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MDS 05-4670A01, Rev. E

SD Series Reference Manual (x710 Mode)

49

Three methods can be used to load new firmware into the radio:

Web

reprogramming

,

TFTP

, and

Serial Transfer

. Firmware reprogram-

ming is best handled using the web-based Device Manager. Instructions
for these methods of transfer are given below, beginning with Web pro-
gramming.

Web Method

Determining Current

Firmware Version

This screen shows Bootloader version information and indicates which
firmware image (1 or 2) is currently active, as well as the firmware ver-
sion of each image. The information on this screen is read-only.

•

Refresh

—Clicking this button updates the displayed information

on demand.

•

Auto

—Initiates automatic updating of the information. A time (in

seconds) may be entered in the box provided, to specify how often
the display is updated.

NOTE:

The latest firmware version for this product can be obtained at
www.gemds.com.

Web

Reprogramming

In the space provided, enter the

*.mpk

file to reprogram into this radio,

then click

Program

to start the file upload process. Do not click away

from this page until the upload has finished processing.

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Содержание DS-SD4-1

Страница 1: ...Installation and Operation Guide Reference Manual MDS 05 4670A01 Rev E MARCH 2015 Covering Units Operating in x710 Mode with Firmware Version 4 x MDS SD Series Secure Long Range Data Communications ...

Страница 2: ...Need Quick Start instructions for this product Please refer to publication 05 4669A01 All GE MDS user guides are available online at www gemds com ...

Страница 3: ...AS 6 Point to Point System 7 Continuously Keyed versus Switched Carrier Operation 8 Single Frequency Simplex Operation 8 4 0 INSTALLATION PLANNING 8 4 1 Typical Installation 8 4 2 Mounting Options 9 Optional DIN Rail Mounting 10 4 3 Antennas and Feedlines 11 Feedlines 11 4 4 DC Power Connection 12 4 5 Grounding Considerations 13 4 6 COM1 Management Connections 13 COM1 in Analog Operation 14 4 7 CO...

Страница 4: ...DCE CTS KEY 28 DKEY 28 DLINK ON OFF xxxx 28 DTYPE NODE ROOT 29 DUMP 29 EMP ON OFF 29 ETHADDR 29 FORCEALARM ON or OFF 29 FORCEDCD ON or OFF 29 HELP 29 INIT 30 INIT SDx 30 INIT P 20 30 IPCONFIG 31 KEY 31 MENU 31 MODEL1 31 MODEL2 31 MODEM xxxx 31 OWM XXX 33 OWN XXX 33 PORT RS232 RS485 34 PTT 0 255 34 PTTSIG OFF LOW HI 34 PWR 20 37 34 RESTORECONFIG 34 RESTOREDEFAULTS 34 RMODE X710 TRANSPARENT PACKET C...

Страница 5: ...rforming Network Wide Remote Diagnostics 45 8 3 User Programmable I O Functions Pending 46 8 4 Analog Operation of the Transceiver 46 Physical Interface 47 Operational Characteristics 47 8 5 Upgrading the Radio s Firmware 48 Web Method 49 TFTP Method 50 Serial Transfer Method 52 Error Messages During File Transfers 54 8 6 dBm Watts Volts Conversion Chart 55 9 0 GLOSSARY OF TERMS 56 Copyright and T...

Страница 6: ...ay cause undesired operation Any unauthorized modification or changes to this device without the express approval of the manufacturer may void the user s authority to operate this device Further more this device is intended to be used only when installed in accordance with the instructions out lined in this manual Failure to comply with these instructions may void the user s authority to operate t...

Страница 7: ...ur environment and to limit the demand on natural resources we encourage you to use the appropriate recycling sys tems for disposal These systems will reuse or recycle most of the materials found in this equipment in a sound way Please contact GE MDS or your supplier for more information on the proper dis posal of this equipment Battery Disposal This product may contain a battery Batteries must be...

