4RF Aprisa SR+ User Manual - page 43
About the Radio | 41
Aprisa SR+ User Manual 1.5.3
Front Panel Connections
Example; 2 Ethernet ports and 2 RS-232 serial ports - see ‘Data Interface Ports’ on page 324 for the other
interface port options.
Interface Port Option
Part Number
2 Ethernet ports and 2 RS-232 serial ports
APSQ-N400-SSC-HD-22-ENAA
All connections to the radio are made on the front panel. The functions of the connectors are (from left to
right):
Designator
Description
10 - 30 VDC; 3A
+10 to +30 VDC (negative ground) DC power input using Molex 2 pin male screw
fitting connector.
AC/DC and DC/DC power supplies are available as accessories. See ‘External
Power Supplies’ on page 63.
ETHERNET 1 & 2
Integrated 10Base-T/100Base-TX layer-3 Ethernet switch using RJ45 connectors.
Used for Ethernet user traffic and product management.
See ‘Ethernet > Port Setup’ on page 130.
SERIAL 1 & 2
Two ports of RS-232 serial using RJ45 connectors.
Used for RS-232 asynchronous user traffic.
See ‘Serial > Port Setup’ on page 120.
Host Port using a USB standard type A connector.
Used for software upgrade and diagnostic reporting and optional: 1x RS-232
asynchronous port with USB to RS-232 converter.
See ‘Software Upgrade’ on page 360 and ‘Maintenance > General’ on page 196.
ALARM
Alarm Port using a RJ45 connector.
Used for two alarm inputs and two alarm outputs.
See ‘Hardware Alarms Interface’ on page 392.
MGMT
Management Port using a USB micro type B connector.
Used for product configuration with the Command Line Interface.
See ‘Connecting to the Management Port’ on page 317.
PROTECT
Protect port. Used for Protected Station operation.
TX / ANT
TNC, 50 ohm, female connector for connection of antenna feeder cable for half
duplex RF operation or the Transmit connection to an external duplexer for full
duplex RF operation or to an external filter.
See ‘Coaxial Feeder Cables’ on page 55.
RX
TNC, 50 ohm, female connector for the Receive connection to an external
duplexer for full duplex RF operation or to an external filter.