Alga Microwave User Manual Solid State Transmitter Systems With
Contents
1. From your web browser address bar type in the serial number preceded with http v The browser will show something like this Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 26 ALGA Microwave e C D vi11111 index htm ILCO Unit A Connected HOME CONFIG FREQ LOG HELP Up Link Redundant Systems Down Link Redundant Systems Block Up Converters Current System UPLINK 1 2 ALTX KU 80 10 13750 14500 MHz LO Freq 12800 MHz Power Class P1dB 80W Copyright 2013 From the home page the following information and actions are possible e Display of configuration between Standalone 1 1 Uplink Redundancy and 1 2 Uplink Redundancy e Display of model information e Link to 1 1 Uplink telemetry e Links to individual BUC telemetry BUC A BUC B or BUC C BUC B and BUC C are only selectable for a redundant system depending on type Link to 1 2 Uplink telemetry Link to Ethernet configuration Config Link to LO select page Freq Link to system alarm log Log Link to help page Help Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 27 ALGA Microwave The page for Uplink 1 1 will show something like this 5 MITEC YSAT REDUNDANCY x Y Y gt B v333333 uplink htm Uplink Controls Manual Mode Mode OAuto OManual SW 1 OChainA OChainB Uplink Status A Uplink Switch Alarm A Status Standby Output power dBm N A Temperature C SiS Gain dB2. Page Title CH L G On USER MANUAL Date 3 Mar 14 MICROWAV cls OUTDOOR TRANSMITTER Rev E 16715 Hymus Boulevard Kirkland Quebec HOH 5M8 CANADA Tel 1 514 694 8666 FAX 1 514 694 3615 www alga ca Revision Date ECN Change Summary Approval A 9 Jul 12 Initial release KL B 24 Jul 12 Added GUI info KL C 4 Oct 12 Added redundancy info KL D 2 Feb 13 Added LO select and input divider redundancy KL E 3 Mar 14 Added 1 2 and refreshed screenshots KL ALGA MICROWAVE USER MANUAL SOLID STATE TRANSMITTER SYSTEMS WITH SERIAL amp ETHERNET MICROCONTROLLER COMPANY CONFIDENTIAL This document is the property of ALGA Microwave and may be neither used copied nor reproduced outside of the company Nor may its contents be communicated outside of the company except with the written permission of ALGA Microwave ALGA Microwave Table of Contents Ee Ee 2 Outdoor Solid State Transmitter System User Manual 4 DESC EE 4 Egq ipment 6 0 ee een eset a aa a ate aaa 4 General Information aa taa 5 Safety Considerations is 5 elle Voltage EE EE 5 FAR ESO RAZ ANOS ee 5 IN e e 5 Reto Eg iPment eege 6 Pons ie Gol Ee 7 Prime Power CONEA did 7 e elt EE 8 EIERE conca aaa 8 E A TA 8 POOUNGANCY Polos 9 A achat cacarisrsatiaheantertarsshsueiee 9 Monitors and ge Large EE 10 Summary ALG eee SU AN ee A ed ed ee NA hee ee ee ee ee 11 Mitte OO li eene anta aa EE 11 BR 29 2 EE 11 BIDS AN O
3. awe we 4 Aert Reset Alm Power Low dn eae Power 102 3 dBm Refresh Mute E Mute Mute Active E Mute Set Serial Pat B Dis Timer COMB Baud 19200 When the system switches the diagram will update showing the new switch position Also we see that the LEDs have updated to show unit B as active and unit A as Stand By Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 23 ALGA Microwave Alea Microwave PA BUC Monitor and Control Interface Rey 2 0 gt Redundancy Status Active Stand By O PAA El WW PAB E Togale 4 B Alarm O Stand lone Ed Switch E 1 1 System Reset Alarms SSPA Switch Alarms Config COM Mon Readme PA_B Freq MHz EM OnLine Gain dB Freq MHz Se Current Value 175 1750 New Value _SetGain All gt m PA_A EE Offline Gain dB Current Value 70 0 New Value Set Gain 4 gt Set Freq m EM Over Temp WB Out of Lock EM Over RF Power E Summary Alm one m2 degC Reset Alm Power Low dBm Refresh Mute Active ij Mute El Over Temp E Out of Lock EM Over RF Power E Summary Alm Temp 427 7 Power 102 a E Mute Mute Active Reset Alm de gC dBm Refresh Set Serial Port COM8 Baud 19200 EE Dr Timer If an alarm occurs for example in unit A above it is represented in the diagram and
4. This enables a simple way to view control the Monitors and Controls listed above and also enables the functions listed in the sections below Communication links using RS 232 are typically good up to 30 ft 9 m in length Installations exceeding this length should use the RS 485 which will allow serial control up to 4000 ft 1200 m Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 11 ALGA Microwave Note that the RS 485 connection uses a 4 wire half duplex interface So there will only be one signal on the transmit or receive lines at a time Accordingly it is only necessary to connect using two pins ex Tx and Tx at the unit M 8 C port Use only one serial interface at a time RS 232 OR RS 485 and not both simultaneously LEDs and LO Select Units come with an LED status indicator This is a bi color LED that simply shows green for OK and red for alarm mute Some units may come with an optional LO select function and is recognized by a status LED and a select button hidden underneath a sealing screw This function changes the Local Oscillator frequency enabling operation in your choice of two different bands Consult the Test Bench Record supplied with the unit for more details To access the LO select button simply unscrew the sealing screw from its location Be careful not to lose it Removing the screw will expose a toggle button inside the unit chassis Use a small pick to reach inside and pr
5. m Reset Alm Temp 43 2 degC Reset Temp 41 7 degt Power Ps dBm Refresh Power 102 3 dBm Refresh Mute Active EI Mute Mute Active E Mute Set Serial Port EZ Dr Timer COM8 Baud 19200 When a redundant system is configured correctly additional status information now becomes available These include e A diagram of the redundant system indicating which unit is active and which components are indicating an alarm Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc Status LEDs showing unit A unit B and the waveguide dual switch A Toggle A B button to manually select the active unit An Auto Manual button to override automatic switching Telemetry and controls are available for both unit A and unit B ALGA Microwave Alga Microwave PA BUC Monitor and Control Interface Rey 2 0 Redundancy Status Active Stand By Alarm O PAA E WW PAB E O Stand lone Ed Switchl EN E 1 1 System Reset Alarms EE Auto Auto Manual O Manual SSPA Switch Alarms Config COM Mon Readme P A Pap GBOnLine Gain dB Freq MHz GBOnLine Gain dB Freq MHz Current Value 70 0 950 Current Value New Value New Value Set Gain 4 3 SetFieq Set Gain all gt Set Freq EM Over Temp WB OutofLock EM Over Temp EM Out of Lock EX Over AF Power EM Summary Alm EX Over AF Power EE Summary Alm Tone lai Aert Reset Alm
