Satel SATEL-EASy+ YM6010 User Manual Download Page 82

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SATEL-EASy+

User Manual

Version 1.19

APPENDIX B – DELAYS

21.1

Functional delays

Function

Delay

Wakeup time from STAND-BY to ON (controlled by DTR line)

<500 ms

Serial Interface, turn-around time of RS-232

0 ms

Serial interface, turn-around time of RS-485

<1 ms

21.2

Transmission related delays

The tables on the next pages show the typical values of the transmission delay

using different sized data messages. The transmission delay is specified from
the end of the transmission to the end of reception on the serial interface

Summary of Contents for SATEL-EASy+ YM6010

Page 2: ...of its products or to discontinue the manufacture of any of its products or to discontinue the support of any of its products without any written announcement and urges its customers to ensure that the information at their disposal is valid SATEL products have not been designed intended nor inspected to be used in any high error tolerance military aviation space marine or any life depending suppor...

Page 3: ... void the user s authority to operate the equipment Class B digital device statement Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequen...

Page 4: ...ined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technic...

Page 5: ...y SATEL Oy declares that radio modems are in compliance with the essential requirements radio performance electromagnetic compatibility and electrical safety and other relevant provisions of Directive 2014 53 EU Therefore the equipment is labelled with CE marking ...

Page 6: ...IONS HOW TO ADD SATEL EASy TO EXISTING SATELLINE 3AS NMS NETWORK 11 2 SATEL EASY MECHANICAL DIMENSIONS 12 3 SATEL EASY TECHNICAL SPECIFICATIONS 13 4 INTERFACE CONNECTORS LEDS 15 4 1 Antenna connector 15 4 2 Power supply 15 4 3 Serial ports 16 4 4 LED indicators 16 4 5 D15 connector SATEL EASy 17 5 SERIAL INTERFACE 18 5 1 RS 232 interface Port 1 Port 2 19 5 2 RS 422 interface Port 2 19 5 3 RS 485 i...

Page 7: ...ion FEC 29 6 5 Error checking 29 6 6 Air Encryption 29 6 7 TX delay 30 6 8 Separate RX TX frequencies 30 6 9 User data whitening 31 6 10 Pacific Crest and TRIMTALK compatibility 32 6 10 1 Settings in compatibility modes 33 6 10 2 Repeater function 34 6 10 3 Support for Local Remote addresses 35 6 10 4 Transmission delays 36 7 TEST MODES 37 7 1 Short block test 37 7 2 Long block test 37 8 SETTINGS ...

Page 8: ...ter chain using address pairs 57 13 3 3 Repeater chain using dual addressing 58 13 3 4 Redundant repeater chain 58 14 NMS NETWORK MANAGEMENT SYSTEM 59 14 1 System components 60 14 2 NMS Installation 60 14 3 NMS Usage 61 14 4 NMS functionality 61 14 5 Requirements for the user system 62 14 6 Designing Systems and Networks 62 15 INSTALLATION 63 15 1 Installation of the radio modem 63 15 1 1 Installa...

Page 9: ...1 15 3 1 Hand held equipment 71 15 3 2 Mobile equipment 71 15 3 3 Base stations 71 15 3 4 General antenna installation instructions 71 16 DESIGNING SYSTEMS 75 16 1 Factors affecting the quality and distance of the radio connection 75 16 2 Radio field strength 76 17 CHECK LIST 77 18 ACCESSORIES 78 19 RECYCLING ELECTRIC WASTE WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT WEEE 79 20 APPENDIX A 80 21 APPE...

Page 10: ... bps 20 kHz channel spacing 7200 bps with FEC on o 19200 bps 25 kHz channel spacing 14400 bps with FEC on Small current consumption sleep modes Power level of the transmitter 100 mW 1 W RS 232 RS422 RS485 serial interface at 1200 115200 bps data rates LCD display and 4 push buttons models with display Easy configuration no need to use external terminal to change the basic settings Monitoring of th...

Page 11: ...ing the serial connection cable It should be ascertained that different devices used have the same ground potential Before connecting any power cables the output voltage of the power supply should be checked Any radio link can susceptible to external interference and signal degradation by its nature Because of that the effects of possible interference mechanism and sufficient back up schemes must ...

