805U-D

Installation Guide

Statutory Requirements

Unlicensed operation limits the radio power. High gain aerials may only be used to compensate for cable losses. Systems should be designed for a duty factor of less than 10% to comply with licence-free regulations.

Antenna Installation

COLINEAR

ANTENNA

1m minimum

805U-D Wiring

Power supply 10 – 30 VDC / 10 – 24 VAC

10 – 30 +

VDC -

Connect “

-

”terminal to

GROUND for surge protection

+

-

805U-D

B

805U

A

10 - 24

VAC

+

-

805U-D

WEATHERPROOF

CONNECTORS WITH

“3M 23” TAPE

SURGE

ARRESTOR

(OPTIONAL)

COAXIAL CABLE

STRESS RELIEF LOOP

RS485 Connection

_

PC’s

RS232 Connections

PLC’s, Dataloggers

+

ANT

805U

GND

PROVIDE GOOD

GROUND

CONNECTION TO

MAST, MODULE

AND SURGE

ARRESTOR

MAST

INSTALL AERIAL ABOVE

LOCAL OBSTRUCTIONS

EARTH STAKE

IF GROUND CONDITIONS ARE

POOR, INSTALL MORE THAN

ONE STAKE

805U

DB9

MALE

DTE HOST

DB9

FEMALE

805U

DB9

MALE

DCE HOST

DB9

MALE

© ELPRO Technologies Pty. Ltd. 2001 Rev. 1.3