6. 70 0 Muted Summary Alarm OK D g bo O Copyright O 2013 The diagram on top shows the active unit in green Components with alarms will show in red Auto or Manual switching control mode may be selected by clicking on the option and then the Set button The system is normally left in Auto mode The Auto Manual mode toggle is used for troubleshooting purposes and will allow manual switch path selection even if an alarm is present To manually select between A or B select the option and then the Set button Manual mode only A summary of the system status is also displayed Outdoor Transmitter User Manual Serial amp Ethernet MC BE doc 28 ALGA Microwave e Uplink Switch Alarm Status OK or Alarm e Status Shows which unit is Active and which is on Standby e The remaining indicators are the same as for BUC A B C The page for BUC A B C will show something like this P MITEC VSAT REDUNDANCY xW Y gt O D v333333 bucAhtm 0 OL GO BUC A FW ver 216142 005 microwave Rev 3 0 Controls Mute Chute OUnmute Gain dB IF Freq Input voltage NWA CI Reset Alarms Copyright 2013 The following information and controls are available Output Power displays the output detector value in dBm Temperature displays the BUC hot spot temperature in Celsius Input voltage not applicable Gain displays the BUC gain in dB This is a fixed value in units with no variable at
7. Cooling System is based on a forced convection technique in which both system fans provide the air intake while the exhaust is brought out around the outer perimeter of the fans The fan is up to 300 CFM rated and operate into approximately 0 3 in H20 back pressure It is also weather protected for reliability under a variety of conditions Block Upconverter Module The Block Upconverter BUC Module takes an L Band input and through a single frequency translation converts the signal to the final output frequency C Band for example The BUC locks onto an input 10 MHz reference signal to provide the final output frequency The conversion gain for this sub section ranges from 25 to 55 dB depending on the model Booster Amplifier This module uses GaAs MESFET technology to boost the signal level to its final output power level A bias assembly connects the 12 V power supply with the FETs and provides proper bias voltages including the negative voltage for the Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 38 ALGA Microwave FET gates and voltage sequencing at turn on and turn off The gain for this section ranges from 20 to 50 dB depending on the model Microcontroller This section is responsible for remote communications and for processing of the Monitors and Controls Various alarms are monitored such as overheating and PLL lock alarms along with select DC voltages The microcontroller disables the transmitter
8. LO then only the frequency band information will be displayed Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 34 ALGA Microwave From the Log page the history of the past 3 alarms is stored It may be possible that some temporary alarms occur during power up or power cycling MITEC VSAT REDUNDANCY x KR gt C D v333333 log htm OL DC MICROWave BLOCK UP CONVERTERS AND REDUNDANT SYSTEMS HOME CONFIG FREQ LOG HELP Unit A Alarm log e q Unit B Alarm log Switch 1 Alarm Erem E Switch 2 Alarm TT O Reset Alarms Copyright 2013 For Standalone units just Unit A Alarm log is used Unit B C Alarm log and Switch 1 2 Alarm log are both for redundant systems At the bottom of the page is a reset for the log history and system alarms For an overdrive alarm the alarm must be cleared here to re enable the unit Click on the check mark and then click on the Reset Alarms button to reset the unit after lowering the input to the unit The alarm history will also be cleared From the Help page contact information is displayed Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 35 ALGA Microwave Outdoor Transmitter Quick Start Guide e Connect the L Band 10 MHz Reference to the labeled port Nominal IF input levels are approximately 40 dBm depending on the output power level of the unit The 10 MHz Reference must be in the range of 5 dBm to 5 dB
9. Se lO Clit sald AA iaa 12 Monitor and Control ah E CN 13 Installation INStrUCtIONS occconncccnnnccnnncninonininonanonnncncnna nano nacanonananonaninnnn 13 Monitors a a Alsa cara an aa aaa thar in harouaethneans 13 elen 15 Remaining GUI TS until 15 1 1 Redundancy Functions ccccceeeeeeeeeeeeeeeeeeeeeeceeeeeeeeeeeeeeeeeeneeeeeeeees 20 142 Redundancy FUNCIONS E 24 SEE EA hees 26 Network Confguraion 26 Web Interface Ee 26 Outdoor Transmitter Quick Start Guide cccccoonccnncccoonnnnnccconnnnnncconononcnnnonos 36 General Maintenance ed EC 37 BaSiC EE DL tee EE E E A A E T 37 tema EE 37 Fan Replacement a a a tetera a a 37 Theory of Operation 38 AC DC CONVE 38 DC DC Converter EE 38 ele WE 38 Block Upconverter Module ee 38 Booster AMM 38 Microcontroller EE 39 Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 2 ALGA Microwave Attenuator EE 39 ee E TVG CS EN 39 Cual TransteroWwic E 39 AO IA et ret ee A Ree RRR Re 40 Installation Notes for 1 1 Redundant System ccccceeeeeeeeeeeeeeeeeeeees 40 Appendix EE 43 Installation Notes for 1 2 Redundant System ccccceeeeeeeeeeeeeeeeeeeeees 43 Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 3 ALGA Microwave Outdoor Solid State Transmitter System User Manual This section provides the general information for the Alga Microwave line of Outdoor Solid State Transmitters The Outdoor Solid State Transmitter has
10. Standalone Unit CI PAA El PAB EZ StandAlone CT Switch O 1 1 System Reset Alarms SSPA Alarms Freq Config COM Mon Readme Tx 7E BF 02 FF 09 B4 7F Tx 7E BF 02 FF 08 B5 7F 7E BF 02 FF OC B1 7F 7E AF 02 FF 09 A4 7F 7E AF 02 FF 08 A5 7F ClearDisp TE AF 02 FF OC Al 7F 7E BF 02 FF 09 B4 7F 7E BF 02 FF 08 B5 7F 7E BF 02 FF OC B1 7F TE AF 02 FF 09 A4 7F Set Serial Port EZ Dis Timer COM Baud 19 The COM Mon tab shows detailed information on the raw information being passed on the serial port The window normally shows a stream of information scrolling past as the unit is being polled Use the Dis Timer button to freeze the updates and focus on a particular message This may only be used by Factory troubleshooting A serial protocol description document is available upon request 1 1 Redundancy Functions In this section the 1 1 redundancy system is described along with GUI elements related to redundancy control The 1 1 redundant system is composed of the following elements e Two redundant ready BUC units unit A and unit B e Switch Driver e Dual Switch or input divider with waveguide switch Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 20 ALGA Microwave e Input coaxial cabling e Output waveguides e Daisy Chain Redundancy Cable Please review Appendix A for details on the setup of the redundant system Once the units are physically setup in their co
