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2

MDS 1710A/C and MDS 2710A/C/D

MDS 05-3447A01, Rev. F

 

NOTE:

 

Some features may not be available, based on the options
purchased and the applicable regulations for the region in

 

which the radio will operate.

 

1.2 Differences Between Models

 

All models of the MDS 1710/2710 Series are very similar in appearance 
and functionality. The major differences are in frequency coverage, 
channel bandwidth and data speed. 

Table 1

 summarizes the available 

models and identifies the characteristics of each. 

To determine the specific settings for your radio (as originally shipped 
from the factory), please refer to the Product Configurator chart shown 
in 

Figure 4

 

NOTE:

 

The operating software for A, C, and D models is 

 

not

 

 inter-

 

changeable.

 

NOTE:

 

The narrow bandwidth of the MDS 2710D transceiver is not
compatible with standard analog modems, including the
widely used Bell 202T. The MDS 2710D is intended for digital

 

RS-232 data only.

 

1.3 Applications

 

Point-to-Multipoint, Multiple Address Systems (MAS)

 

This is the most common application of the transceiver. It consists of a 
central master station and several associated remote units as shown in 

Figure 2

. An MAS network provides communications between a central 

host computer and remote terminal units (RTUs) or other data collection 
devices. The operation of the radio system is transparent to the computer 
equipment.

 

Table 1. MDS 1710/2710 Series Characteristics

 

Radio 

Model No.

Operating 

Frequency

Channel 

Bandwidth

Over-the-Air 

Data Speed

Output

Power (W)

 

MDS 1710A

130–174 MHz

12.5 kHz

9600 bps

5

MDS 1710C

130–174 MHz

25 kHz

19200 bps

5

MDS 2710A

216–220 MHz

12.5 kHz

9600 bps

2

MDS 2710A

220–240 MHz

12.5 kHz

9600 bps

5

MDS 2710C

216–220 MHz

25 kHz

19200 bps

2

MDS 2710C

220-240 MHz

25 kHz

19200 bps

5

MDS 2710D

220–222 MHz

5 kHz

3200 bps

5

 

Consult factory for current regulatory approvals on these products.

MDS 05-3447A01, Rev. F

MDS 1710A/C and MDS 2710A/C/D

39

The upgrade software can be run on an IBM-compatible computer con-
nected to the radio’s 

DIAG.

 port via an RJ-11 to DB-9 adapter (MDS P/N 

03-3246A01). If desired, an adapter cable may be constructed from 
scratch using the information shown in 

Figure 13

.

To initiate the upgrade, insert the upgrade diskette in Drive A:. Set the 
working directory to 

A:

 (example: from a DOS prompt type 

A:\

). Next, 

type 

UPGRADE

 and press the 

ENTER

 key. (If you have the radio connected 

via the Com2 serial port, type 

UPGRADE-2

 instead.) The upgrade soft-

ware will normally run automatically without any further prompts.

The radio’s 

PWR

 LED will flash rapidly to confirm that a download is 

in process. The download takes about two minutes.

NOTE:

If a software download fails, the radio is left unprogrammed
and inoperative. This is indicated by the 

PWR

 LED flashing

slowly (1 second on, 1 second off). This condition is only
likely if a power failure occurred to the computer or radio
during the downloading process. The download can be
attempted again when the fault has been corrected.

Using Radio Configuration Software

If you already have software that you wish to download into the trans-
ceiver, Radio Configuration Software (MDS P/N 03-3156A01) may be 
used to perform the installation. To use this method, proceed as follows:

Connect a PC to the radio’s 

DIAG.

 port via an RJ-11 to DB-9 adapter 

(MDS P/N 03-3246A01). If desired, an adapter cable may be con-
structed from scratch using the information shown in 

Figure 13

.

Run the Radio Configuration software. Under the 

SYSTEM

 menu, select 

RADIO SOFTWARE UPGRADE

. Follow the prompts and online instructions 

to locate the desired software and complete the upgrade.

