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I-5

MDS 1710A/C and MDS2710A/C/D

MDS 05-3447A01, Rev. F

length vs. loss in coaxial cables

Technical reference

33–40

Technical reference,

bench test setup,

36–37

TEMP command

Temperature, displaying internal (TEMP command)

Testing. See bench testing
TEXT TOO LONG error message

Timer, set/display time-out value and status (TOT command)

TOT command

Transceiver

applications

configuring for operation

connectors and indicators, illustrated

diagnostics using PC software

dimensions, mounting

mounting

9, 11

programming

17–20

specifications

33–34

upgrading software

Transmit Audio Input pinout (Pin 9)

Transmitter

specifications

system specifications

Troubleshooting

30–32

connecting Hand-Held Terminal (HHT) for displaying alarm

codes

performing network-wide diagnostics

STAT command (Status)

using PC software for

TX command

TXD LED

description

Pin 2

UNKNOWN COMMAND error message

Содержание 1710 A

Страница 1: ...Installation Operation Guide MDS 05 3447A01 REV F SEPTEMBER 2004 Data Transceiver Microwave Data Systems Inc MDS 1710 A C MDS 2710A C D...

Страница 2: ...2 5 A minimum Observe proper polarity The red wire is the positive lead the black is negative 4 Set the radio s basic configuration with a Hand Held Terminal HHT Set the transmit frequency TX xxx xxx...

Страница 3: ...lation 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 1...

Страница 4: ...STAT 29 TEMP 29 TOT 1 255 ON OFF 30 TX xxx xxxxx 30 UNIT 10000 65000 30 6 0 TROUBLESHOOTING 30 6 1 LED Indicators 31 6 2 Event Codes 31 Checking for Alarms STAT command 31 Major Alarms vs Minor Alarms...

Страница 5: ...anual is intended to guide a professional installer to install operate and perform basic system maintenance on the described radio MDS 2710A C 2 Watts The radio equipment described in this guide emits...

Страница 6: ...following standards CSA Std C22 2 No 142 M1987 Process Control Equipment CSA Std C22 2 No 213 M1987 Non Incendive Electrical Equipment for Use in Class I Division 2 Hazardous Locations ANSI UL Std No...

Страница 7: ...manual and the product shipped to you If you have addi tional questions or need an exact specification for a product please con tact our Customer Service Team using the information at the back of thi...

Страница 8: ...vi MDS 1710A C and MDS 2710A C D MDS 05 3447A01 Rev F...

Страница 9: ...sum of two Nyquist shaped root raised cosine responses Demodulation uses a Virterbi decoder and equalization with soft decision decoding Modulation and demodulation is accomplished using Digital Sign...

Страница 10: ...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...

Страница 11: ...type of system there is a modulator demodulator modem at the main computer and at each remote site usually built into the remote monitor itself Since the cost of leasing a dedicated pair phone line i...

Страница 12: ...lly selected whenever the transmit and receive frequencies are set to the same value Note that data turn around times are increased when a single frequency configuration is used 1 4 Product Configurat...

Страница 13: ...mote terminal unit Comes with MDS polling software 02 2093Axx that runs on a PC Useful for testing radio operation 03 2512A01 Order Wire Module External device that allows temporary voice communicatio...

Страница 14: ...erminating Equipment See DCE Data Communications Equipment See DCE Data Terminal Equipment See DTE dBi Decibels referenced to an ideal isotropic radiator in free space Frequently used to express anten...

Страница 15: ...A mode of remote diagnostics that queries and commands radios in a network with an impact on the delivery of the system payload data See Active messaging Latency The delay usually expressed in millis...

Страница 16: ...ndant Operation A station arrangement where two transceivers and two power supplies are available for operation with automatic switchover in case of a failure RTU Remote Terminal Unit A data collectio...

Страница 17: ...Connect the data equipment to the transceiver s DATA INTERFACE connector Use only the required pins for the application Do not use a fully pinned 25 conductor cable Basic applications may require only...