11. in the status LEDs Normally the system is left in the Auto switching mode so that a unit without problems is switched into the signal path The Auto Manual mode toggle is used for troubleshooting purposes and will allow manual switch path selection even if an alarm is present 1 2 Redundancy Functions In this section the 1 2 redundancy system is described along with GUI elements related to redundancy control The 1 2 redundant system is composed of the following elements e Three redundant ready BUC units unit A unit B and unit C e Two Switch Drivers one for each switch e Two Dual Switches coaxial and waveguide Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 24 ALGA Microwave e Input coaxial cabling e Output waveguides e Daisy Chain Redundancy Cable for 1 2 Please review Appendix B for details on the setup of the 1 2 redundant system Once the units are physically setup in their correct orientation the port connections from the Daisy Chain Redundancy Cable determines which BUC is unit A which is unit B and which is unit C Normally units A and C are the primary active units with unit B acting as a backup on standby Unit B can take over from either unit A OR unit C but not both at the same time If any alarms occur with an active unit the system will automatically switch in unit B to take over for the unit with alarm Note that the system will drop to Manual mode when this occurs Once any alar
12. tape removed Using the waveguide dual switch assembly check the alignment of the RF Out ports on the transmitters and adjust as necessary e Waveguide Port 1 of the switch attaches to the RF Out port of unit A e Waveguide Port 3 attaches to the RF Out port of unit B e Waveguide Port 4 is terminated e Waveguide Port 2 acts as the redundant system output Connect the 2 IF input cable assemblies and other coaxial connections e Coaxial Port 1 of the switch connects to the IF Input port of unit A e Coaxial Port 3 connects to the IF Input port of unit B e Coaxial Port 4 is terminated e Coaxial Port 2 acts as the redundant system input Connect the 1 1 Daisy Chain Redundancy Cable assembly e Attach J1 to unit As Redundancy Port Attach J2 to unit B s Redundancy Port Attach J3 to the switch driver assembly Attach J4 to the dual waveguide switch Note that mis connecting the cable between unit A and B will result in no output connecting through a muted unit Also both unit A and B s M amp C ports are active but only one is necessary to communicate with the entire redundant system Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 40 ALGA Microwave The input to the redundant system is Coaxial Port 2 of the switch and the output is Waveguide Port 2 of the switch For systems replacing the dual switch with a divider and waveguide switch the input IF connections are different Rather than connecting the s
13. A Microwave General Information Safety Considerations Potential safety hazards exist unless proper precautions are observed when working with this unit To ensure safe operation the user must follow the information cautions and warnings provided in this manual as well as the warning labels placed on the unit itself High Voltage Hazards Only qualified service personnel should service the internal electronic circuitry of the Outdoor Transmitter High DC voltages 400 VDC are present in the power supply section of the amplifier Care must be taken when working with devices that operate at this high voltage levels It is recommended to never work on the unit or supply prime AC power to the unit while the cover is removed RF Transmission Hazards RF transmissions at high power levels may cause eyesight damage and skin burns Prolonged exposure to high levels of RF energy has been linked to a variety of health issues Please use the following precautions with high levels of RF power e Always terminate the RF input and output connector prior to applying prime AC input power e Never look directly into the RF output waveguide e Maintain a suitable distance from the source of the transmission such that the power density is below recommended guidelines in ANSI IEEE C95 1 The power density specified in ANSI IEEE C95 1 1992 is 10 mW cm These requirements adhere to OSHA Standard 1910 97 e When a safe distance is not practical RF shielding sho
14. Nominal RF input levels are approximately 40 dBm depending on the output power level and the system gain of the unit The maximum input level should be limited to 10 dBm to avoid damaging the unit The input connector must also receive a 10 MHz reference signal which is used to frequency lock the internal Block Upconverter Absence of this signal will place the unit into a muted condition and a Lock Monitor alarm will be present The nominal input level of the 10 MHz reference signal is 0 dBm 5 dB Units are also available with an internal 10 MHz reference which do not require an external source Consult the test sheet that came with your unit to verify this RF Output The RF Output is brought out through coaxial or waveguide in the Outdoor Transmitters The Ku Band Transmitters have a WR 75 Grooved Flange while the C Band Transmitters have CPR style grooved flange CPR 137G An isolator is provided at the output flange with a termination capable of handling full reflected output power The Transmitter s output is taken from the coaxial or waveguide RF Out port Caution should be observed here to make sure that the antenna or a suitable termination is connected to this port before operating the Transmitter The Transmitter is protected against full reflection but dangerous levels of microwave energy can be present at this port Never look directly into the RF output waveguide M amp C Connector The Monitor and Control M
15. alarm e Refresh used to immediately update the GUI with fresh status information e Mute used to manually mute and unmute the unit The current mute status is shown to the left of this button As well three GUI related controls run along the bottom edge of the window e Set Serial Port used to select the desired Com port e Dis Timer used to temporarily freeze any GUI screen updates e Exit closes the GUI program Remaining GUI Tabs Most of the time only the SSPA tab will be used to interact with the unit The remaining GUI tabs are discussed briefly in this section Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 15 ALGA Microwave Alga Microwave PA BUC Monitor and Control Interface Rev 3 3 DEAR Redundancy Status Toggle A B Active Stand By Alarm WW PAA m Toggle C B MM PAB 9 WW PAC mu MUS and lone m EI 1 1 System O CT E 1 2 System Switch Switch2 Reset Alarms SSPA Switch Alarms Freq Config COM Mon Readme Sw Swe SW Comm ok 52 Comm ok SW Position PA A Sw2 Position PA C Sw1 Toa SW ToB SW2 ToC Sw2ToB Reset Alarm Reset Alarm Set Serial Port EE Dis Timer COM10 Baud 19200 The Switch tab is used only for redundancy configurations and is used to show status and switch position of the dual switch es Two switches are used for 1 2 and one switch for 1 1 The Switch Comm i
