - ADC HiGain H2TU-C-231 List 3F User Manual

LTPH-UM-1149-01
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-231 L
* Fuse alarm is normally floating and at -48 Vdc when activated.
** Active pins are solid black.
H2TU-C-231 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
Tip
Ring
HDSL2 Span
Fuse alarm
*
-48 Vdc
DSX-1
Tip
XMT (IN)
Ring
Ground
Management bus
Tip 1
DSX-1
RCV (OUT) Ring 1
Figure 34. H2TU-C-231 List 3F Card-Edge Connector

Loop Attenuation

Maximum Reach
(dB/kft)
3.1
2.2
1.7
1.2
C
ONNECTOR
26 1
27 2
28 3
29 4
30 5
31 6
32 7
33 8
34 9
35 10
36 11
37 12
KEY KEY
38 13
39 14
40 15
16
41
42 17 Ground
43 18
44 19
45 20
46 21
47 22
48 23 Factory use only
49 24
50 25
June 12, 2002
Appendix A - Specifications
Ω
per kft
(kft)
9 83
12 52
16 32
23 16
63