INSYS Modem 56k small EU 2.1
Connections
15
6.4
RJ12 Phone connection
Figure 4: RJ12 jack connected to TAE jack
Pin
Signal
Description
1 E
Not
connected
(GND)
2
a2
To connect a phone in series.
3
a1
Incoming
phone line (e.g. PSTN or PBX)
4 b1
Incoming
phone line (e.g. PSTN or PBX)
5
b2
To connect a phone in series.
6
W
Not connected (line to external bell)
Table 5: Layout description of the RJ12 and TAE plugs
E W
b2 b1
a2 a1