16. amp C connector is the primary input for controlling the Transmitter and monitoring fault conditions It is a 19 pin circular connector MS3112E14 19P It requires a mating connector MS3116F14 19S which is supplied with the unit See the next section for a more detailed explanation of the M amp C functions Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 8 ALGA Microwave Here is a diagram of the wire insertion view of the mating connector supplied with the unit Note that this is can also be used when looking at the connector on the unit M A Es VAs SN ef L N p go e Ko Uu vo R D Redundancy Port Present on Redundant configured units only The interface connector is used to connect between two Transmitters and a waveguide coaxial dual switch when used in a 1 1 or 1 2 redundant system The connector is MS3112E14 15P It requires a mating connector MS3116F14 15S which is usually built into a provided mating cable assembly Daisy Chain Redundancy Cable A Redundant configured unit may be operated in stand alone mode and behaves in a similar way to a normal Microcontroller equipped unit If this is done it is important to cover the Redundancy Port to protect it from the external environment since there are live voltages present on this interface Never connect anything accept for the supplied Daisy Chain Redundancy Cable to this interface port Airflow The air intake and exhaust are both located on the
17. ation The GUI display is similar but simplified for 1 1 redundancy and standalone configurations For example standalone configurations only show the status of the single connected unit Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 13 ALGA Microwave Alga Microwave PA BUC Monitor and Control Interface Rev 3 3 Redundancy Status Toggle 4 B Active Stand By PAA E PAB oO PAC E oO Toggle C B CT Stand lone O 1 1 System EX 1 2 System Switch Switch2 EX Auto Reset Alarms E Manual SSPA Switch Alarms Freq Contig COM Mon Readme PAA P H CRW E OnLine Gain Freg MHz OnLine Gain dB Freq MHz E On Line Gain dB Freq MHz Current Value 70 0 Si Current Value 70 0 Current Value 700 0 New Value New Value New Value TC Set pen gt Set SS Set Gain 41 gt Set Set pen D gt Set m E Over Temp EZ Out of Lock EZ Over Temp GB Out of Lock EJ Over Temp GB Out of Lock El Over RF Power E Summary Alm BB Over HE Power E Summary Alm GB Over AF Power E Summary Alm Temp 491 degt _Reset Ai Temp 37 5 degC _Reset Aim Temp 546 degt WE Power 463 d eam Refresh NN ir dBm Refresh Power 464 d n Refresh Mute Active E Mute Mute Mea B UnMute Mute Active O Mute Set Serial Pot WW Dis Timer COM10 Baud 19200 Most GUI elements are present on the SSPA tab as shown The interface is split into three
18. been designed and manufactured to be an extremely robust and reliable It is well suited for harsh outdoor environments Description The Outdoor Transmitter is a one piece integrated amplifier system It includes the AC DC Power Supply microwave Booster Amplifier Module Block Upconverter BUC microcontroller based monitor and control circuitry and an efficient thermal management system The reduced size and weight of this system allow it to be used in a wide variety of installations many of which historically precluded the use of solid state units This system is ideal for mounting on the boom of small antennas or anywhere that size and weight are a major concern Features include e Compact size Light weight Auto Sensing Power Supply Output Power Detection Serial RS 232 RS 485 Monitor amp Control Circuitry Windows Monitor amp Control Software Ethernet interface with web based GUI Optional Internal 1 1 Redundant Capability Optional Internal 1 2 Redundant Capability Optional gain control on selected configurations Optional internal 10 MHz reference signal Optional LO select on selected configurations Equipment Supplied The following equipment is supplied with each unit e The Outdoor Transmitter Assembly e Prime Power Mating Connector MS3106E16 10S e MAC Mating Connector MS3116F14 19S e CD with Alga Microwave Monitor amp Control Software Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 4 ALG
19. bined with compressed air is the safest way to clean the unit Also inspect the fan assembly for any dirt or debris that also might impede airflow Internal Fuse The internal power supply is protected by a fuse to prevent excessive input current consumption Contact the factory if you suspect the internal fuse has tripped and instructions will be sent on how it can be replaced Some models may be equipped with an easily accessible external fuse holder Always ensure the replacement fuse has the same current rating of the existing fuse Fan Replacement Normally the fan on the unit operates continuously when input power is connected to the unit If the fan stops turning and the transmitter still provides an output signal when it is cool it is time to replace the fan Immediately remove power to the unit the prevent damage by overheating Contact the factory to order the correct replacement fan for your particular model The fan is encased in a shroud to direct airflow to the chassis heatsink fins First remove the shroud from the main chassis using the screws at each side of the chassis The fan and shroud assembly will be connected by wires to the main chassis Disconnect the wire connection by pulling apart the inline wire to wire connector A small tool used to depress the locking tab on the connector will be useful Next remove the screws holding the fan to the shroud and fan grille Remove the fan and install the replacement fa
