KVH Industries FB250, Installation Manual

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Chapter 4: Hardware interfaces
Analog Phone/Fax interface 71
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4.6 Analog Phone/Fax interface
4.6.1 Overview
The terminal has two RJ-11 ports, which can be used for connection of analog
phones or fax machines.
4.6.2 Pin-out
The Phone/Fax connectors are RJ-11, 6/4 female connectors. The table and
figure below show the connector outline and pin assignments.
Phone/Fax 2
Phone/Fax 1
Pin number Pin function
1 -
2 not connected
3 Tip
4 Ring
5 not connected
6 -
1 2 3 4 5 6
RJ-11 female connector