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Chapter 10: Hardware Interfaces
10.2 Analogue 2-wire Interface
R J 1 1
The BDU has three RJ11 ports, which can be used for connection of analogue
phones or fax.
The connector outline and pin assignments are described in Figure 11-1 and
table below. Max, cable length BDU to phone/fax is 200 meter.
Pin number
1
2
3
4
5
6
54
Pin function
-
-
2-Wire (tip)
2-Wire (ring)
-
-
Analogue 2-wire Interface
1
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