20. bottom side of the Transmitter The intake is brought through a fan while the exhaust is along the rows of heat sink fins A minimum clearance of 12 inches 305 mm should be maintained between the air intake of the Outdoor Transmitter and exhaust during operation This will ensure that there is no forced re circulation of airflow from exhaust to intake Lower output power units are not equipped with a fan but the same clearance stated above must be kept around the unit for proper operation Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 9 ALGA Microwave Monitors and Controls Alga Microwave units have the option of using a microcontroller system which includes an Ethernet interface This controller system interface is described in this section With a Microcontroller equipped system all Monitors and Controls can also be accessed remotely by RS 232 RS 485 Ethernet to a Personal Computer Units equipped with a Redundancy option have a Microcontroller M amp C installed by default The full M amp C Connector pinout is listed here for convenience However always check the Test Bench Record supplied with the unit to view which interfaces have been installed on your unit or to see if it has had any custom modifications M 8 C Connector Pin Description A RS 485 Tx RS 485 Tx RS 485 Rx RS 485 Rx RS 232 Tx RS 232 Rx RS 232 GND Ethernet Tx Ethernet Tx E
21. d a waveguide section The coaxial section is used to transfer the input signal and the waveguide section is used to transfer the output signal The dual switch interfaces with unit A and B or C by way of a Switch Driver These components are linked together by the Daisy Chain Redundancy Cable A manual switch position knob is present but this should normally never be used when the system is connected and powered up Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 39 ALGA Microwave Appendix A Installation Notes for 1 1 Redundant System The 1 1 redundant system is composed of the following items 1 2 outdoor transmitter units each configured with redundant ready option unit A and unit B 2 1 dual coaxial waveguide transfer switch assembly or 1 input divider with 1 waveguide switch 1 switch driver assembly 1 1 1 Daisy Chain Redundancy Cable assembly 4 connectors 2 input cable assemblies and 2 output waveguide assemblies may not be supplied SEPA Assemble the transmitter units onto your support bracketing may not be supplied Unit A and unit B are determined by the switch port connections described below The instructions immediately below are for connecting to a dual transfer switch Jump to the end for notes on how to connect with an input divider and output waveguide transfer switch Before making any connections ensure that all ports and interfaces have all plastic covers or protective films
22. ess the button to toggle the LO frequency The yellow LO status LED will change state between off and on each time the button is pressed As an example you may be able to toggle a Ku band unit between regular band output 14 0 14 5 GHz LED off and extended band output 13 75 14 5 GHz LED on Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 12 ALGA Microwave Monitor and Control Software The Monitor and Control Software is provided on CD for units equipped with an onboard Microcontroller system A Windows based PC uses this software to remotely monitor and control the transmitter through its serial port Installation Instructions System Requirements e PC running Windows 2000 or XP it is expected to work with Vista and 7 or higher 32 bit only e Display resolution of 1024 x 768 or greater e Free serial port RS 232 or RS 485 Compatibility under Windows Vista and 7 has not been tested but is expected to work To install the software copy the folder named GUI from the CD to any location on the target PC The folder contains 2 files named BUC Alga GUl exe and BUC Alga GUI ini Double click on the exe file to run the GUI software When running the software for the first time ensure that the correct Com Port is selected for your serial port by clicking on the Set Serial Port button at the bottom left corner Monitors and Alarms Here is a typical screenshot of a system running in 1 2 redundancy configur
23. ill show in red Auto or Manual switching control mode may be selected by clicking on the option and then the Set button The system is normally left in Auto mode The Auto Manual mode toggle is used for troubleshooting purposes and will allow manual switch path selection even if an alarm is present To manually select the positions of both switches select the desired options and then the Set button Manual mode only A summary of the system status is also displayed Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 31 ALGA Microwave e Switch 1 2 Alarm Status OK or Alarm e Status Shows which units are Active and which is on Standby e The remaining indicators are the same as for BUC A B C From the Config page various network parameters can be viewed and adjusted e Serial number read only each unit has a unique number MAC address read only each unit has a unique address Host name adjustable default is v serial number Enable DHCP checkbox adjustable default is enabled checked IP address adjustable default is 169 254 1 1 Gateway adjustable default is 169 254 1 1 Subnet mask adjustable default is 255 255 0 0 Primary DNS adjustable default is 169 254 1 1 Secondary DNS adjustable default is 0 0 0 0 Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 32 ALGA Microwave ALGA MICROWAVE REDUNDANCY CONTROLLER Windows Internet Explorer go EI ht
24. ions described below Unit A is normally connected to Input Output 1 by Switch 1 Unit C is normally connected to Input Output 2 by Switch 2 Unit B is normally on standby ready to be connected to either Input Output 1 or Input Output 2 Unit B is generally located in the middle position The switch drivers are placed near their associated Switch Consult the system outline drawings for more details Before making any connections ensure that all ports and interfaces have all plastic covers or protective films tape removed Using the waveguide dual switch assembly Switch 1 and Switch 2 check the alignment of the RF Out ports on the transmitters and adjust as necessary e Switch 1 Waveguide Port 1 attaches to the RF Out port of unit A Switch 1 Waveguide Port 3 attaches to the RF Out port of the unit B Switch 1 Waveguide Port 4 attaches to Switch 2 Waveguide Port 4 Switch 1 Waveguide Port 2 acts as Output 1 Switch 2 Waveguide Port 2 attaches to the RF Out port of unit C Switch 2 Waveguide Port 3 is terminated Switch 2 Waveguide Port 1 acts as Output 2 Connect the 4 IF input cable assemblies and other coaxial connections e Switch 1 Coaxial Port 1 connects to the IF Input port of unit A Switch 1 Coaxial Port 3 connects to the IF Input port of unit B Switch 1 Coaxial Port 4 connects to Switch 2 Coaxial Port 4 Switch 1 Coaxial Port 2 acts as Input 1 Switch 2 Coaxial Port 2 connects to the IF Input port of unit C Switch 2 Coaxial P
