NRI—Brief description
262 NGT Transceiver System Technical Service Manual
Remote control junction box
The RCJB can be configured to operate as one of the following:
• a modem adaptor
• an additional system connection point for the RTU–282/292
Modem adaptor
The modem adaptor is a remote control junction box that is used to connect an HF Data
Modem 3012 into an NGT data system. The modem adaptor has been configured to act
as a CIB interface for the 3012 at the transceiver site. It provides a connection for the
transfer of serial data between the PC at the control site and the 3012 at the transceiver
site. The modem adaptor also provides a 15-way port for system audio and control lines
to and from the 3012.
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