Page 12: ...port default settings are port 2 115200 8N1 Link to download SATEL Configuration Manager software SATEL Configuration Manager 1 11 2 New SATEL NMS id file SatelNMS ID file must be replaced with a new one to be able to use SATEL NMS PC software with SATEL EASy products This file can be found behind the following path default installation in Windows C Program Files x86 SATEL NMS PC Please do find th...

Page 13: ...ser Manual Version 1 19 12 2 SATEL EASy MECHANICAL DIMENSIONS Following picture represents the mechanical external dimensions for device with and without the LCD display Figure 1 1 SATEL EASy mechanical dimensions ...

Page 14: ...mpatibility mode NOTE 8 16 FSK are optional modulations and because of different radio interface protocol these modulations cannot be used under 3AS NMS or any routing protocols Maximum Receiver Input Power without Damage 14 dBm Maximum Receiver Input Power without Transmission Errors 10 dBm FEC ON Sensitivity 112 dBm 25 kHz 116 dBm 12 5 kHz FEC ON Blocking 86 dB 25 kHz 88 dB 12 5 kHz FEC ON Inter...

Page 15: ...AX Voltage 33V exceeding the value may damage the device Power Consumption Receiver MAX 2 W typical 1 5 W 12 V Transmitter 1 W output MAX 6 W typical 5 5 W 12 V DTR OFF MAX 50 mW typical 10 mW 12 V Temperature Ranges 20 C 55 C Type Approval conditions 30 C 70 C Functional 40 C 85 C Storage Antenna Connector TNC female 50 ohm Construction Aluminium housing Size L x W x T Weight 138 5 mm x 67 mm x 2...

Page 16: ...h current can be several times higher than normal current consumption but will last only few ten milliseconds For proper operation it is crucial to assure that the power supply has output power rated to higher than the maximum power consumption of the device and that the power supply can handle short inrush currents properly SATEL EASy is available in one operating voltage range The voltage range ...

Page 17: ...uration 4 4 LED indicators There are five 5 LED indicators on the front panel of the radio modem that indicate the status of the serial port and the radio interface LED Indication OFF Red Orange Green RTS RTS line status D15 Pin 13 Inactive Active CTS CTS line status D15 Pin 6 Inactive Active TD TD line status D15 Pin 11 Indicates that the radio modem is receiving data via serial port No data Data...

Page 18: ...below TD2 IN RS 232 Port2 Transmit Data if Port2 Interface level is RS 232 A IN RS 422 Port2 Transmit Data positive if Port2 Interface level is RS 422 5 Pin 5 has alternative functions depending on the hardware assembly see below B IN RS 422 Port2 Transmit data negative 6 CTS OUT RS 232 Clear To Send This signal indicates that the radio modem serial interface is ready to receive data from DTE Note...

Page 19: ...Port1 is configured ON by default The physical interface of Port 1 is always RS 232 The physical interface of Port 2 depends on the selected settings SATEL EASy Available serial port interfaces Serial Port Physical interface Note Port 1 RS 232 Port 1 is always RS 232 Port 2 RS 232 RS 422 RS 485 The handshaking signals apply to the selected serial port Port 1 or Port 2 The handshaking signals are C...

Page 20: ...RS 232 has been designed for serial data transfer over short distances usually less than 15 m For longer distances RS 422 or RS 485 is better suited in order to maintain the integrity of data 5 2 RS 422 interface Port 2 RS 422 standard defines a serial data transfer method which is similar to the RS 232 standard In RS 422 however the signal lines are differential transmission lines Differential tr...

Page 21: ...ion line must be terminated properly to prevent or at least minimise harmful reflections formed between the transmitting and receiving end of the transmission line A common method of terminating RS 485 type of transmission line is to connect so called termination resistor between the wires at both ends of the transmission line Even when there are more than two devices on the same transmission line...

Page 22: ...its odd parity 2 stop bits 011000010011 12 bits The overall length of characters 10 11 or 12 bits should be taken into account when calculating the data throughput capability of a system A useful rule of thumb is that the transmission of one character will require roughly one millisecond 1ms at 9600 bps The serial port settings of the radio modem and the terminal device connected to it must equal ...

