MDS EL705 OEM Series Specifications Page 1

Installation and Operation GuideEL705 OEM SeriesBoard VersionEnclosed Version220 MHz and 450 MHz Data TransceiversMDS 05-3624A01, Rev. BJANUARY 2001™

2 OEM Series™ I/O Guide MDS 05-3624A01, Rev. B Modem SpeedsDomestic models are capable of 9600 bps transmission over the air; ETSI models, 4800 b

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 3 Invisible place holderFigure 2. MAS Point-to-Multipoint Network(Two remote stations shown—four or

4 OEM Series™ I/O Guide MDS 05-3624A01, Rev. B Switched Carrier OperationSwitched Carrier operation is a half-duplex mode where the master statio

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 51.4 AccessoriesThe transceiver can be used with one or more of the accessories listed in Table 1. Contac

6 OEM Series™ I/O Guide MDS 05-3624A01, Rev. B2.0 INSTALLATIONThere are three main requirements for installing the transceiver—adequate and stable pri

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 74. Set the radio configuration. The transceiver is designed for quick installation with a minimum of soft

8 OEM Series™ I/O Guide MDS 05-3624A01, Rev. B2.2 Mounting the TransceiverTransceiver BoardFigure 6 shows the mounting dimensions of the transceiver P

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 92.3 Antennas and FeedlinesAntennasThe transceiver can be used with a number of antennas. The exact style

10 OEM Series™ I/O Guide MDS 05-3624A01, Rev. BTables 2 and 3 show the losses that occur when using various lengths and types of cable at 200 and 400

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 11Conservation (Sleep Mode)In some installations, such as at solar-powered sites, it may be necessary to

QUICK START GUIDEBelow are the basic steps for installing the transceiver. Detailed instructions are given in “Installation Steps” on page 6 of this g

12 OEM Series™ I/O Guide MDS 05-3624A01, Rev. B6 OUT DSR—Data Set Ready. Active when radio is powered on.7 -- Signal Ground. Connects to ground (negat

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 133.0 OPERATIONIn-service operation of the transceiver is completely automatic. Once the unit has been pr

14 OEM Series™ I/O Guide MDS 05-3624A01, Rev. B4.0 TRANSCEIVER PROGRAMMINGProgramming and set-up of the transceiver is performed through the radio’s D

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 15Invisible place holderFigure 11. Terminal Interface (PC) Connected to the Transceiver(Pin 23 on cable m

16 OEM Series™ I/O Guide MDS 05-3624A01, Rev. BInvisible place holderFigure 12. DB-25 to DB-9 Adapter Cable(For PC control and programming)4.3 Keyboar

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 17ACCESS DENIED—The command is unavailable to the user. Refer to the command descriptions for command inf

18 OEM Series™ I/O Guide MDS 05-3624A01, Rev. B4.4 Detailed Command DescriptionsThe only essential commands for most applications are transmit frequen

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 19Thus, an eight-digit hexadecimal number can classify up to 32 events as alarm triggers for the alarm ou

20 OEM Series™ I/O Guide MDS 05-3624A01, Rev. BFor DCE operation (see DEVICE command), this command has no effect. The response CTSHOLD n/a is display

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 21• PWR is set to H [+33 dBm (2 watts)]• RXTOT is set to NONE• TOT is set to OFFAll other commands stay a

MDS 05-3624A01, Rev. B OEM Series I/O Guide i TABLE OF CONTENTS1.0 INTRODUCTION ...

22 OEM Series™ I/O Guide MDS 05-3624A01, Rev. BRSSI and RSSI!These commands continuously display the radio’s Received Signal Strength Indication (RSSI

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 23If an alarm does exist, a two-digit code (00–31) is displayed and the alarm is identified as MAJOR or M

24 OEM Series™ I/O Guide MDS 05-3624A01, Rev. B5.0 TROUBLESHOOTINGSuccessful troubleshooting of the radio system is not difficult, but it requires a l

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 25Major Alarms vs. Minor AlarmsMajor Alarms—report serious conditions that generally indicate a hardware

26 OEM Series™ I/O Guide MDS 05-3624A01, Rev. B6.0 TECHNICAL REFERENCE6.1 OEM Series™ Transceiver SpecificationsMODELSMDS OEM Series™ 200: Licensed 20

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 27RECEIVERType: Double conversion superheterodyne(84 MHz and 450 MHz IF)Frequency Ranges (200 MHz): 220 t

28 OEM Series™ I/O Guide MDS 05-3624A01, Rev. B6.2 Bench Testing SetupFigure 13 shows a sample test setup that can be used to verify the basic operati

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 291. For enclosed units, remove the top cover from the transceiver by loosening the eight screws and lift

30 OEM Series™ I/O Guide MDS 05-3624A01, Rev. BUsing Radio Configuration SoftwareIf you already have software that you wish to download into the trans

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 316.5 dBm-Watts-Volts Conversion ChartTable 8 is provided as a convenience for determining the equivalent

ii OEM Series I/O Guide MDS 05-3624A01, Rev. B DEVICE [DCE | CTS KEY] ...20DKEY...

32 OEM Series™ I/O Guide MDS 05-3624A01, Rev. B7.0 GLOSSARY OF TERMSIf you are new to digital radio systems, some of the terms used in this guide may

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 33Fade Margin—The greatest tolerable reduction in average received signal strength that is anticipated un

34 OEM Series™ I/O Guide MDS 05-3624A01, Rev. BRSSI—Received Signal Strength Indication. A measure, in dBm, of the strength of the signal received by

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide I-1INDEXAACCESS DENIED error message 17Accessories 5Accessory power adapter 5Accessory Power pinout (Pin

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide I-2EEEPROM FAILURE error message 17Enable/disablediagnostic channel, pinout (Pin 23) 12Environment specifi

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide I-3Poll, defined 33Powerconnection 10installing 6LED status indicator (PWR LED) 13RF, chart for converting

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide I-4specifications 26–27upgrading software 29Transmitterspecifications 26Troubleshooting 24–25connecting ter

IN CASE OF DIFFICULTY...MDS products are designed for long life and trouble-free operation. However, this equipment, as with all electronic equipment

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MDS 05-3624A01, Rev. B OEM Series I/O Guide iii Copyright NoticeThis Installation and Operation Guide and all software described herein are prote

iv OEM Series I/O Guide MDS 05-3624A01, Rev. B MDS Quality Policy StatementWe, the employees of Microwave Data Systems Inc., are committed to und

MDS 05-3624A01, Rev. B OEM Series I/O Guide v 5. When installed in a Class I, Div. 2, Groups A, B, C or D hazardous location, observe the follow

vi OEM Series I/O Guide MDS 05-3624A01, Rev. B

MDS 05-3624A01, Rev. B OEM Series™ I/O Guide 1 1.0 INTRODUCTIONThis guide presents installation and operating instructions for the MDS OEM Series