The tip and ring access is through a standard 50 pin D style telephone wiring connector (25 pair telco cable) wired as:
|
Channel |
Ring Position |
Tip Position |
|
1 |
1 |
26 |
|
2 |
2 |
27 |
|
3 |
3 |
28 |
|
4 |
4 |
29 |
|
5 |
5 |
30 |
|
6 |
6 |
31 |
|
7 |
7 |
32 |
|
8 |
8 |
33 |
|
9 |
9 |
34 |
|
10 |
10 |
35 |
|
11 |
11 |
36 |
|
12 |
12 |
37 |
|
13 |
13 |
38 |
|
14 |
14 |
39 |
|
15 |
15 |
40 |
|
16 |
16 |
41 |
|
17 |
17 |
42 |
|
18 |
18 |
43 |
|
19 |
19 |
44 |
|
20 |
20 |
45 |
|
21 |
21 |
46 |
|
22 |
22 |
47 |
|
23 |
23 |
48 |
|
24 |
24 |
49 |
|
Dry Alarm Contact |
25 |
50 |
The last pair of wires (positions 25 [ring] and 50 [tip]) are connected to a dry alarm contact with a limit of 100 Volts at 1 amp.
This table is the same for TR-08 output. Both the P32xi and mxi normalize the D1D sequence of the channels (used by TR-08) internally from the D1D order of 1,12,2,13&ldots;to the normalized order of 1,2,3&ldots;.
Connect one end of the tip and ring cable to the shelf and connect the other to a RJ-21X wiring jack (punch down block) for making cross connects to your telephones, PBXs, faxes and modems.
Looking at the back of the P32mxi, the individual channels on the Aux VF connectors are arranged as:

Tip and ring access is through two RJ48 connectors wired as:
|
Channel |
Ring Position |
Tip Position |
|
25 |
Conn A, Pin 5 |
Conn A, Pin 4 |
|
26 |
Conn A, Pin 6 |
Conn A, Pin 3 |
|
27 |
Conn A, Pin 7 |
Conn A, Pin 2 |
|
28 |
Conn A, Pin 8 |
Conn A, Pin 1 |
|
29 |
Conn B, Pin 5 |
Conn B, Pin 4 |
|
30 |
Conn B, Pin 6 |
Conn B, Pin 3 |
|
31 |
Conn B, Pin 7 |
Conn B, Pin 2 |
|
32 |
Conn B, Pin 8 |
Conn B, Pin 1 |
Using the 3500011-001 Cable Assembly will expand the 4 circuits coming from one of the RJ-45 connectors into two RJ-31 connections. This cable is wired as follows:
|
RJ-45 Connector |
RJ-31 |
Line Identifier |
|
1 |
Conn B, Pin 2 |
Line 4 Tip |
|
2 |
Conn B, Pin 4 |
Line 3 Tip |
|
3 |
Conn A, Pin 2 |
Line 2 Tip |
|
4 |
Conn A, Pin 4 |
Line 1 Tip |
|
5 |
Conn A, Pin 3 |
Line 1 Ring |
|
6 |
Conn A, Pin 5 |
Line 2 Ring |
|
7 |
Conn B, Pin 3 |
Line 3 Ring |
|
8 |
Conn B, Pin 5 |
Line 4 Ring |
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