Page 23: ...rge 5 6 2 CD line CD Carrier Detect is a signal from the radio modem to the DTE It indicates when there is activity on the radio channel The options for CD line are RSSI threshold CD is active whenever a signal exceeding the level required for reception exists on the radio channel It doesn t make any difference if the signal is an actual data transmission a signal of a radio transmitter not belong...

Page 24: ...of the radio modem An active RTS line enables reception as normal Non active RTS line will interrupt reception process immediately even if the radio modem is receiving data 5 6 4 DTR line DTR Data Terminal Ready has a special function in the radio modem it can be used as an external ON OFF switch for power saving purposes The radio modem is ON if the voltage at the DTR pin is more than 3 VDC OFF i...

Page 25: ...gs For example 1 character is 1 04 ms at 9600 bps 8N1 10 bits The maximum absolute time is always 170 ms independent from the value of the Pause length given in the set up An increase in the Pause length increases the round trip delay of the radio link correspondingly this is due to the fact that the radio channel is occupied for the time of the Pause length after each transmission the time it tak...

Page 26: ...be emptied and the transmission is restarted In the receive mode the buffer works principally in the above described way thus evening out differences in data transfer speeds If the terminal device transmits data to a radio modem in receive mode the data will go into transmit buffer memory Transmission will start immediately when the radio channel is available If TX delay setting is other than zero...

Page 27: ...ple 403 000 MHz 403 010 MHz 403 020 MHz The data speed of the radio interface depends on the radio channel spacing 25 kHz channel 19200 bps 14400 bps with FEC on 12 5 20 kHz channel 9600 bps 7200 bps with FEC on The data speed over the air is irrespective of the data speed of the serial interface If the two differ from each other the radio modem will buffer the data max 1 kB temporarily Please not...

Page 28: ... Available on 403 473 MHz 10 mW 10 dBm 20 mW 13 dBm 50 mW 17 dBm 100 mW 20 dBm 200 mW 23 dBm 500 mW 27 dBm 1000 mW 30 dBm It is recommended to use the antenna or a 50 Ohm attenuator on the antenna connector while the transmitter is being used in order to prevent any damage to the internal electronics NOTE Setting the transmitter output power to such a level that exceeds the regulations set forth b...

Page 29: ...ce the radio network has a poor signal strength condition Bit errors and momentary loss of signals can be expected in this kind of a situation Some data might be successfully transferred The radio modems equipped with an LCD display show the RSSI of the last received message in dBm units The RSSI can be requested also locally by using a special SL command SL R The RSSI value is available 7s after ...

Page 30: ...e receiver receives first the whole package and if the checksum matches the data message is forwarded to the serial port If Full CRC16 check is selected it must be set ON for all radio modems in the same network Otherwise the checksum characters appear at the end of user message on the serial port 6 6 Air Encryption The product encrypts the data that is transmitted on the air interface with the li...

Page 31: ...th keys Options for generating the encryption keys are Manually via terminal connection o SL commands Automatically with password via Configuration Manager software generates automatically the Main and Aux keys It is recommended to set up a radio network with encryption enabled by using only one selected configuration way The equivalency of the encryption keys between radio modems can be verified ...

Page 32: ...nded in such cases If that is not possible the Data whitening feature can be used to improve the reliability of data transfer The feature is set on off in the programming mode NOTE All radio modems which are to communicate with each other must have the same setting for Data whitening ON or OFF If the transmitting radio modem and the receiving radio modem has different settings data will not be rec...

Page 33: ...Transparent mode FEC ON Scrambling ON Option 1 PacCrest GMSK Transparent mode FEC ON Scrambling ON Option 2 TrimTalk450s P Trimtalk450s GMSK Rx fitted to PacCrest transmitters Option 3 TrimTalk450s T Trimtalk450s GMSK Rx fitted to Trimble transmitters Option 4 PacCrest FST Option 5 Notes Supported compatibility options may vary depending on the model and factory configuration All radio modems of a...

Page 34: ...ings FEC OFF because the FEC here means SATEL 3AS FEC not Pacific Crest TRIMTALK FEC Error check OFF Full CRC16 check OFF Radio Compatibility Option 1 in case of Pacific Crest 4FSK Radio Compatibility Option 2 in case of Pacific Crest GMSK Radio Compatibility Option 3 in case of TRIMTALK GMSK When TX address is selected ON then TX1 address is used like PDL Remote address that is the destination ad...

