4RF Aprisa SRi Manuale di avvio rapido - Pagina 3

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Page 3

Introduction

The 4RF Aprisa SRi is a Point-To-Multipoint (PMP) digital radio providing 915 MHz Industrial (unlicensed) License Free Spread

Spectrum communications. The radios carry a combination of serial data and Ethernet data between the base station and

remote radios. A single Aprisa SRi is configurable as a Point-To-Multipoint base station or remote radio.

This guide provides a quick startup and basic installation instructions for the Aprisa SRi radio shown in the next figure below.

A more detailed User Manual is also available. Refer to the User Manual for important warning, cautions and notes and any

detailed management relating to fault, configuration, maintenance, performance monitoring, and security.

All connections to the radio are made on the front panel. The functions of the connectors are (from left to

right):

Designator

10 - 30 VDC; 3A

ETHERNET 1 & 2

SERIAL 1 & 2

ALARM

MGMT

PROTECT

ANT

Description

+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.

Integrated 10Base-T/100Base-TX layer-3 Ethernet switch using RJ45 connectors.

Used for Ethernet user traffic and product management.

Two ports of RS-232 serial using RJ45 connector.

Used for RS-232 asynchronous user traffic.

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.

Alarm Port using a RJ45 connector.

Used for two alarm inputs and two alarm outputs.

Management Port using a USB micro type B connector.

Used to access the radio Command Line Interface (CLI).

Protect port. Not used for the SRi.

TNC, 50 ohm, female connector for connection of antenna feeder cable for half

duplex RF operation.