54 | About the Radio
Aprisa SRi User Manual 1.1.0
Interfaces
Antenna Interface
•
1 x TNC, 50 ohm, female connector
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
•
2 ports RS-232 asynchronous ports using RJ45 connectors
•
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, diagnostic reporting and configuration save / restore.
Protect Interface
•
1x Protect interface port
Not applicable for the Aprisa SRi radio.
Alarms Interface
•
1x Alarm port using RJ45 connector
Used to provide 2 x hardware alarm inputs and 2 x hardware alarm outputs