Page 35: ...lt Primary RX address RX1 OFF by default Radio Link Remote Address 255 by default Primary TX address TX1 OFF by default Serial Interface Protocol Mode Radio compatibility Serial Interface BREAK to Command Not implemented Serial Interface Modem Enable Yes Not applicable Serial Interface Soft Break Enable Not implemented Serial Interface EOT value in 0 01s units Pause length in serial port byte inte...

Page 36: ... modem has RX address ON then primary RX address is handled in the same way as PDL Local address in Pacific Crest PDL modems The default value is 0x0000 0 in decimal format SATEL modem needs to have TX Delay 50ms or more in order to avoid messages from colliding in case it is to be placed in a Pacific Crest system that uses addressing and acknowledging scheme In case only broadcast messages are us...

Page 37: ...e is detected when there is a pause in data After that data is framed and transmitted over the radio Likewise the reception is done fully before outputting the message to the serial port Symbol rates of the compatibility modes The actual raw data rate is appr 2 3 of the symbol rate Compatibility mode Symbol rate on 12 5 kHz channel Symbol rate on 25 kHz channel PacCrest 4FSK 9600 bps 19200 bps Pac...

Page 38: ... intervals The short block test is suitable for running radio link tests Reception of data can be monitored using a suitable terminal program Example of short data blocks 00 This is a test line of SATELLINE 3AS radio modem 01 This is a test line of SATELLINE 3AS radio modem 7 2 Long block test In this test mode the radio modem transmits a test message continuously for 50 s After 10 s break the tes...

Page 39: ...rator s own user interface List of available SL commands is found from the support section of www satel com List of settings Setting Description and value range TX frequency The radio frequency of the transmitter The value must be 403 473 MHz less than frequency band upper limits more than frequency band lower limits divisible by 6 250 kHz if Channel spacing is 12 5 or 25 kHz divisible by 10 kHz i...

Page 40: ...protocol Options are SATELLINE 3AS SATELLINE 3AS OA Note SATELLINE 3AS 8 16FSK SATELLINE 2ASxE Note PacCrest 4FSK PacCrest GMSK TrimTalk450s P TrimTalk450s T PacCrest FST Default value SATELLINE 3AS Call Sign Call sign means that the modem transmits its Call sign ID periodically using Morse keying Call sign is configured using three settings a Call sign mode sets Call sign operation ON OFF b Call ...

Page 41: ... 422 485 Serial port 2 Data speed EASy modems 1200 2400 4800 9600 19200 38400 57600 115200 bps Default value 115200 bps Serial port 2 Data bits EASy modems 8bits Serial port 2 Parity bit EASy modems None Even Odd Default value None Serial port 2 Stop bit EASy modems 1 or 2 Default value 1 CTS handshaking Defines how CTS line acts the choices are Clear to send and TX buffer state Default value Clea...

Page 42: ...er must have the same setting for FEC ON or OFF Note that FEC setting applies only to the SATELLINE 3AS radio protocol the other radio compatibility modes have their own FEC bindings although some previous or special firmware versions differ in the way FEC setting is handled in case of doubt please contact technical support Default value OFF Error check ON OFF Default value OFF Repeater Repeater M...

Page 43: ...adio is at least 19200 bps In case Region code is set to US and the active setup violates above mentioned FCC requirement the radio modem cuts the transmitter power level to zero 0 W when transmitting The radio modem is ensuring it is operating according to the FCC requirement Default value No regional settings defined Routing See the chapter MESSAGE ROUTING Default value Routing mode OFF Tests Se...

Page 44: ...uration Manager CM is the PC software for the configuration of SATEL EASy Minimum requirements PC Windows 95 98 2000 XP Vista Win7 and Win10 equipped with a COM port minimum baud rate 9600 bps and the radio modem to be configured The software is available from the dealers or at www satel com ...

Page 45: ...of the modem Models that are equipped with an LCD Liquid Crystal Display also have four push buttons to enable easy modification of the settings without the need for an external terminal 10 1 LCD menu navigation Below is a figure for supported menu items and navigation Unsupported menu items marked with red colour ...

Page 46: ...SATEL EASy User Manual Version 1 19 45 ...

