LT-3100 User & Installation Manual Rev. 1.06 Interfaces
Lars Thrane A/S www.thrane.eu Page 33 of 155
External Output (External Ringer)
The LT-3100 system support connection of an external speaker for incoming call notifications. Connection
of the external speaker must be completed as illustrated in Figure 36, incl. a relay. The maximum voltage
and current for the relay are illustrated in the figure. Aux Cable Pin 2 External Output (Pin2) and External
Output (Pin1) designation and wire colors are listed in Table 3 on page 31.
NOTE: The External Ringer functionality must be configured in the web server, Configuration –
External I/O, described in External – I/O on page 123.
External Input
The LT-3100 system is not supporting any functionality for the External I/O Input.
RS-422 (GNSS, BAM, and MSI)
The LT-3100 system Auxiliary RS-422 (bi-directional) interface can be configured to support different
functions. The following functions are supported:
• GNSS (see GNSS sentences on page 97)
• BAM (see BAM sentences page 98)
The RS-422 interface can be configured using the web server, see GNSS and BAM on page 124.
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