GE MDS SD Series Quick Start Manual

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1.0 INTRODUCTION
The MDS SD transceiver (Figure
industrial solution for use in wireless telemetry applications. The
SD models currently offered include: MDS SD2 (200 MHz), MDS
SD4 (400 MHz) and MDS SD9 (900 MHz). 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.
LED INDICATOR
PANEL
CONNECTOR (RJ-45)
DC INPUT
POWER
SERIAL DATA
CONNECTORS (DB-9)
COM1 used for radio management
Figure 1. MDS SD Data Transceiver
1.1 About This Guide
This guide covers SD transceivers operating in x710-Compatible
Mode. A more detailed Reference Manual is also available
(05-4670A01). SD manuals are available in printed or electronic
form. All GE MDS manuals are available free of charge at
www.gemds.com.
1.1.1 Packet/Transparent Mode—Different
Manuals Required
For SD radios operating in menu-based Packet or Transparent
Modes, refer to these manuals:
• Start-Up Guide (05-4847A01)
• Reference Manual (05-4846A01)
2.0 INSTALLATION
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 shows a typical installation of the radio.
NOTE: Retrofit Kits are available to simplify installation at former
MDS x710 digital and analog sites. Consult the Refer-
ence Manual for ordering 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.
05-4669A01, Rev. D
1) is a software-configurable,
ETHERNET
ANTENNA
CONNECTOR (TNC)
Invisible place holder
Invisible place holder
MDS SD Series Quick Start Guide (x710 Mode)
Quick Start Guide (x710 Mode)
1. Mount the transceiver using the brackets supplied. Attach
the brackets to the bottom of the transceiver case (if not
already attached), using the 6-32 x 1/4 inch (6 mm) screws
supplied. Mounting bracket dimensions are shown in
If DIN Rail mounting brackets are used, consult the Reference
Manual for details.
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.
ANTENNA SYSTEM
Master Stations typically use
omni-directional antenna
TRANSCEIVER
DC POWER SUPPLY
Negative Ground Only
TO
DATA TELEMETRY
DEVICE
Figure 2. Typical Installation (Remote Site Shown)
6.675˝ (16.95 cm)
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 to
the COM port using Serial protocols (RS-232/RS-485).
MDS SD Series
Figure 3.
1