Страница 8: ...d approved Division 2 wiring methods BSD License Information The SD Series products contain source code originally released as part of WPA Supplicant which is copyrighted as indicated below and is redistributed under the terms of the BSD license WPA Supplicant Copyright c 2003 2010 Jouni Malinen j w1 fi and contributors All Rights Reserved BSD License Redistribution and use in source and binary fo...

Страница 9: ...ATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE ...

Страница 10: ...viii SD Series Reference Manual x710 Mode MDS 05 4670A01 Rev E ...

Страница 11: ...e Notations This product is designed for software control using a connected PC To indicate the names of software commands keyboard entries or other information shown on a PC screen a distinctive bolded font is used as follows Bolded font example used for software commands and keyboard entries Model Number Notations The term SD or SD Series is used in this manual to denote all models in the SD prod...

Страница 12: ...0A01 Rev E 1 2 Electronic Manuals All SD Series manuals are available in printed or electronic form Download electronic manuals from our web site at www gemds com The web site also contains links to Application Bulletins and other product information ...

Страница 13: ...onal functionality not found in MDS x710 radios An SD Transceiver in x710 mode looks like an x710 with respect to over the air transmission and all serial user inter face commands plus some new SD specific commands The transceiver employs digital signal processing DSP technology and a fully digital transmit and receive IF chain to provide robust communi cations even under adverse conditions Digita...

Страница 14: ...w power sleep mode ideal for battery powered solar sites Drop in compatibility with MDS x710 radios x710 mode Supports a wide variety of modem speeds and bandwidths for regulatory compliance in virtually all regions of the world NOTE Some features might not be available on all units depending on the options purchased and regulatory constraints for the region in which the radio will operate 2 3 Mod...

Страница 15: ...networks containing all SD radios This manual does not cover Packet Mode radios See below for applicable manuals Transparent Mode This mode is over the air compatible with MDS x710 transceivers while supporting payload data on the Ethernet interface This mode is ideal for mixed networks con taining SD and MDS x710 radios It allows currently deployed x710 networks to add the ability to support Ethe...

Страница 16: ...he radio system can replace a network of remote monitors currently linked to a central location using leased telephone lines or other hard wired means At the central office of such a system there is usually a dedicated computer and some means of switching between individual Table 1 Accessories Ancillary Items Accessory Description Part Number Retrofit Kit Digital Contains adapters and connectors n...

Страница 17: ...ve Invisible place holder Figure 4 Typical MAS Point to Multipoint Network Point to Point System Where permitted the transceiver can also be used in a point to point arrangement A point to point system consists of just two radios one serving as a Master and the other as a Remote see Figure 5 It provides a simplex or half duplex communications link for the transfer of data between two locations Inv...

Страница 18: ...x mode of operation where the master station transmitter is keyed to send data and unkeyed to receive Single Frequency Simplex Operation Single frequency operation also known as simplex is a special case of switched carrier operation Single frequency operation is automatically selected whenever the transmit and receive frequencies are set to the same value NOTE Data turn around times are increased...

Страница 19: ...Options The transceiver is normally provided with flat mounting brackets attached to the bottom of the radio as shown in Figure 7 An optional 35 mm DIN rail mounting bracket is also available See Optional DIN Rail Mounting on page 10 Invisible place holder Figure 7 Mounting Bracket Dimensions 6 675 16 95 cm 2 75 7 cm ...

Страница 20: ... cabinets and racks of modern design often employ this type of mounting Once the DIN bracket is attached to the radio it allows for quick installation and removal of the radio from its mounting rail without the need for tools The DIN Rail bracket attaches to the unit s case as shown in Figure 9 The entire assembly then attaches to the mounting rail Figure 9 Attachment Mounting of DIN Rail Bracket ...

Страница 21: ...antenna feedline is very important Poor quality cable should be avoided as it will result in power losses that might reduce the range and reliability of the radio system Table 2 Table 3 and Table 4 show the approximate losses that will occur when using various lengths and types of coaxial cable in the 200 400 and 900 MHz bands Regardless of the type used the cable should be kept as short as possib...