The radio’s 

PWR

 LED will flash rapidly to confirm that a download is 

in process. The download takes about two minutes.

NOTE:

If a software download fails, the radio is left unprogrammed
and inoperative. This is indicated by the 

PWR

 LED flashing

slowly (1 second on, 1 second off). This condition is only
likely if a power failure occurred to the computer or radio
during the downloading process. The download can be
attempted again when the fault has been corrected.

Summary of Contents for MDS 1710 A

Page 1: ...ness 1 585 242 9600 FAX 1 585 242 9620 Web www microwavedata com 175 Science Parkway A product of Microwave Data Systems Inc Installation Operation Guide MDS 05 3447A01 REV F SEPTEMBER 2004 Data Transceiver Microwave Data Systems Inc MDS 1710 A C MDS 2710A C D ...

Page 2: ... our Customer Support Team during business hours 8 00 A M 5 30 P M Eastern Time When calling please give the complete model number of the radio along with a description of the trouble symptom s that you are experiencing In many cases prob lems can be resolved over the telephone without the need for returning the unit to the factory Please use one of the following means for product assistance Phone...

Page 3: ...5 3 0 INSTALLATION 8 3 1 Installation Steps 9 3 2 Transceiver Mounting 11 3 3 Antennas and Feedlines 11 Feedlines 12 3 4 Power Connection 12 3 5 Data Interface Connections 13 3 6 Using the Radio s Sleep Mode 13 Sleep Mode Example 13 4 0 OPERATION 15 4 1 LED Indicators 16 4 2 RSSI Measurement 16 5 0 TRANSCEIVER PROGRAMMING 17 5 1 Hand Held Terminal Connection Startup 17 5 2 Hand Held Terminal Setup...

Page 4: ...rade Diskette 38 Using Radio Configuration Software 39 7 6 dBm Watts Volts Conversion Chart 40 I 5 MDS 1710A C and MDS2710A C D MDS 05 3447A01 Rev F length vs loss in coaxial cables 12 Technical reference 33 40 Technical reference bench test setup 36 37 TEMP command 29 Temperature displaying internal TEMP command 29 Testing See bench testing TEXT TOO LONG error message 20 Timer set display time ou...

Page 5: ...e Radio defined 8 T Tables accessories 5 alarm code definitions 32 command summary 20 conversions dBm Watts Volts 40 data interface connector pinouts 14 Hand Held Terminal HHT operational settings 19 LED status indicators 16 MDS 05 3447A01 Rev F MDS 1710A C and MDS 2710A C D iii Copyright Notice This Installation and Operation Guide and all software described herein are protected by copyright 2004...

Page 6: ...DS 2710A D model number codes 4 network wide diagnostics 35 point to point link 3 remote station arrangement 9 RJ 11 to DB 9 adapter cable 36 RSSI vs Vdc 13 16 transceiver connectors indicators 1 transceiver mounting dimensions 11 INCORRECT ENTRY error message 19 INIT command 26 INIT xx10 command 26 INIT xx20 command 26 InSite software using to perform remote diagnostics 34 Installation 8 15 anten...

Page 7: ...network wide diagnostics procedures 35 Environment specifications 34 Equalization defined 6 Error messages 19 access denied 20 command failed 20 EEPROM failure 20 incorrect entry 19 not available 20 not programmed 20 text too long 20 unknown command 19 F Fade margin defined 7 Feedlines 12 Filter helical adjustment 37 Frame defined 7 Frequency adjusting helical filter when changed 37 setting See TX...

Page 8: ... KEY command 25 DLINK enable disable network wide diagnostics 25 DMGAP set time to wait between characters 25 DTYPE set radio to Root or Node for diagnostics 25 DUMP display all programmed settings 26 entering on Hand Held Terminal HHT 19 Hand Held Terminal HHT 19 HREV display hardware revision level 26 INIT reinitialize radio to factory defaults 26 INIT xx10 restore standard transceiver defaults ...

