User's Manual

26 | About the Radio
Aprisa SR User Manual
Front Panel Connections
All connections to the radio are made on the front panel. The functions of the connectors are (from left to
right):
Designator
Description
A1 / A2
The A1, A2 are alarm connections are used in the Protected
Station.
10 - 30 VDC; 3A
+10 to +30 VDC (negative ground) DC power input using
Phoenix Contact 4 pin male screw fitting connector.
AC/DC and DC/DC power supplies are available as accessories.
See ‘External Power Supplies’ on page 60.
ETHERNET 1
Integrated 10Base-T/100Base-TX layer-2 Ethernet switch using
RJ45 connector.
Used for Ethernet user traffic and product management.
See ‘Ethernet > Port Setup’ on page 108.
ETHERNET 2
Integrated 10Base-T/100Base-TX layer-2 Ethernet switch using
RJ45 connector.
Used for Ethernet user traffic and product management.
See ‘Ethernet > Port Setup’ on page 108.
MGMT
Management Port using USB micro type B connector.
Used for product configuration with the Command Line
Interface.
See ‘Connecting to the Management Port’ on page 213.
Host Port using USB standard type A connector.
Used for software upgrade and diagnostic reporting.
See ‘Radio Software Upgrade’ on page 222 and ‘Maintenance >
General’ on page 134.
SERIAL
RS-232 traffic interface using a RJ45 connector.
Used for RS-232 asynchronous user traffic only.
See ‘Serial’ on page 102.
ANT
(Antenna connector)
TNC, 50 ohm, female connector for connection of antenna
feeder cable.
See ‘Coaxial Feeder Cables’ on page 53.