Страница 18: ...ory unless they were specified at the time of order Determine the transmit and receive frequencies to be used and follow the steps below to program them 6 Connect a hand held terminal HHT to the DIAG...

Страница 19: ...epends on the physical size and layout of the radio system A direc tional Yagi Figure 7 or corner reflector antenna is generally recom mended at remote sites to minimize interference to and from other...

Страница 20: ...gnal loss Cable loss slightly lower at 130 174 MHz 3 4 Power Connection The transceiver can be operated from any well filtered 10 5 to 16 Vdc power source The power supply should be capable of providi...

Страница 21: ...minimum This can be accomplished using the Sleep Mode In this mode power consumption is reduced to less than 16 milliamperes nominal Sleep mode can be enabled under RTU control by asserting a ground o...

Страница 22: ...ut is available as a convenience Provides 8 Vdc through a 1 k resistor whenever the receiver squelch is open and drops to less than 1 Vdc when the squelch is closed 11 OUT Receive Audio Output Connect...

Страница 23: ...ibed in Section 4 2 RSSI Measurement 19 OUT 9 9 Vdc Regulated Output Provides a source of regulated voltage at 100 mA for low power accessories 20 Do not connect Reserved for future use 21 OUT RSSI Re...

Страница 24: ...r than 50 dBm Invisible place holder Figure 8 RSSI vs Vdc Typical PWR DCD TXD RXD Table 5 LED Status Indicators LED Name Description PWR Continuous Power is applied to the radio no problems detected R...

Страница 25: ...nal For more information about the terminal refer also to the instructions included with each HHT kit The steps below assume that the HHT has been configured for use with the transceiver 80 character...

Страница 26: ...dvertently altered 1 Plug the HHT into the DIAG connector Enable the setup mode by pressing the and keys in sequence The display shown in Figure 10 appears Invisible place holder Figure 10 HHT Setup D...

Страница 27: ...to edit information or commands entries The flashing square cursor indicates that letter mode is selected The flashing superscript rectangular cursor indicates that number mode is selected Error Messa...

Страница 28: ...r Contact MDS for assistance Table 7 Command summary Command name Function AMASK 0000 0000 FFFF FFFF Details page 22 Set or display hex code identifying which events trigger an alarm ASENSE HI LO Deta...

Страница 29: ...racteristics of the radio OWM XXX Details page 27 Set or display the owner s message OWN XXX Details page 27 Set or display the owner s name PTT 0 255 Details page 27 Set or display the Push to Talk d...

Страница 30: ...output signal to be active Normally the mask is FFFF FFFF meaning that any of the 32 possible events will activate the alarm output signal No special configuration is required for typical applications...

Страница 31: ...bits per second bps and must be one of the following speeds 110 300 1200 2400 4800 9600 19200 or 38400 The second parameter of the BAUD command abc is a three character block indicating how the data...

Страница 32: ...specifies how long to wait after the RTS line goes high before the radio asserts CTS and the DTE can transmit the data A CTS value of zero keys the radio and asserts the CTS line immediately after the...

Страница 33: ...DLINK ON enables the diagnostic link Entering DLINK OFF dis ables the diagnostic link To change the diagnostic link enter DLINK followed by one of the fol lowing baud rates 1200 2400 4800 9600 19200...

Страница 34: ...ack to a known working state The following changes to the radio are made when INIT is entered CTS is set to 0 DATAKEY is set to ON DEVICE is set to DCE PTT is set to 0 SCD is set to 0 TOT is set to 30...

Страница 35: ...age appears on the display OWN XXX This is a command to display or program an owner s name To program the owner s name type OWN then the name followed by To display the owner s name type OWN then The...

Страница 36: ...e is 6 25 kHz for the MDS 2710A C and 5 0 kHz for the MDS 2710D If the customer frequency has not been programmed at the factory a default frequency will be programmed in the radio near the center of...

Страница 37: ...value of 24 dB represents a very good signal When the SNR command is used it causes the DIAG port to enter an update mode and the signal to noise ratio is updated and redisplayed every 2 seconds The...

