IPECS Release 5
Hardware Description & Installation
Issue 5.0
103
RJ-21 pin Assignment
LC1
LC2
Pairs Pin
Pairs Pin
1
Port 1 Tip Port 1: TX+
1
Port 1 Tip Port 1: TX+
26 Port 1 Ring Port 1: TX-
26 Port 1 Ring Port 1: TX-
2
Port 2 Tip Port 1: RX+
2
Port 2 Tip Port 1: RX+
27 Port 2 Ring Port 1: RX-
27 Port 2 Ring Port 1: RX-
3
Port 3 Tip Port 2: TX+
3
Port 3 Tip Port 2: TX+
28 Port 3 Ring Port 2: TX-
28 Port 3 Ring Port 2: TX-
4
Port 4 Tip Port 2: RX+
4
Port 4 Tip Port 2: RX+
29 Port 4 Ring Port 2: RX-
29 Port 4 Ring Port 2: RX-
5
Blank
Blank
5
Blank
Blank
30 Blank
Blank
30 Blank
Blank
6
Blank
Blank
6
Blank
Blank
31 Blank
Blank
31 Blank
Blank
7
Port 5 Tip Port 3: TX+
7
Port 5 Tip Port 3: TX+
32 Port 5 Ring Port 3: TX-
32 Port 5 Ring Port 3: TX-
8
Port 6 Tip Port 3: RX+
8
Port 6 Tip Port 3: RX+
33 Port 6 Ring Port 3: RX-
33 Port 6 Ring Port 3: RX-
9
Port 7 Tip Port 4: TX+
9
Port 7 Tip Port 4: TX+
34 Port 7 Ring Port 4: TX-
34 Port 7 Ring Port 4: TX-
10 Port 8 Tip Port 4: RX+
10 Port 8 Tip Port 4: RX+
35 Port 8 Ring Port 4: RX-
35 Port 8 Ring Port 4: RX-
11 Blank
Blank
11 Blank
Blank
36 Blank
Blank
36 Blank
Blank
12 Blank
Blank
12 Blank
Blank
37 Blank
Blank
37 Blank
Blank
13 Port 1 Tip Port 1: TX+
13 Port 1 Tip Port 1: TX+
38 Port 1 Ring Port 1: TX-
38 Port 1 Ring Port 1: TX-
14 Port 2 Tip Port 1: RX+
14 Port 2 Tip Port 1: RX+
39 Port 2 Ring Port 1: RX-
39 Port 2 Ring Port 1: RX-
15 Port 3 Tip Port 2: TX+
15 Port 3 Tip Port 2: TX+
40 Port 3 Ring Port 2: TX-
40 Port 3 Ring Port 2: TX-
16 Port 4 Tip Port 2: RX+
16 Port 4 Tip Port 2: RX+
41 Port 4 Ring Port 2: RX-
41 Port 4 Ring Port 2: RX-
17 Blank
Blank
17 Blank
Blank
42 Blank
Blank
42 Blank
Blank
18 Blank
Blank
18 Blank
Blank
43 Blank
Blank
43 Blank
Blank
19 Port 5 Tip Port 3: TX+
19 Port 5 Tip Port 3: TX+
44 Port 5 Ring Port 3: TX-
44 Port 5 Ring Port 3: TX-
20 Port 6 Tip Port 3: RX+
20 Port 6 Tip Port 3: RX+
45 Port 6 Ring Port 3: RX-
45 Port 6 Ring Port 3: RX-
21 Port 7 Tip Port 4: TX+
21 Port 7 Tip Port 4: TX+
46 Port 7 Ring Port 4: TX-
46 Port 7 Ring Port 4: TX-
22 Port 8 Tip Port 4: RX+
22 Port 8 Tip Port 4: RX+
47 Port 8 Ring Port 4: RX-
47 Port 8 Ring Port 4: RX-
23 Blank
Blank
23 Blank
Blank
48 Blank
Blank
48 Blank
Blank
24 Blank
Blank
24 Blank
Blank
49 Blank
Blank
49 Blank
Blank
25 Tel Ground TEGND
25 Tel Ground TEGND
50 Tel Ground TEGND
50 Tel Ground TEGND
4
5
7
8
6
RJ-21
1
2
3
15
16
18
9
10
12
13
11
24
25
LGCM/DIDM
SLTM/DTIM
BRIM
PRIM
23
19
20
21
22
14
S
L
O
T
No.
RJ-21
LGCM/DIDM
SLTM/DTIM
BRIM
PRIM
S
L
O
T
No.
1
2
3
4
5
7
8
6
9
10
12
13
11
14
15
16
18
23
19
20
21
22
24
25
1
2
3
4
17
17
Figure 4.6-2 Connections for LC1 & 2