19
RJ21X (CA21A) Connector Pin Assignments
On the 8620 or 8820 BAC is a 50-pin RJ21X (CA21A) Telco connector, labeled
DSL Ports 1–24, associated with the slot where the POTS card resides. It provides the
2-wire interface from each POTS port to the 66 Block.
Table 3
lists the pin assignments for each of these interfaces. Pins 25 and 50 are not
used.
Table 3. RJ21X Connector Pinouts
POTS Port
Connector Pins (Ring, Tip)
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
25
02-17151
1
50
26
Содержание 8922
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