Pin Assignment of Telco 50 Connector Used in Different ZyXEL XDSL Switches

Pin Assignment of Telco 50 Connector Used in Different ZyXEL XDSL Switches: The article shows the pin assignments of the Telco 50 connectors used in various ZyXEL xDSL switches, and also shows the correspondence tables for the numbers of ports and contacts in the Telco 50 connector.

This article shows the pin assignment of the Telco 50 connectors used in various ZyXEL xDSL switches, and also shows the table of correspondence of port numbers and contacts in the Telco 50 connector.

1. Switch IES-1000; ADSL module AAM-1212

2. Switch IES-1000; SHDSL module SAM-1216-22

3. Switches IES-2000 / IES-2500 / IES-3000; ALC-1024 / ALC-1224 line cards, SHDSL SLC-1024 line card and ASC-1024 / SEC-1024 splitter cards

4. Switches IES-5000 / IES-5005; ADSL ALC-1248G line card and SHDSL SLC-1248G line card

1. Switch IES-1000; ADSL module AAM-1212

The pin assignment of the Telco 50 connector on the AAM-1212 module:

Match the port and contact numbers in the Telco 50 slot on the AAM-1212 module:

Port number	Contact number
1	USER (14, 39), CO (1, 26)
2	USER (15, 40), CO (2, 27)
3	USER (16, 41), CO (3, 28)
4	USER (17, 42), CO (4, 29)
5	USER (18, 43), CO (5, 30)
6	USER (19, 44), CO (6, 31)
7	USER (20, 45), CO (7, 32)
8	USER (21, 46), CO (8, 33)
9	USER (22, 47), CO (9, 34)
10	USER (23, 48), CO (10, 35)
11	USER (24, 49), CO (11, 36)
12	USER (25, 50), CO(12, 37)

Switch IES-1000; SHDSL module SAM-1216-22

2. Switch IES-1000; SHDSL module SAM-1216-22

Correspondence of port numbers and contacts in the Telco 50 connector on the SAM-1216-22 module:

Port number	Contact number
1	25, 50
2	24, 49
3	23, 48
4	22, 47
5	21, 46
6	20, 45
7	19, 44
8	18, 43
9	17, 42
10	16, 41
11	15, 40
12	14, 39
13	13, 38
14	12, 37
15	11, 36
16	10, 35

IES-1248 Switch

The pin assignments for the Telco 50 USER connector in the IES-1248 switch are:

The pin assignments for the Telco 50 CO connector in the IES-1248 switch are:

Correspondence of port numbers and contacts in the Telco 50 connector in the IES-1248 switch:

Port number	Contact number
1	2, 27
2	3, 28
3	4, 29
4	5, 30
5	6, 31
6	7, 32
7	8, 33
8	9, 34
9	10, 35
10	11, 36
11	12, 37
12	13, 38
13	14, 39
14	15, 40
15	16, 41
16	17, 42
17	18, 43
18	19, 44
19	20, 45
20	21, 46
21	22, 47
22	23, 48
23	24, 49
24	25, 50

3. Switches IES-2000 / IES-2500 / IES-3000; ALC-1024 / ALC-1224 line cards, SHDSL SLC-1024 line card and ASC-1024 / SEC-1024 splitter cards

The assignment of the contacts of the Telco 50 connector on the ALC-1024 / ALC-1224 / SLC-1024 line cards, ASC-1024, SEC-1024 and USER splitter cards:

The pin assignment of the Telco 50 CO connector on the ALC-1024 / ALC-1224 line cards:

Matching port and contact numbers in Telco 50 slot:

Port number	Contact number
1	25, 50
2	24, 49
3	23, 48
4	22, 47
5	21, 46
6	20, 45
7	19, 44
8	18, 43
9	17, 42
10	16, 41
11	15, 40
12	14, 39
13	13, 38
14	12, 37
15	11, 36
16	10, 35
17	9, 34
18	8, 33
19	7, 32
20	6, 31
21	5, 30
22	4, 29
23	3, 28
24	2, 27

Pin assignments for the Telco 50 cable connector for connecting ADSL / SHDSL linecards and corresponding splitter cards in IES-2000 / IES-2500 / IES-3000:

Pin Connector Assignment for Telco 50 Cable:

Port number	Contact number
1	25, 50
2	24, 49
3	23, 48
4	22, 47
5	21, 46
6	20, 45
7	19, 44
8	18, 43
9	17, 42
10	16, 41
11	15, 40
12	14, 39
13	13, 38
14	12, 37
15	11, 36
16	10, 35
17	9, 34
18	8, 33
19	7, 32
20	6, 31
21	5, 30
22	4, 29
23	3, 28
24	2, 27

4. Switches IES-5000 / IES-5005; ADSL ALC-1248G line card and SHDSL SLC-1248G line card

The pin assignments for the Telco 50 USER 1-24 connector on the ALC-1248G and SLC-1248G line card:

The pin assignments for the Telco 50 USER 25-48 connector on the ALC-1248G and SLC-1248G line card:

Match the port and contact numbers in the Telco 50 USER 1-24 slot on the ALC-1248G and SLC-1248G line cards:

Port number	Contact number
1	25, 50
2	24, 49
3	23, 48
4	22, 47
5	21, 46
6	20, 45
7	19, 44
8	18, 43
9	17, 42
10	16, 41
11	15, 40
12	14, 39
13	13, 38
14	12, 37
15	11, 36
16	10, 35
17	9, 34
18	8, 33
19	7, 32
20	6, 31
21	5, 30
22	4, 29
23	3, 28
24	2, 27

Match the port and contact numbers in the Telco 50 USER 25-48 slot on the ALC-1248G and SLC-1248G line cards:

Port number	Contact number
25	25, 50
26	24, 49
27	23, 48
28	22, 47
29	21, 46
30	20, 45
31	19, 44
32	18, 43
33	17, 42
34	16, 41
35	15, 40
36	14, 39
37	13, 38
38	12, 37
39	11, 36
40	10, 35
41	9, 34
42	8, 33
43	7, 32
44	6, 31
45	5, 30
46	4, 29
47	3, 28
48	2, 27

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