Страница 22: ...94A39 NOTE The radio is designed for use in negative ground systems only Table 3 Signal Loss in Coaxial Cables at 400 MHz Cable Type 10 Feet 3 05 Meters 50 Feet 15 24 Meters 100 Feet 30 48 Meters 200 Feet 60 96 Meters RG 8A U 0 51 dB 2 53 dB 5 07 dB 10 14 dB 1 2 inch HELIAX 0 12 dB 0 76 dB 1 51 dB 3 02 dB 7 8 inch HELIAX 0 08 dB 0 42 dB 0 83 dB 1 66 dB 1 1 4 inch HELIAX 0 06 dB 0 31 dB 0 62 dB 1 2...

Страница 23: ...e be attached to one of the mounting brackets or a screw on the transceiver s case The use of a lightning protector is recommended where the antenna cable enters the building Bond the protector to the tower ground if pos sible 4 6 COM1 Management Connections The radio s COM1 port is used to connect a PC for management or diag nostic purposes Typically a straight through DB 9 cable can be used for ...

Страница 24: ...nsceiver on Page 46 for more information RXD TXD GND 2 3 5 RXD TXD GND 2 3 5 DB 9 FEMALE COMPUTER DB 9 MALE RADIO SIDE Table 5 COM1 Pin Descriptions Pin Number Input Output Pin Description 1 No function 2 OUT RXD Received Data Supplies received data to the connected device 3 IN TXD Transmitted Data Accepts TX data from the connected device 4 No function 5 Ground Connects to ground negative supply ...

Страница 25: ... descriptions for the COM2 data port in RS EIA 232 mode and RS EIA 485 mode respectively NOTE Make sure the PORT setting from the PORT command matches the type of interface you are using RS 232 or RS 485 The default is RS 232 NOTE To prevent unintended keying of the transmitter on RTS set RTSKEY to OFF or do not connect to Pin 7 RTS of the COM2 port Pin Descriptions RS EIA 232 Mode Table 7 lists t...

Страница 26: ...ion 7 IN RTS Request to Send Keys the transmitter 8 OUT CTS Clear to Send Goes high after the programmed CTS delay time has elapsed DCE or keys another connected radio when RF data arrives CTS KEY 9 Reserved User I O for special applications Table 8 COM2 Connector Pin Descriptions RS EIA 422 485 Mode Pin Number Input Output Pin Description 1 OUT Carrier Detect Link A high indicates signal received...

Страница 27: ...wing either a straight through or crossover cable to be used Figure 16 and Table 9 show pinout data for the Ethernet port The Ethernet port can be used to support Telnet or web based radio management Telnet provides the same user interface available with COM1 Figure 16 Ethernet Port RJ 45 Pinout As viewed from the outside of the unit Table 9 Ethernet Port IP Ethernet Pinouts Pin Functions Ref 1 Tr...

Страница 28: ...w loss coaxial feedline and keep the feedline as short as possible 3 Connect the data equipment Make the connection using Serial protocols RS 232 RS 485 Connect a serial device to COM2 on the front panel The radio is hardwired as a DCE device Use a straight through cable for most applications 4 Connect primary power Input power must be within the range printed above the power connector and capable...

Страница 29: ...be updated NOTE The RSSI function limits the maximum displayed signal strength to 60 dBm Invisible place holder 5 2 Initial Software Configuration This section provides the steps necessary to program the radio for its first on air operation There are numerous settings that go beyond basic configuration and you may wish to access these later A full description of commands is provided in TRANSCEIVER...

Страница 30: ... 192 168 1 1 If you do not know the IP address of the radio follow the serial configuration instructions below where you can determine the radio s address and continue configuration of the radio or ask your network administrator Connecting a PC Setting Basic Parameters Follow these steps to configure the transceiver for its first use 1 Connect a PC to the radio s COM1 serial port as shown in Figur...

Страница 31: ...onnect a PC as described in Section 5 1 Initial Startup Checkout and obtain the prompt 6 1 Software Commands Table 11 is a reference chart of software commands for the transceiver Programmable information is shown in brackets following the com mand name See Section 6 2 Detailed Command Descriptions Page 21 for detailed command descriptions Entering Commands To enter a command type the command foll...

