H4Tu-C Card-Edge Connector; Fuse Alarm - ADC H4TU-C-231-L5A User Manual

LTPH-UM-1253-01
H4TU-C C -E
ARD

Fuse Alarm

Figure 32 shows the pinout for the H4TU-C card-edge connector.
Alarm that is driven to -48 Vdc whenever its onboard fuse opens.
H4TU-C-231 List 5A
C
DGE ONNECTOR
HDSL4
26
Tip 1
Ring 1
27
Loop 1
28
29
30
31
Fuse alarm* 32
33
HDSL4
34
Tip
Ring
35
Loop 2
36
37
KEY
38
-48Vdc
39
40
41
DSX-1
Tip 42
IN
Ring
43
XMT
Ground
44
45
Factory use only
46
47
48
49
DSX-1 Tip 1
OUT
Ring 1
50
RCV
* Fuse alarm is normally floating and at -48 Vdc when activated.
Figure 32. H4TU-C Card-Edge Connector
October 15, 2003
1
2
3
4
5
6
7
8
9
10
11
12
KEY
13
14
15
16
Ground
17
18
19
20 Factory use only
21 Factory use only
22
23 Factory use only
24
25
H0170-B
Pin 32 on the card-edge connector is a Fuse
Appendix A - Specifications
55