150-512-100-03, Revision 03
Installation
HRU-512 List 1
September 25, 1998
13
The HRUs edge connector pinouts are shown in
. The active pins are
shown in black.
Figure 4.
HRU-512 List 1 Edge Connector Pinouts
55 --- DS1 TIP
53
51
49 --- DS1 RING
45
43
41 --- HDSL2 TIP 1
39
37
35
33
31
29
27
25
23
21
19
17
15 --- DS1 RING1
13 --- HDSL RING
11
9
7 ---- HDSL TIP
56
CHASSIS GND*
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
5 ---- DS1 TIP1
3
1
6
4
2
RS-232 DATA OUT
FOR FACTORY
TESTING
RCV
XMT
RS-232 DATA IN
* Chassis GND may be tied to Earth GND per local practice
48 VOLT
LOCAL POWER
+
_