Страница 32: ...Page 28 Set display modem control deviation DEVICE DCE CTS KEY Details Page 28 Set display device mode DKEY Details Page 28 Dekey the radio transmitter OFF This is generally a radio test command DLINK ON OFF xxxx Details Page 28 Configures local diagnostic link protocol DTYPE NODE ROOT Details Page 29 diagnostics Sets up a radio as a root or node radio DUMP Details Page 29 Display all programmable...

Страница 33: ...Details Page 34 Set display the Push to Talk delay in milliseconds PTTSIG OFF LOW HI Details Page 34 Set display push to talk configuration PWR 20 37 Details Page 34 Set display the transmit power setting RESTORECONFIG Details Page 34 Restores a saved user configuration RESTOREDEFAULTS Details Page 34 This command restores the original factory configuration RMODE X710 TRANSPARENT PACKET CMAC HELP ...

Страница 34: ...SHOW DC PWR Details Page 36 Display the DC voltages and transmit power level SNR Details Page 36 Signal to Noise Ratio expressed in dB SPECTRUM xxx xx Details Page 37 Display the transceiver s built in spectrum analyzer where xxx xx denotes center frequency SQUELCH AUTO BYPASSED Details Page 37 Set display analog squelch bypass SREV Details Page 37 Display the Software Revision Level STAT Details ...

Страница 35: ... which events cause an alarm 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 Entering the AMASK command alone displays the current setting of alarm events in hexadecimal format Entering the AMASK command followed by an eight digit hexadecimal number reprograms the specified events to trigger an alarm The eig...

Страница 36: ...ry default setting is 9600 baud 8 data bits no parity 1 stop bit Example 9600 8N1 BIN DATA CLEAR Data Counters Used to display or clear the data counters Use BIN DATA to display Use BIN CLEAR to clear the counters BOOT Software Reboot Used to initiate a software reboot Use BOOT alone to reboot the cur rently running firmware image Use BOOT 1 BOOT 2 or BOOT OTHER to reboot to a specific firmware im...

Страница 37: ...o 255 milliseconds For DCE operation the timer 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 RTS line goes high For CTS Key operation see DEVICE command the timer specifies how long to wait after asserting the CTS before sending data from the DA...

Страница 38: ...f the DATAKEY command is set to ON keying can be stimulated by the input of characters at the data port Hardware flow control is implemented by signaling the CTS line if data arrives faster than it can be buffered and transmitted In CTS KEY mode the SD is assumed to be controlling another radio The SD will still key based on the RTS line but the CTS line is used as a key line control for the other...

Страница 39: ...etting DUMP Read Current Unit Profile This command causes all of the programmed settings to be displayed EMP ON OFF Modem TX Audio Pre Emphasis This command displays or sets the TX pre emphasis and RX De Emphasis when the radio is operating with the analog mode and the radio s MODEM is turned off MODEM NONE It should be set to match the other radios in the system The use of pre and de emphasis can...

Страница 40: ...conds and set to ON PWR is set to 37 dBm 5 watts All other commands remain as previously set INIT SDx Where x denotes SD radio model Initialization for standalone radio This command sets the transceiver for normal operation outside the P 20 chassis by setting the following parameters to the values shown below ASENSE ACTIVE HI AMASK FFFF FFFF assert alarm output on all alarms RXTOT NONE receive tim...

Страница 41: ...n sup ported used for reprogramming the unit s firmware MODEL1 Displays the factory software configuration of the radio MODEL2 Displays the hardware configuration bill of material identifier Model Number Information See Table 11 on Page 21 for information on these pre programmed fields MODEM xxxx Analog Digital Modem Selection This command selects the radio s modem characteristics For digital oper...

Страница 42: ...rnal modem and digital operation is disabled These levels must be set to complement the audio signal level requirements of the external modem See RXLEVEL 20 to 0 on page 35 and TXLEVEL 20 to 0 AUTO on Page 39 for details on setting these levels Modem 4800F 4800 6 25 108 dBm Modem 9600B1 9600 12 5 106 dBm Modem 4800B1 4800 12 5 110 dBm Modem BELL1 1200 12 5 110 dBm Modem V23 1200 12 5 110 dBm Modem...