Page 9: ...Po 107 1000 108 900 109 800 110 710 01pW 111 640 112 580 113 500 114 450 115 400 116 355 117 325 118 285 119 251 120 225 001pW 121 200 122 180 123 160 124 141 125 128 126 117 127 100 128 90 129 80 1ƒW 130 71 131 61 132 58 133 50 134 45 135 40 136 35 137 33 138 29 139 25 140 23 01ƒW MDS 05 3447A01 Rev F MDS 1710A C and MDS 2710A C D 1 1 0 GENERAL 1 1 Introduction This guide presents installation an...

Page 10: ...software can be run on an IBM compatible computer con nected to the radio s DIAG port via an RJ 11 to DB 9 adapter MDS P N 03 3246A01 If desired an adapter cable may be constructed from scratch using the information shown in Figure 13 To initiate the upgrade insert the upgrade diskette in Drive A Set the working directory to A example from a DOS prompt type A Next type UPGRADE and press the ENTER ...

Page 11: ...en calling please have the serial number s available for the radio s that you wish to upgrade FRONT PANEL OF RADIO J301 U104 U101 U202 HELICAL ADJUSTMENTS U203 SHIELD COVER MDS 05 3447A01 Rev F MDS 1710A C and MDS 2710A C D 3 Often a radio system consists of many widely separated remote radios A point to multipoint or SCADA Supervisory Control and Data Acqui sition system may be a new installation...

Page 12: ...ina F FCC I Ind Canada 6 25 kHz 130 174 2710A C D 4 165 174 1 130 140 MDS 2710A C Models A 220 222 MDS 2710D Models 1 220 222 MDS 05 3447A01 Rev F MDS 1710A C and MDS 2710A C D 37 NOTE It is very important to use attenuation between all units in the test setup The amount of attenuation required will depend on the number of units being tested and the desired signal strength RSSI at each transceiver...

Page 13: ... 1710A C and MDS 2710A C D 5 1 5 Accessories The transceiver can be used with one or more of the accessories listed in Table 2 Contact Microwave Data Systems for ordering information 2 0 GLOSSARY OF TERMS If you are new to digital radio systems some of the terms used in this guide may be unfamiliar The following glossary explains many of these terms and will prove helpful in understanding the oper...

Page 14: ...er the DSP circuitry is responsible for the most critical real time tasks primarily modulation demodulation and servicing of the data port DTE Data Terminal Equipment A device that provides data in the form of digital signals at its output Connects to the DCE device Equalization The process of reducing the effects of amplitude fre quency or phase distortion with compensating networks MDS 05 3447A0...

Page 15: ...ngth due to multipath slight antenna movement or changing atmospheric losses A fade margin of 20 to 30 dB is usually sufficient in most systems Frame A segment of data that adheres to a specific data protocol and contains definite start and end points It provides a method of synchro nizing transmissions Hardware Flow Control A transceiver feature used to prevent data buffer overruns when handling ...

Page 16: ...rule reflected power should not exceed 10 of the forward power 2 1 SWR 3 0 INSTALLATION There are three main requirements for installing the transceiver ade quate and stable primary power a good antenna system and the correct data connections between the transceiver and the data device Figure 5 shows a typical remote station arrangement MDS 05 3447A01 Rev F MDS 1710A C and MDS 2710A C D 33 7 0 TEC...

Page 17: ...A data framing error has been detected on the DATA INTERFACE connector This may indicate a baud rate mismatch between the radio and the RTU 19 24 Not used 25 Minor The 5 6 volt power regulator is out of tolerance If the error is excessive operation may fail 26 Minor The DC input voltage is out of tolerance If the voltage is too far out of tolerance operation may fail 27 28 Not used 31 Minor The tr...

Page 18: ...ent correct cable wiring proper data format timing etc 6 1 LED Indicators The LED status indicators are an important troubleshooting tool and should be checked whenever a problem is suspected Table 5 on page 16 describes the function of each status LED 6 2 Event Codes When an alarm condition exists the transceiver creates a code that can be read on an HHT connected to the DIAG port These codes can...

