Nokia 22 Operator's Manual page 42

Table 8: RJ-11 trunk connector pin functions
Pin Function
1 Ground
2 Service use
3 RING
4 TIP
5 Service use
6 Service use
Note: In normal use, do not connect any device to the pins 2, 5 or 6 in
order to avoid damaging the terminal.
Table 9: RJ-11 extension connector pin functions
Pin Function
1 Not connected
2 Not connected
3 B
4 A
5 Not connected
6 Not connected
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Technical specifications
42