Страница 43: ...ssage appears on the display OWN XXX Owner s Name This is a command to show or program an owner s name To program the owner s name type OWN then the name followed by To show the owner s name type OWN then The owner s name appears on the display Table 13 Modem Compatibility with MDS x710 Radios SD Modem Type Selection Compatible with MDS x710 Models Modem 9600 2710A 4710A 9710A Modem 4800 4710E 971...

Страница 44: ... To read the actual measured power output of the radio use the SHOW PWR command A dBm to watts conversion chart is provided in Section 8 6 Page 55 RESTORECONFIG Restore Configuration This command restores a user configuration Command is timed and aborts in 3 sec if no response is provided RESTOREDEFAULTS Restore Defaults This command restores the original factory configuration Command is timed and...

Страница 45: ...oprietary polling programs such as poll exe and rsim exe The internal RTU simulator is available whenever a radio has diagnostics enabled This command also sets the RTU address that the radio will respond to The internal RTU can be used for testing system payload data or pseudo bit error rate testing It can be helpful in isolating a problem to either the external RTU or the radio RX xxx xxxx Recei...

Страница 46: ...imed and aborts in 3 sec if no response is provided SCD 0 255 Soft Carrier Dekey This command shows or changes the soft carrier dekey delay in milli seconds This timer specifies how long to wait after the removal of the keying signal before actually releasing the transmitter A value of 0 millisec onds will unkey the transmitter immediately after the removal of the keying signal SER Radio Serial Nu...

Страница 47: ...the command prompt A display appears showing detected signals on your current channel Optionally you can specify a frequency at the command prompt to view the surrounding spectrum of that frequency To do this enter spectrum xxx xx where xxx xx is the frequency in MHz A typical spectrum analyzer display is shown in Figure 18 The display creates a received signal strength indication RSSI vs frequenc...

Страница 48: ...he master is not continuously keyed then the master is operating in switched carrier mode and the transceiver s SWC setting should be ON If the master is continuously keyed the transceiver s SWC setting should be OFF For B modem operation only SWC should be OFF for A modems NOTE SWC must be set to ON for switched carrier operation TFTP TFTP Settings Used to set show all TFTP settings for upgrading...

Страница 49: ...nter of the frequency band TXLEVEL 20 to 0 AUTO TX Audio Input Level The TXLEVEL command selects or shows the expected transmit audio input level from an external modem For more information refer to the detailed description of analog operation beginning on Page 46 For optimum performance set this parameter to match the external modem level For example TXLEVEL 10 TXLEVEL AUTO is also available defa...

Страница 50: ... reliability might be degraded Proper programming of the transceiver s operating parameters see Section 6 0 TRANSCEIVER MANAGEMENT on Page 21 especially the TX RX frequency and MODEM type selec tions The correct interface between the transceiver and the connected data equipment correct cable wiring proper data format timing etc 7 1 LED Indicators The LED status indicators are an important troubles...

Страница 51: ...Only the codes applicable to this product are shown and this list is subject to change with product revi sion Table 14 Event Codes Event Code Event Class Description 02 Major Frequency not programmed 03 Major Authorization fault detected 04 Major The RF synthesizer is reporting an out of lock condition 08 Major The system is reporting that it has not been calibrated Factory calibration is required...

Страница 52: ...ration failed 70 Minor AP not available 41 Status Forced restart of Ethernet interface 43 Status Reprogramming in progress 44 Inform Firmware update successful 45 Inform Reprogramming aborted 46 Inform Remote rebooted Table 14 Event Codes Continued Event Code Event Class Description ...