Page 47: ...SATEL EASy User Manual Version 1 19 46 ...

Page 48: ... multiple SL commands are sent to the radio modem the next command can be given after receiving the response Ok or Error of the proceeding command In addition it is recommended to implement a timeout to the terminal software for recovering the case when no response is received from the radio modem When the power of a radio modem is switched off the configuration settings of a radio modem always re...

Page 49: ... baud rate See specifications of three 3 character delays below in Table 1 Delay in different baud rates 11 2 2 Return to data mode When command mode is active it is possible to return in normal data mode by giving three 3 character in a row Sequence is same as entering to command mode so there is also needed three 3 characters delay between sending the characters After successfully given exit com...

Page 50: ...s SATEL Configuration Manager software provide a channel list editor snapshot below for creating and saving a channel list in the radio modem or in a file for later usage SL commands provide an interface for a host device to command the radio modem directly An example of the procedure for creating or replacing a channel list 1 Clear existing channel list SL C 0 2 Set channel info for each of the c...

Page 51: ...e needed Other devices are not necessary A radio modem acting as a repeater can also be used to receive and transmit data In repeater mode the radio modem will transmit the received data to the serial interface in a normal fashion The difference being that the received data will be buffered into the buffer memory After reception the radio modem will re transmit the buffered data using the same rad...

Page 52: ...nsfer directions The radio modem contains two transmission and two reception addresses which are knows as the primary address and secondary address The primary address is used whenever data from the serial interface is transmitted At the receiving end the radio modem will receive using either of the two receive addresses Secondary transmit address is only used in repeater applications Radio modems...

Page 53: ... packet whilst using addressing mode the radio modem will check the first two characters of each received data packet to ensure that the packet in question was intended for the correct radio modem ADD H ADD L DATA Address may be selected between 0000h FFFFh h hexadecimal corresponding decimal numbers are 0 65535 Example address 1234h 4660 in decimal format where 12h is ADD H and 34h is ADD L Examp...

Page 54: ...and either the primary or secondary RX address of the radio modem is identical to the address of the received data packet The radio modem will remove the address and send the actual data to the RS 232 interface However if the RX Address to RD line setting is on the radio modem does not remove the address Reception addressing has been set ON but both the primary and secondary RX addresses of the ra...

Page 55: ...em will remove those 2 characters of data 13 2 1 Connection between two points When forming a connection between two points it is recommended that both the reception and transmission addresses are identical in both radio modems This is the easiest way to control addresses and the risk caused by interference from other systems operating in the same area is minimal Example by setting all addresses o...

Page 56: ...sponding radio modem will identify and remove the address characters In a similar way the substation will add when transmitting to the base station its address characters into the beginning of the data packet thus defining the origin of the sent data packet In the base station radio modem addresses have been switched OFF so that they are transmitted as is to the base station terminal device for fu...

Page 57: ...S ADD DATA The above is the data received from the base station terminal device containing repeater addresses R1 ADD R2 ADD and the substation address S ADD Two characters define each address R2 ADD S ADD DATA The above is the same message after being relayed from repeater 1 to repeater 2 S ADD DATA The above is the same message after being relayed from the last repeater in the chain repeater 2 to...

Page 58: ...the substations of the base station Repeater 1 substations addresses TX address Address 1 Address 2 Address 1 RX address Address 2 Address 1 Address 2 In a network where alternating addresses are utilised the exact route that is used to relay a message to a certain radio modem is fixed at the time of installation and configuring the system The order of the addresses must be the same as the order o...

Page 59: ...n endless loops in the network Repeaters may also act as ordinary substations in that case the terminal device must wait until the message has reached the end of the repeater chain before sending data 13 3 4 Redundant repeater chain Reliability of a radio data communication system can be improved significantly by designing redundant equipment setup for master and repeater stations The two repeater...

Page 60: ...e and configure SATEL EASy modem network remotely without disturbing user s data flow This chapter includes a very short description of SATEL NMS for SATEL EASy radio modem family More information is provided by the SATEL NMS PC user manual and application notes Figure 1 2 A typical screenshot of SATEL NMS PC software Routing view In order to get the SATEL NMS PC software please contact your local...

