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GE MDS SD Series Quick Start Manual

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05-4847A01, Rev. B MDS SD Series Quick Start Guide 1

MDS SD Series

Quick Start Guide (Firmware 3.x)

The MDS SD Series transceiver (Figure 1) is a software-configu-

rable, industrial solution for use in wireless telemetry applications.

As of the publication date, two SD models are offered: 400 MHz

(SD4) or 900 MHz (SD9). In this guide, the term SD is used for

information common to all models of the radio.

The radio interfaces with a variety of data control equipment such

as remote terminal units (RTUs), programmable logic controllers

(PLCs), flow computers, and similar devices. Data interface con-

nections may be made by both serial (RS-232/485) and limited

Ethernet protocols.

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Figure 1. MDS SD Data Transceiver

1.1 About This Guide

This guide covers SD transceivers operating in Packet Mode or

Transparent Mode. A more detailed Reference Manual is also

available (05-4846A01). SD manuals are available in printed or

electronic form. All manuals are available free of charge at

www.gemds.com.

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1.1.1 x710 Mode—Different Manuals Required

The radio can be configured to emulate an MDS 4710 (400 MHz)

or 9710 (900 MHz) radio. (These radios are referred to as “x710”

here.) For x710 mode commands, consult these manuals:

• Start-Up Guide (05-4669A01)

• Reference Manual (05-4670A01)

There are three main requirements for installing the transceiver...

• Adequate and stable primary power

• An efficient and properly installed antenna system

• Correct interface connections between the transceiver and

the data device.

Figure 2 on Page 1 shows a typical installation of the radio.

NOTE: Retrofit Kits are available to ease installation at former

MDS x710 digital and analog sites. Consult the Refer-

ence Manual for details.

2.1 Installation Steps

In most cases, the steps given here are sufficient to install the

transceiver. Refer to the Reference Manual for additional details,

as required.

1. Mount the transceiver using the brackets supplied. Attach

the brackets to the bottom of the transceiver case (if not

already attached), using the four 6-32 x 1/4 inch (6 mm)

screws. Mounting bracket dimensions are shown in Figure 3.

If DIN Rail mounting brackets are to be used, consult the

Reference Manual.

NOTE: To prevent moisture from entering the radio, do not mount

the case with the cable connectors pointing up. Also,

dress all cables to prevent moisture from running along

the cables and into the radio.

CAUTION:Using screws longer than 1/4 inch (6 mm) to attach the

brackets to the radio may cause internal damage. Use

only the supplied screws.

Figure 2. Typical Installation

Figure 3. Mounting Bracket Dimensions

2. Install the antenna and feedline. The antenna used with the

radio must be designed to operate in the radio’s frequency

band, and be mounted in a location providing a clear path to

the associated station(s). At Remote sites, aim directional

antennas toward the Master Station. Low loss coaxial feedline

should be used and it should be kept as short as possible.

3. Connect the data equipment. Connection may be made

using Ethernet signaling, Serial protocols (RS-232/RS-485),

or both.

1.0 INTRODUCTION

2.0 INSTALLATION

ANTENNA

CONNECTOR (TNC)

SERIAL DATA

CONNECTORS (DB-9)

DC INPUT

POWER

LED INDICATOR

PANEL

ETHERNET

CONNECTOR (RJ-45)

COM1 used for radio management

POWER SUPPLY

10.5–16 VDC @ 2.5A

Negative Ground Only

TRANSCEIVER

LOW-LOSS FEEDLINE

ANTENNA SYSTEM

ETHERNET

SERIAL

Master Stations typically use

omni-directional antenna

DATA TELEMETRY DEVICE

OR HOST COMPUTER

OR:

7.25˝ (16.99 cm)

2.75˝ (7 cm)