Slot Pin Assignments
LTPH-TP-1003-02, Issue 2
10
June 1, 2001
HRE-206 Lists 1 and 2
Figure 10.
HLU-431 AND HLU-432 Pin Assignments
27
25
23
21
19
17
15
13
11
9
7
3
5
1
DS1Tip
DS1 Ring
HDSL L2 Ring 1
HDSL L2Tip 1
Alarm
Factory burn-in (do not use)
DS1 Ring
Circuit ground
HDSL L1 Ring
XMT
RCV
HDSL L1Tip
DS1Tip 1
Chassis ground
28
26
24
22
20
18
16
14
12
10
8
4
6
2
55
53
51
49
47
45
43
41
39
37
35
32
31
56
54
52
50
48
46
44
42
40
38
36
34
30
33
29
Note: Active pins are highlighted in black.
Not supported by HLU-431
*
Fuse alarm
Chassis ground
*
-48Vdc
48Vdc local power supply
