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Figure 8
shows the slot-pin assignments for the HLU-431.
10
MANAGEMENT
RS-232 DATA OUT
ALARM
FACTORY BURN-IN (DO NOT USE)
Note: Active pins are highlighted in black
Figure 8. HLU-431 Pin Assignments
September 22, 1999
56
55
DS1TIP
54
53
52
51
50
49
DS1 RING
48
47
HDSL2 RING1
45
46
44
43
42
41
HDSL2TIP 1
40
39
38
37
36
35
48V
34
33
32
31
30
29
28
27
26
25
FUSE ALARM
24
23
22
21
20
19
18
17
CIRCUIT GND
16
15
DS1 RING1
14
13
HDSL1 RING
12
11
10
9
8
7
HDSL1TIP
6
5
DS1TIP1
4
3
2
1
CHASSIS GROUND
H0338-A
150-425-100-04
XMT
RCV
HRE-425 List 1
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