Страница 53: ...s are dependent on the type approval of the radio Con sult the factory for details Bandwidths SD1 3 0 6 25 9 0 12 5 kHz SD2 2 0 3 0 5 0 6 25 8 0 9 0 12 5 15 0 16 0 25 0 48 0 50 0 kHz SD4 6 25 11 0 12 5 20 0 25 0 kHz SD9 4 0 7 0 10 0 12 5 16 0 18 0 25 0 30 0 50 0 kHz NOTE This information subject to change depending on specific modem configuration For emission designator information consult the FCC...

Страница 54: ...urrent Typical 2 5 A maximum 5 W RF Output RX Supply Current Typical Operational 150 mA Nominal Sleep 15 mA typical 13 8 Vdc Fuse 5 A internal ENVIRONMENTAL Humidity SD1 95 at 70 C 158 F non condensing SD2 95 at 40 C 104 F non condensing SD4 95 at 70 C 158 F non condensing SD9 95 at 40 C 104 F non condensing Temperature Range 40 to 70 C 40 F to 158 F Weight nominal 1 22 lbs 0 55 kg Transceiver Dim...

Страница 55: ...rusive polling polling which briefly interrupts payload data transmission can be per formed To perform diagnostics without interrupting payload data trans mission connect the PC to a radio defined as the root radio A 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 the Net work Wide Diagnostics System Ha...

Страница 56: ...e diagnostic program at the PC 8 3 User Programmable I O Functions Pending The transceiver can be internally configured to provide three user I O functions on the COM1 and COM2 data connectors These signals are commonly used for RTU resetting or for analog input monitoring Once the transceiver has been properly configured these pins can be activated through compatible NMS software such as Element ...

Страница 57: ...is useful for orderwire application or for analog systems that need to make use of GE MDS Network Wide Diag nostics Operation is enabled by selecting a digital modem type for example MODEM 9600 and selecting AUDIO ON In this mode RX Audio is always active but TX Audio only becomes active when the Push to Talk PTT Pin 6 input signal is asserted All other key sources use digital modulation automatic...

Страница 58: ...omatically scale the input to the target deviation Values outside the expected range will cause clipping of the RF signal By default built in squelch thresholds automatically mute the receive audio when a signal is not present To bypass the squelch controls enter the command SQUELCH BYPASSED To restore normal operation enter the command SQUELCH AUTO 8 5 Upgrading the Radio s Firmware From time to ...

Страница 59: ...irmware image 1 or 2 is currently active as well as the firmware ver sion of each image The information on this screen is read only Refresh Clicking this button updates the displayed information on demand Auto Initiates automatic updating of the information A time in seconds may be entered in the box provided to specify how often the display is updated NOTE The latest firmware version for this pro...

Страница 60: ...on from the Start menu and enter cmd to invoke the Windows Command Inter preter At the prompt enter ipconfig to determine the address 4 The IP address of the radio the radio s IP address can be found by entering the ipconfig command with a serial command line session at the radio Connecting the Transceiver for Firmware Upgrade There are several alternatives to connecting the transceiver for firmwa...

Страница 61: ...ioning 2 Launch the TFTP server on the PC If using the GE MDS TFTP Server click the Options tab A in Figure 22 below and modify the Outgoing path B using your browser to point to the folder where the reprogramming package mpk file is located The path C will be displayed once the operation is completed Leave the application running until reprogramming on the radio is complete Figure 22 TFTP Server ...

Страница 62: ... step below 7 Enter the SREV command to verify the radio is running the new application image This completes the TFTP upgrade procedure NOTE If a firmware installation fails the radio is left with the original active image intact and the inactive image will be unusable Reprogramming should be attempted again Serial Transfer Method Firmware upgrade via serial transfer is an alternative method which...

Страница 63: ... not type any more char acters at the prompt 5 From the terminal program quickly select Transfer Send Text File and choose the correct file file folder on the PC where the s28 firm ware file is located This process initiates the file transfer and causes the radio to repro gram the inactive image When using HyperTerminal to perform reprogramming no status indication is available 6 Programming is co...

Страница 64: ...ng to Table 16 Table 16 Common Errors During TFTP Transfer Error Message Likely Cause Corrective Action Invalid File Type Indicates that the file is not a valid firmware file Locate proper file and re load File not found Invalid or non existent filename on TFTP server Invalid file path Invalid or non existent file path to TFTP server Timeout TFTP transfer time expired Increase the timeout value Ba...

