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A. Connectors and Pin Assignments
A-2 March 2005 4929-A2-GN20-00
DSL Ports and POTS Splitter Connectors
The 50-pin RJ21X Telco connector labeled DSL Ports 1–24 provides the 2-wire
loop interface from each DSL port to the demarcation point. (The Canadian
designation for this connector is CA21A.) The 50-pin RJ21X Telco connector
labeled POTS 1–24 provides the interface with the internal POTS splitters, if
installed.
Table A-1 lists the pin assignments for each of these interfaces. Note that Pins 25
and 50 are not used.
Table A-1. DSL Connector Pinouts
DSL Port
Connector Pins
(Ring, Tip)
11, 26
22, 27
33, 28
44, 29
55, 30
66, 31
77, 32
88, 33
99, 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