Страница 38: ...ts of the transceiver s serial number The unit address is used in network diagnostics See MDS Net work Wide Diagnostics System Handbook MDS P N 05 3467A01 for more information 6 0 TROUBLESHOOTING Succ...

Страница 39: ...Checking for Alarms STAT command To check for alarms enter STAT on the HHT If no alarms exist the mes sage NO ALARMS PRESENT appears at the top of the display Figure 11 Invisible place holder Figure...

Страница 40: ...ired for proper radio operation 09 Not used 10 Major The internal microcontroller was unable to properly program the system to the appropriate EEPROM defaults A hardware problem may exist 11 Not used...

Страница 41: ...9600 19200 38400 bps asynchronous Data Latency 10 ms maximum including RTS CTS delay Byte Length 10 or 11 bits TRANSMITTER Frequency Range 130 174 MHz MDS 1710A C 216 220 MHz MDS 2710 A C FCC 220 240...

Страница 42: ...oltage 13 8 Vdc Nominal 10 5 to 16 Vdc TX Supply Current 2 5 amps max RX Supply Current Operational 150 mA nominal Standby sleep Less than 16 mA nominal Fuse 4 Amp Polyfuse Self Resetting Internal Rem...

Страница 43: ...radio is defined as a root radio using the DTYPE ROOT command locally at the radio A complete explanation of remote diagnostics can be found in MDS Network Wide Diagnostics System Handbook MDS P N 05...

Страница 44: ...DS InSite User s Guide for instructions 7 3 Bench Testing Setup Figure 14 shows a sample test setup that can be used to verify the basic operation of transceivers in a shop setting The test can be per...

Страница 45: ...PC board See Figure 15 3 Apply a steady signal to the radio at the programmed receive fre quency 80 dBm level recommended no stronger than 60 dBm This can be done with a signal generator or an over th...

Страница 46: ...AG port Upgrade software can be obtained in a number of ways The MDS Web site at www microwavedata com contains an FTP area with software files for several radio models You can browse the listings to...

Страница 47: ...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 rad...

Страница 48: ...71 10mW 9 64 8mW 8 58 6 4mW 7 500 5mW 6 445 4mW 5 400 3 2mW 4 355 2 5mW 3 320 2 0mW 2 280 1 6mW 1 252 1 25mW dBm V Po 0 225 1 0mW 1 200 80mW 2 180 64mW 3 160 50mW 4 141 40mW 5 125 32mW 6 115 25mW 7 10...

Страница 49: ...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 Termi...

Страница 50: ...Digital Signal Processing defined 6 DSR pinout Pin 6 14 DTE Data Terminal Equipment defined 6 DTYPE command 25 use of 35 DUMP command 26 E EEPROM FAILURE error message 20 Enable disable continuous ke...

Страница 51: ...codes displaying MODEL command 27 MDS 2710A D illustrated 4 MODEM command 27 Modem set speed See MODEM command N Network wide diagnostics active messaging defined 5 defined 7 enable disable DLINK com...

Страница 52: ...28 command used to refine antenna heading 15 measuring 16 pinout Pin 21 15 vs Vdc illustrated 13 16 RTS pinout Pin 4 14 RTU command 28 RTU Remote Terminal Unit defined 8 remote reset Pin 15 14 RTU si...

Страница 53: ...er applications 2 configuring for operation 10 connectors and indicators illustrated 1 diagnostics using PC software 38 dimensions mounting 11 mounting 9 11 programming 17 20 specifications 33 34 upgr...

Страница 54: ...I 6 MDS 1710A C and MDS2710A C D MDS 05 3447A01 Rev F NOTES...

Страница 55: ...dio to its proper operating specifi cations If return of the equipment is necessary you will be issued a Service Return Order SRO number The SRO number will help expedite the repair so that the equipm...

Страница 56: ...Microwave Data Systems Inc Rochester NY 14620 General Business 1 585 242 9600 FAX 1 585 242 9620 Web www microwavedata com 175 Science Parkway A product of Microwave Data Systems Inc...

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