Страница 65: ...141 40mW 5 125 32mW 6 115 25mW 7 100 20mW 8 090 16mW 9 080 125mW 10 071 10mW 11 064 12 058 13 050 14 045 15 040 16 0355 dBm mV Po 17 31 5 18 28 5 19 25 1 20 22 5 01mW 21 20 0 22 17 9 23 15 9 24 14 1 25 12 8 26 11 5 27 10 0 28 8 9 29 8 0 30 7 1 001mW 31 6 25 32 5 8 33 5 0 34 4 5 35 4 0 36 3 5 37 3 2 38 2 85 39 2 5 40 2 25 1µW 41 2 0 42 1 8 43 1 6 44 1 4 45 1 25 46 1 18 47 1 00 48 0 90 dBm mV Po 49 ...

Страница 66: ... represented by a one or a zero Eight bits plus start stop and parity bits usually comprise a byte Bits per second See BPS BPS Bits per second A measure of the information transfer rate of digital data across a communication channel Byte A string of digital data usually made up of eight data bits and start stop and parity bits Decibel dB A measure computed from the ratio between two signal levels ...

Страница 67: ...nt data buffer overruns when handling high speed data from the RTU or PLC When the buffer approaches overflow the radio drops the clear to send CTS line which instructs the RTU or PLC to delay further transmis sion until CTS again returns to the high state Host Computer The computer installed at the master station site which controls the collection of data from one or more remote sites Intrusive D...

Страница 68: ...crete inputs and outputs It can serve as a host or as an RTU Programmable Logic Controller See PLC Remote Station A radio in a network that communicates with an associated master station Remote Terminal Unit See RTU Redundant Operation A station arrangement where two transceivers and two power supplies are available for operation with automatic switch over in case of a failure RTU Remote Terminal ...

Страница 69: ...MDS 05 4670A01 Rev E SD Series Reference Manual x710 Mode 59 NOTES ...

Страница 70: ...60 SD Series Reference Manual x710 Mode MDS 05 4670A01 Rev E ...

Страница 71: ...ncy 35 RXTOT set display receive time out timer value 36 39 SCD set display soft carrier dekey delay 36 SER display radio serial number 36 SHOW display DC voltage data port RF power 36 SNR display signal to noise ratio 36 SREV display software revision level 37 STAT display current alarm status 38 SWC switched carrier 38 TEMP display internal temperature 38 TOT set display time out value and timer...

Страница 72: ...ncy defined 57 LEDs PWR 19 status indicators illustrated 19 Loss See Signal M MAS Multiple Address System 6 defined 57 illustration 7 Master Station defined 57 keying behavior 8 MODEL command 31 Model number codes 6 displaying MODEL command 31 MODEM command 31 Modem set speed See MODEM command Mounting instructions 9 Multiple Address System See MAS 57 N Network wide diagnostics active messaging de...

Страница 73: ... loss due to coaxial cable length at 960 MHz table 12 15 Simplex 7 single frequency operation 8 special case of switched carrier operation 8 Sleep mode shown by PWR LED status indicator 19 SNR command 36 Software diagnostics and control used from PC 48 display revision level 37 upgrading 48 Specifications diagnostics interface 44 environment 44 power 44 receiver 44 receiver system 43 transmitter 4...

Страница 74: ...MDS 05 4670A01 Rev E SD Series Reference Manual x710 Mode I 4 ...

Страница 75: ...repaired and returned to you as quickly as possible Please be sure to include the SRO number on the outside of the shipping box and on any corre spondence relating to the repair No equipment will be accepted for repair without an SRO number SRO numbers are issued online at www gedigitalenergy com Communications htm On the left side of the page click Login to my MDS and once logged in click Service...

Страница 76: ...GE MDS LLC Rochester NY 14620 Telephone 1 585 242 9600 FAX 1 585 242 9620 www gemds com 175 Science Parkway ...

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