About the Radio | 37
Aprisa SRx User Manual 1.3.0
Interfaces
Antenna Interface
2 x TNC, 50 ohm, female connectors
Hardware option of single or dual antenna ports (with or without the use of external
duplexer/filter)
Ethernet Interface
2 ports 10/100 base-T Ethernet layer 2 switch using RJ45
Used for Ethernet user traffic and radio sub-network management.
RS-232 / RS-485 Interface
1 RS-232 asynchronous ports using RJ45 connector
Optional 1x RS-232 or RS-485 asynchronous port using USB host port with USB to RS-232 or USB to
RS-485 converters
USB Interfaces
1 x Management port using USB micro type B connector
Used for product configuration with the Command Line Interface (CLI).
1 x Host port using USB standard type A connector
Used for software upgrade and diagnostic reporting.
Protect Interface
1x Protect interface port
Used for the Protected Station operation.
Alarms Interface
1x Alarm port using RJ45 connector
Used to provide 2 x hardware alarm inputs and 2 x hardware alarm outputs