25. m Note that the transmitter will be in a mute state with the Reference signal absent e The transmitters output is taken from the waveguide port RF Out Caution should be observed here to make sure that the antenna or a suitable termination is connected to this port before operating the transmitter e Ensure there is proper clearance around the unit e Connect Input power to the connector The unit will be enabled almost immediately provided it is not forced into a mute state by an alarm condition e Optional Connect the M amp C interface to an available COM port on your computer and or to an Ethernet network port e Optional Setup your desired remote access method Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 36 ALGA Microwave General Maintenance With proper care and maintenance your transmitter will provide many years of reliable service Please follow these maintenance guidelines so that your equipment will provide you with the maximum amount of trouble free service Basic Cleanliness The exterior chassis of the transmitter acts as a large heatsink that must dissipate at least a few hundred Watts Excessive dirt dust debris and sand accumulated on the chassis surface will impede its ability to dissipate heat and will result in higher internal temperatures potentially shortening the transmitter s lifespan Periodically inspect the chassis for excessive dirt and remove as necessary A brush com
26. ms have been cleared set the system back to Auto mode to return it to normal operation You may use any of the M amp C port on unit A B or C to communicate with any component of the redundant system When a redundant system is configured correctly additional status information now becomes available These include e A diagram of the redundant system indicating which units are active and which components are indicating an alarm e Status LEDs showing unit A unit B unit C and both waveguide dual switches A Toggle A B button to manually select the active unit for Switch1 A Toggle C B button to manually select the active unit for Switch2 An Auto Manual button to override automatic switching Telemetry and controls are available for unit A unit B and unit C Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 25 ALGA Microwave Ethernet Interface The unit is equipped with an Ethernet interface for simple management with multiple units Basic unit telemetry can be accessed through a web browser Network Configuration Each unit is shipped with a unique host name and the DHCP function enabled Ensure that your PC network interface is correctly configured Network settings are beyond the scope of this document Review the pinout information under the Monitors and Controls section to setup necessary physical connections Detailed network configuration of the unit is discussed in the next section Web Interface
27. n in reverse order as described above Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 37 ALGA Microwave Theory of Operation AC DC Converter The prime AC input power is delivered to a converter module that produces 300 VDC This module is an auto sensing front end that has proven reliability and allows the amplifier system to operate over a wide variety of input power conditions encountered around the world DC DC Converter The DC DC converter module is a switched mode power supply that converts the 300 VDC to 12 VDC This 12 VDC is the primary high current DC voltage source that operates the booster amplifier module Some components may require a higher operating voltage using a secondary module thate converts the 300 VDC to 24 VDC This source can power the Block Upconverter and the Cooling System Units with input AC power use the above AC DC and DC DC topology Units with DC input use a single DC DC converter stage to convert from the input supply voltage to the system s required 12 VDC and 24 VDC Cooling System The Outdoor Transmitters cooling system represents a landmark in microwave telecommunication amplifiers It is a unique system of heat sinks that have been computer optimized to provide extremely efficient cooling of all of the system s functional blocks This high efficiency cooling system is primarily responsible for the small overall package size and reduced weight of the unit The
28. ndicator shows the alarm status of the switch The Switch Position indicator shows which unit is connected The Switch buttons allow you to manually toggle which unit is connected The Reset Alarm button clears any latched alarm for the specific switch Outdoor Transmitter User Manual Serial amp Ethernet MC BE doc 16 ALGA Microwave Alga Microwave PA BUC Monitor and Control Interface Rev 3 3 Redundancy Status Active Stand By PAA Toggle 4 B O PAB Toggle C B WW PAC En B ET Stand amp lone O 1 1 System EX 1 2 System Switch Switch2 Reset Alarms SSPA Switch Alaims Freq Config COM Mon Readme PAA PA_B Pa_C Fw Version 21 6142 005 Rev 03 Pw Version 21 6142 005 Rev 03 Fw Version 21 6142 005 Rev 03 HW Line Alm External CAN Alm Internal CAN Alm BUC Alm Over Current Alm Power Supply Alm Input Voltage Alm Bias Board 1 Alm Bias Board 2 Alm Bias Board 3 Alm Hw Line Alm External CAN Alm Internal CAN Alm BUC Alm Over Current Alm Power Supply Alm Input Voltage Alm Bias Board 1 Alm Bias Board 2 Alm Bias Board 3 Alm Hw Line Alm External CAN Alm Internal CAN Alm BUC Alm Over Current Alm Power Supply Alm Input Yoltage Alm Bias Board 1 Alm Bias Board 2 Alm Bias Board 3 Alm Bias Board 4 Alm Bias Board 4 Alm Bias Board 4 Alm Set Serial Port Dis Timer COM10 Baud 19200 The Alarms tab gi
29. ort 3 is terminated Switch 2 Coaxial Port 1 acts as Input 2 Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 43 ALGA Microwave Connect the 1 2 Daisy Chain Redundancy Cable assembly e Attach J1 to unit As Redundancy Port Attach J2 to unit B s Redundancy Port Attach J3 to the switch driver assembly for Switch 1 Attach J4 to the dual waveguide Switch 1 Attach J5 to unit C s Redundancy Port Attach J6 to the switch driver assembly for Switch 2 Attach J7 to the dual waveguide Switch 2 Note that mis connecting the Daisy Chain Redundancy Cable at any connector will cause the system to not operate correctly Also both unit A B and C s M amp C ports are active but only one is necessary to communicate with the entire redundant system The system has 2 separate inputs outputs Input Output 1 is on Switch 1 with Coaxial Port 2 as the input and Waveguide Port 2 as the output Input Output 2 is on Switch 2 with Coaxial Port 1 as the input and Waveguide Port 1 as the output Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 44 ALGA Microwave 1 2 Redundant system MAIN Coaxial Cable RF Out 1 RF Out 2 Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 45
