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Telco 50-Pin Connector Pinouts for DSL Loops and POTS Splitters
The three Telco 50-pin receptacles on the rear of the
chassis (labeled for Slots 1, 2, 3) provide the 2-wire loop
interface from each DSL port to either the POTS splitter
card or, if the loop is not being shared with POTS, then to
the Main Distribution Frame (MDF). The following table
lists the pin assignments for each of these interfaces.
NOTE:
When the 8610 chassis is the base chassis, the
MCP is installed in Slot 1 and the Tips and Rings
for Slot 1 are not connected internally and are not
active.
CONN #
for Slots 1–3
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7
Port 8
Port 8
Port 10
Port 11
Port 12
Port 13
CONN PINS
(Tip, Ring)
1, 26
2, 27
3, 28
4, 29
5, 30
6, 31
7, 32
8, 33
9, 34
10, 35
11, 36
12, 37
13, 38
CONN #
for Slots 1–3
Port 14
Port 15
Port 16
Port 17
Port 18
Port 19
Port 20
Port 21
Port 22
Port 23
Port 24
Port 25
31
25
26
97-15526
50
CONN PINS
(Tip, Ring)
14, 39
15, 40
16, 41
17, 42
18, 43
19, 44
20, 45
21, 46
22, 47
23, 48
24, 49
25, 50
1
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