Paradyne IP DSLAM BitStorm 2600 Installation Manual page 46

A. Connectors and Pin Assignments
DSL Ports and POTS Splitter Connectors
A-2
The 50-pin RJ21X Telco connector labeled DSL Ports 1–24 provides the 2-wire
loop interface from each DSL port to the MDF for CO applications, or the
in-building wiring for customer premises applications. (The Canadian designation
for this connector is CA21A.) The 50-pin RJ21X (CA21A) Telco connector labeled
POTS 1–24 (if installed) provides the 2-wire loop interface with the internal POTS
splitters.
Table A-1 lists the pin assignments for these interfaces. Note that Pins 25 and 50
are not used.
Table A-1. DSL Connector Pinouts
Connector Pins
DSL Port (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
March 2005
1
25
26
50
02-17151
2600-A2-GN20-40