Page 19: ...station as the rest of the system depends on the master for polling commands If the master station has problems the operation of the entire network can be compromised It is good practice to start by checking the simple things For proper operation all radios in the network must meet these basic requirements Adequate and stable primary power The radio contains an inter nal self resetting fuse 4A Rem...

Page 20: ...ferent types of information based on the command variables The different parameters are DC Display DC input output voltages PORT Display the connector port RJ 11 or DB 25 that is active for diagnostics and control PWR Display RF power output SNR This command continuously displays the signal to noise ratio of the received signal expressed in dB until you press the Enter key As used in this guide th...

Page 21: ...corded at the fac tory MDS 05 3447A01 Rev F MDS 1710A C and MDS 2710A C D 13 3 5 Data Interface Connections The transceiver s DATA INTERFACE connector is used to connect the transceiver to an external DTE data terminal that supports the EIA 232 formally RS 232 format The transceiver supports asynchronous data rates of up to 38400 bps The data rate at the DATA INTERFACE connector may differ from th...

Page 22: ... future use 16 IN PTT Push to Talk This line is used to key the radio with an active low signal of 0 Vdc 17 Do not connect Reserved for future use 18 IN OUT Accessory Power Unregulated Input Output Provides a source of input power for low current accessories Excessive drain on this connection will trip self resetting fuse F1 on the transceiver PC board The voltage at this pin will match the input ...

Page 23: ...A01 Rev F MDS 1710A C and MDS 2710A C D 15 Invisible place holder 4 0 OPERATION In service operation of the transceiver is completely automatic Once the unit has been properly installed and configured operator actions are limited to observing the front panel LED status indicators for proper operation If all parameters are correctly set operation of the radio can be started by following these steps...

Page 24: ...lected the radio is assumed to be controlling another radio The RTS line is ignored and the CTS line is used as a keyline con trol for the other radio CTS is asserted immediately following the receipt of RF data but data will not be sent out the DATA INTERFACE port until after the CTS programmable delay time has expired This gives the other radio time to key DKEY This command deactivates the trans...

Page 25: ...at the transceiver s DATA INTERFACE connector If DATAKEY is set to OFF the radio needs to be keyed by asserting either the RTS or PTT signal or with the CKEY or KEY command DEVICE DCE CTS KEY The DEVICE command sets or displays the device behavior of the radio The command parameter is either DCE or CTS KEY MDS 05 3447A01 Rev F MDS 1710A C and MDS 2710A C D 17 5 0 TRANSCEIVER PROGRAMMING Programmin...

Page 26: ...NSE command sets or displays the sense of the alarm output at Pin 25 of the DATA INTERFACE connector Entering the ASENSE command alone shows whether the alarm output is active high or low Entering the ASENSE command followed by HI or LO resets the alarm output to active high or low BAUD xxxxx abc This command sets or displays the communication attributes for the DATA INTERFACE port It has no effec...

Page 27: ...Display the internal temperature of the radio in degrees Celsius TOT 1 255 ON OFF Details page 30 Set or display the Time out Timer delay in seconds TX xxx xxxxx Details page 30 Set or display the transmit frequency UNIT 10000 65000 Details page 30 Set or display the transceiver s unit address Table 7 Command summary Continued Command name Function MDS 05 3447A01 Rev F MDS 1710A C and MDS 2710A C ...

Page 28: ...gnostics Sets the amount of time to wait after the receipt of a character before interpreting the next received character as the start of a new message MDS 05 3447A01 Rev F MDS 1710A C and MDS 2710A C D 21 DTYPE NODE ROOT Details page 25 Diagnostics Sets up a radio as a Root or Node radio Associated commands are GATE and PEER See MDS Network Wide Diagnostics System Handbook MDS P N 05 3467A01 for ...

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