30. rrect orientation the port connections from the Daisy Chain Redundancy Cable determines which BUC is unit A and which is unit B Mixing up the unit A and B connections will result in no output from the redundant system since only a muted unit will be connected through The redundant system allows you to manually select which unit will be the active unit and which will be on standby The unit on standby is kept in a muted state to minimize power consumption If any alarms occur with the active unit the system will automatically switch to the standby unit making it the new active unit You may use either the M amp C port on unit A or unit B to communicate with any component of the redundant system Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 21 ALGA Microwave Alga Microwave PA BUC Monitor and Control Interface Rey 2 0 Active Stand By Ed PAA O PAB Ed Switch Redundancy Status Alarm Manual Reset Alarms E Auto Auto Manual Toggle 4 B E O Stand lone EX 1 1 System SSPA Switch Alatms Config COM Mon Readme P A 7 pPA_B E OnLine Gain dB Freq MHz E OnLine Gain dB Freq MHz Current Value 700 950 Current Value 75 0 men New Value New Value Set Gain 4 gt set Freq Set Gain All gt Set Freq EM Over Temp WB OutofLock E Over Temp EM Out of Lock E Over RF Power E Summary Alm El Over AF Power E Summary Alm Reset Alm
31. sections labeled DA A PA D and PA C For standalone configurations we are only interested in unit A while 1 1 redundant configurations will only show units A and B The following system monitors are present on the GUI interface near the bottom left corner and are continuously updated e Hot spot temperature e Output power As well various alarms are monitored and summarized by the rectangular LED icons indicating in green for no problem and in red for alarm These include e Overall On Line status e Over temperature e PLL out of lock alarm e Output over power alarm Outdoor Transmitter User Manual Serial amp Ethernet MC BE doc 14 ALGA Microwave e Summary alarm ORing of the previous 3 alarms Controls The following controls are present in the top part of the section e Gain control In units with an internal attenuator installed this control allows a gain control range of 20 dB Either enter a value in the New Value entry box or use the slider control Click on Set Gain to issue the command The current value is displayed in a box above If the attenuator option is not installed this control has no effect e Frequency adjustment If more accuracy is desired for the Power monitor enter the input frequency you are using and click on Set Freq The current value is displayed in a box above As well further buttons are placed along the bottom right side e Reset Alm used to clear latching type alarms such as over power
32. tenuator installed e F Freq displays user control setting in MHz Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 29 ALGA Microwave e Mute displays mute status Muted or Unmuted e Summary alarm displays internal system fault state OK or FAULT e Mute control allows selection between Mute and Unmute of the output RF signal e Gain control allows adjusting of variable attenuator Reads Fixed if no attenuator is installed e IF Freq control allows input frequency adjustment for more accurate output power level readings Out of lock alarm 10MHz reference is missing RF over power alarm unit is being operated with excessive input level Temperature alarm The BUC hot spot as exceeded 87 degree Celsius Input voltage alarm not used At the bottom of the page is a control to clear any latched alarms To clear any alarm select the check box and then click on the Reset Alarms button Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 30 ALGA Microwave The page for Uplink 1 2 will show something like this E MITEC VSAT REDUNDANCY x KA gt CB v333333 uplink2 htm Mode Auto OManual SW1 OChainA OChainB SW2 OChainC OChainB Uplink Status p p e Je Status Active Standby Active Nd Summary Alarm OK O A U UC tatus 4 ars eat ain dB 1 ute K Copyright 2013 The diagram on top shows the active units in green Components with alarms w
33. termine which type of input is used The AC input can operate over a range of 90 270 VAC at 47 63 Hz This connector is a 3 pin circular connector MS3102R16 10P The mating connector MS3106E16 10S is supplied DC input models may use the same AC input connector described above or a 2 pin connector MS3102R16 11P The mating connector MS3106F16 11S is supplied Units with higher output power levels should be powered only from a 180 270 VAC source This will keep AC line currents to a safe operating level In some cases the unit may only be specified to operate at higher input voltage levels please consult the accompanying Bench Test Record for this information Whether AC or DC input when wiring up the mating connector carefully follow the pin descriptions noted in the accompanying Bench Test Record Incorrect connections can seriously damage the unit Please contact the factory if there are any questions regarding these input connections Here is a diagram of the wire insertion view of the mating connector supplied with the unit Note that this is can also be used when looking at the connector on the unit Here is a sketch of the 3 pin connector And here is a sketch of the 2 pin connector Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 7 ALGA Microwave INN i WY B i IF Input The IF Input connector is a type N female connector type F female is an option The input frequency is in the L Band
34. thernet Rx Ethernet Rx Ethernet GND Summary Alarm NO Summary Alarm COM Summary Alarm NC Mute In 0 TDIUZ lt P ACETOMMOO Mute Return To connect the RS 232 interface to a standard PC 9 pin D sub serial port make the following connections M 8 C Connector Pin DB 9 Pin E 2 F 3 G 5 Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 10 ALGA Microwave To connect the Ethernet interface to a network hub or switch make the following connections M 8 C Connector Pin RJ45 Pin H 1 J 2 K 3 L 6 Here is a diagram of an RJ45 connector 1 8 BOTTOM FRONT e 1 8 If you wish to connect directly to a PC Ethernet port for testing purposes use a crossover adapter or make your own crossover connection by exchanging RJ45 pins 1 with 3 and 2 with 6 Summary Alarm The Summary Alarm ORs together various internal alarms and summarizes the unit state on this interface A relay contact is used and this table summarizes its possible states Unit state M amp C pins P N M amp CpinsP R No alarm all good Closed Open Alarm Open Closed Mute Control Shorting the pins S and T together will disable the Booster Amplifier module Leaving them open will keep the unit enabled RS 232 RS 485 This serial link is normally used to communicate with a remote PC running the Monitor and Control Software