Page 61: ...ion of the radio modem o One of the modems operates as the Master modem of the system Network Mode parameter of the radio modem set to Advanced Master o The other modems are the substations of the network Network Mode parameter of the substation radio modems set to Advanced Slave 14 2 NMS Installation Figure 1 3 SATEL EASy basic NMS set up SATEL EASy radio modem has two serial ports Port1 and Port...

Page 62: ...t decrease in signal level of a radio link are generated for the external system usage o The history of the parameters is saved to log files for later examination o Remote update of the setup i e the settings of a radio modem o Data communication tests A full data communication test can be run to find out more detailed analysis of each radio link Whenever needed this test indicate profoundly the q...

Page 63: ...er defining the timeout of the slave station reply must be increased Depending on how much NMS information is required NMS introduces an extra load of 20 60 bytes per a message 14 6 Designing Systems and Networks The Routing window of SATEL NMS PC software provides a graphical tool for designing the radio network It is used by simply dragging and dropping modem icons on the sheet and linking the m...

Page 64: ...LATION 15 1 Installation of the radio modem SATEL EASy has four 4 fixing screw positions on its back side of the housing which can be used to attach the modem to a structure or to accomplish a grounding connection Figure 1 4 Mounting screw positions ...

Page 65: ...st harsh weather conditions 15 1 2 Installation Parts Installation Parts are a series of adjacent parts which are used to attach the modem to a structure and perform the grounding of the device Installation parts can be purchased separately from the supplier and is not automatically included with the modem Installation parts includes the following parts Installation plate 1pcs M3 screws 4pcs Velcr...

Page 66: ...tape positions 15 1 3 DIN Installation Part DIN installation part includes the necessary parts to attach the modem to a 35 mm DIN rail and it also includes the grounding parts as in the Installation Parts DIN Installation Part can be purchased separately from the supplier and is not automatically included with the modem DIN installation part includes the following parts DIN rail Installation plate...

Page 67: ...t Figure 1 8 Grounding to the back of the housing 15 1 5 Grounding using the installation plate Installation plate can be used to accomplish the grounding between the modem and system grounding rail Installation plate grounding position is marked with stamped Ground sign By using the connector and screw provided by the installation kit user can create reliable grounding connection Additional cable...

Page 68: ...s used for grounding connector attachment Figure 1 10 Grounding cable connector and screws A and B 15 1 7 Grounding the antenna Grounding the antenna is recommended when antenna is located outside on a mast or long pole where it is prone to lightning strikes or other high energy disturbances Grounding is best to locate as near as possible to the expected disturbance to occur in practise at the poi...

Page 69: ... POWER OFF condition 15 2 1 RS 232 wiring Port1 without handshaking The simplest connection to PC serial port RS 232 is depicted in the schematic below FUSE 2 A slow 15 2 2 RS 232 wiring Port1 and handshaking signals connected A typical connection between the Port 1 of the radio modem and the PC serial port RS 232 using the handshaking signals is depicted in the schematic below ...

Page 70: ... should be terminated by connecting a separate terminating resistor between the positive and negative signal wire Typical values range from 100 120 ohm depending on the characteristic impedance of the line FUSE 2 A slow NOTE The RS 485 422 standards define only the electrical parameters of the signals signal level etc The connectors and the names of the signals are NOT defined Different RS 485 422...

Page 71: ...issue is the trial and error method as RS 485 signals can be connected only two ways 15 2 5 Programming mode adapter The wiring below is for configuring the radio modem via the Programming mode Switch position acts the following way closed ON Programming mode open OFF Data transfer mode While the modem is in Programming mode Switch closed Modem has serial port parameters set to a known state of 38...

Page 72: ...tennas or 5 8 wave antenna Directional antennas Yagi multi element antenna or corner antenna The antenna should be installed in a vertical position The exact location of the antenna depends on several factors such as the size of the overall system and the coverage area terrain contours A rule of thumb is that the base station antenna should be located at the highest point of the coverage area and ...

Page 73: ...c frequency range when ordering them Simple antennas and antennas which have been constructed of stacked Yagi antennas are typically rather broadband As the number of Yagi elements increases the frequency range becomes narrower When designing and installing a system it is advisable to prepare to test the system and also to consider serviceability of the system In particular cabling should be plann...

