About the Radio | 55
Aprisa SRi User Manual 1.1.0
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
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
on page 77.
ETHERNET 1 & 2
Integrated 10Base-T/100Base-TX layer-3 Ethernet switch using RJ45 connectors.
Used for Ethernet user traffic and product management.
See
on page 147.
SERIAL 1
One port of RS-232 serial using RJ45 connector.
Used for RS-232 asynchronous user traffic.
See
’ on page
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
’ on
page 323 and
’ on
page 231.
ALARM
Alarm Port using a RJ45 connector.
Used for two alarm inputs and two alarm outputs.
See
’ on page
MGMT
Management Port using a USB micro type B connector.
Used to access the radio Command Line Interface (CLI).
See
Connecting to the CLI via the Management Port
’ on
page 306
PROTECT
Protect port. Not used for the SRi.
ANT
TNC, 50 ohm, female connector for connection of antenna feeder cable for half
duplex RF operation.
See
’ on
page 69.