Page 74: ...e of the directional patterns of the antennas must however be taken into consideration If a distinction to another interfering antenna is wanted with the horizontal polarised antennas there must be a good attenuation of the back lobe In addition to this the interfering radiator should be situated behind the antenna When a system does not demand the use of an Omni directional antenna it is recommen...

Page 75: ...SATEL EASy User Manual Version 1 19 74 ...

Page 76: ...stance can be achieved with the use of amplifying antennas Frequent topographical variations over long distances may require that at least one of the antennas be raised to a height of 10 to 20 m If the antenna cable is more than 10 meters long it is necessary to use a low loss cable 0 7 dB 10 m in order not to waste the antenna amplification Adding a repeater station can also solve problematical r...

Page 77: ... different environmental and external factors to another and that the effects on transmission quality must be taken into account when planning the system Ground ground contours and buildings cause attenuation loss of energy through absorption and reflection of radio waves Buildings reflect radio waves and therefore the effects of attenuation are not as acute when transmission is over a short dista...

Page 78: ...ssible from any possible sources of interference The radio modem should not be installed onto a strongly vibrating surface The radio modem should be installed in such a way as to minimise exposure to direct sunlight or excessive humidity 3 To ensure reliable operation the voltage output of the power supply must be stable enough and the current capability of the power supply must be sufficient 4 Th...

Page 79: ...al Version 1 19 78 18 ACCESSORIES SATEL provides a wide selection of accessories and solutions for SATEL radio modems Antennas Serial data Power cables and adapters RF cables Filters and lightning protectors Power supplies ...

Page 80: ... but when the device comes to its end of life stage it should be disposed properly SATEL EASy does not contain harmful materials that should be treated any special ways but as a general electronic waste Many countries have laws and regulations towards e waste recycling and organized receiving centres See your local area laws and recommendations how to properly dispose electronic waste ...

Page 81: ... 61 3D 104 68 h 147 93 190 BE 233 E9 19 13 DC3 62 3E 105 69 i 148 94 191 BF 234 EA 20 14 DC4 63 3F 106 6A j 149 95 192 C0 235 EB 21 15 NAK 64 40 107 6B k 150 96 193 C1 236 EC 22 16 SYN 65 41 A 108 6C l 151 97 194 C2 237 ED 23 17 ETB 66 42 B 109 6D m 152 98 195 C3 238 EE 24 18 CAN 67 43 C 110 6E n 153 99 196 C4 239 EF 25 19 EM 68 44 D 111 6F o 154 9A 197 C5 240 F0 26 1A SUB 69 45 E 112 70 p 155 9B ...

Page 82: ...Serial Interface turn around time of RS 232 0 ms Serial interface turn around time of RS 485 1 ms 21 2 Transmission related delays The tables on the next pages show the typical values of the transmission delay using different sized data messages The transmission delay is specified from the end of the transmission to the end of reception on the serial interface ...

Page 83: ... 66 84 86 ms 9600 bps 37 68 112 156 ms 19200 bps 37 72 80 292 ms 38400 bps 38 76 125 388 ms 115200 bps 38 44 113 418 ms 12 5 kHz channel spacing FEC ON Forward Error Correction function ON Transmission delays are in milliseconds 10 marginal vs the size of a message bytes to be transmitted Data Speed 1 byte 10 bytes 100 bytes 500 bytes 1200 bps 56 90 96 108 ms 4800 bps 50 87 127 130 ms 9600 bps 48 ...

Page 84: ...bps 25 42 46 48 ms 9600 bps 24 41 51 53 ms 19200 bps 22 42 57 86 ms 38400 bps 22 44 57 163 ms 115200 bps 22 24 54 189 ms 25 kHz channel spacing FEC ON Forward Error Correction function ON Transmission delays are in milliseconds 10 marginal vs the size of a message bytes to be transmitted Data Speed 1 byte 10 bytes 100 bytes 500 bytes 1200 bps 38 58 64 76 ms 4800 bps 30 53 61 62 ms 9600 bps 29 54 7...

Page 85: ...SATEL EASy User Manual Version 1 19 84 Contact information SATEL Oy Meriniitynkatu 17 P O Box 142 FI 24101 Salo FINLAND Web https www satel com Phone 358 2 777 7800 ...

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