35. tp 169 254 1 1 confia htm AEN cooste File Edit View Favorites Tools Help i Favorites GALGA MICROWAVE REDUNDANCY CONTROLLER E 7 ge Page gt Safety y OL GO MICROW VEe BLOCK UP CONVERTERS AND REDUNDANT SYSTEMS HOME CONFIG Network Configuration This page allows the configuration of the unit s network settings CAUTION Incorrect settings may cause the unit to lose network connectivity Recovery options will be provided on the next page Enter the new settings for the unit below Unit A Serial No 101222 MAC Address 105058347220 Host Name V101222 Y Enable DHCP IP Address Gateway 169 Subnet Mask Primary DNS 69 254 1 1 Secondary DNS 2000 Save Config LOG HELP Copyright O 2012 2 Local intranet From the Freq page the frequency band information is displayed Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc a gt Riom 33 ALGA Microwave MITEC YSAT REDUNDANCY xW 1 CB v333333 freq htm OL Do MICROWSVE D REDUNDANT SYSTEMS HOME CONFIG FREQ LOG HELP LO Frequency Selection Current Settings Band 1 14000 14500 MHz LO Freq 13050 MHz Band OBand1 OBand2 Copyright 2013 If the unit is equipped with selectable LO a Band select control will be visible This operates the same way as the GUI control described previously If the unit has a fixed
36. tus display The Band select area is used to change the frequency band Select the Band and then click on Set to change the LO frequency At the time of this document s release these operating bands are supported e Band 1 IF Band 950 1450 MHz 14 00 14 50 GHz LO Freq 13 05 GHz e Band 2 IF Band 950 1700 MHz 13 75 14 50 GHz LO Freq 12 80 GHz Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 18 ALGA Microwave f Mitec VSAT PA BUC Monitor and Control Interface Rev 3 2 PE Redundancy Status Current System Active Stand By Alarm Standalone Unit El PAA ICH CT PAB GS StandAlone CT Switch1 E 1 1 System Reset Alarms SSPA Alarms Freq Config COM Mon Readme Comm Address Config Current Address GetCommAddr New Address v SetCommAddr Set Serial Port MA En Timer COM Baud 19 The Config tab is used to set internal addresses For a standalone type unit this is generally set to Ox0A and will never need to be changed In a redundant setup the addresses are selected automatically by external cable setup Still it may be desirable in certain circumstances to change the default address Please consult with the factory if you believe this may apply to your situation Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 19 ALGA Microwave Mitec VSAT PA BUC Monitor and Control Interface Rev 3 2 Redundancy Status Current System Active Stand By Alarm
37. uld be used to achieve the recommended power density levels Inspection When the unit is received an initial inspection should be completed First ensure that the shipping container is not damaged If it is have a representative from the shipping company present when the container is opened Perform a visual inspection of the Outdoor Amplifier to make sure that all items on the packing list are enclosed If any damage has occurred or if items are missing contact Alga Microwave Inc 16715 Hymus Boulevard Kirkland Quebec H9H 5M8 Canada Phone 1 514 694 8666 Fax 1 514 694 3615 Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 5 ALGA Microwave Return of Equipment When returning items back to Alga Microwave for replacement or repair please prepare the following information e A written description of the problem encountered e The part number and serial number of the unit in question Once this information is ready contact Alga Microwave for a Return Material Authorization RMA number and shipping instructions An RMA number may also be requested by e mail at customerservice alga ca Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc ALGA Microwave Ports and Interfaces Prime Power Connection The Prime Power Connector is the point where the unit receives input power Two different configurations are possible AC input or DC input please review the units accompanying Bench Test Record to de
38. ves a more detailed breakdown of alarm types Note that some of these will not apply for particular units Firmware version information is also displayed The information on the Alarms tab is primarily for advanced troubleshooting in consultation with the factory Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 17 ALGA Microwave Redundancy Status Toggle 4 B Active Stand By Mm PAA Toggle C B PAB Mm PAC Ed Switch E Switch E Reset Alarms ome Auto Manual Manual Li O Stand lone O 1 1 System EM 1 2 System SSPA Switch Alarms Freq Config COM Mon Readme P A Freg PA_B Freq PA_C Freq Current Settings Current Settings Current Settings Ku Band Band 2 Ku Band Band 2 Ku Band Band 2 Freg 13750 14500 MHz Freq 13750 14500 MHz Freq 13750 14500 MHz LO Freq 12800 MHz LO Freq 12800 MHz LO Freq 12800 MHz Refresh Refresh Band Band1 C Band2 Refresh Band Bandi Band Bandi C Band2 C Band2 Set Set Serial Port EZ Dis Timer COM10 Baud 19200 The Frequency tab shows information on the frequency of operation If the unit is equipped with an LO select function it will show up here The LO select function allows choice between two different bands of operation Note that typically the input to output frequency mapping will change if a different band is selected The Refresh button will update the sta
39. when any of these status indicators show a problem In addition it is possible for the microcontroller to report output power levels in dBm and control system conversion gain when appropriate hardware is installed In Redundant configured units the Microcontroller is also responsible for system switching behavior Attenuator Module This is an electrically controlled variable attenuator an optional component that generally receives control signals from the Microcontroller It is responsible for both gain control functions and supplemental gain versus temperature compensation Some units may have a passive fixed attenuator installed instead to lower the overall conversion gain 10 MHz Module If an external 10 MHz reference signal is not available it is possible to equip the unit with an internal reference signal In this way only an L band signal from the modem is necessary at the input IF port As a side benefit a simple attenuator can be used at the input feed if a lower L band input is desired normally for a muxed input L band with 10 MHz consideration must be given to not excessively attenuate the 10 MHz signal The 10 MHz signal is provided by an ovenized oscillator for good frequency stability versus temperature Allow at least 10 minutes for the internal oven to stabilize and to provide a stable output frequency Dual Transfer Switch Supplied only with Redundant Systems It is a dual switch with a coaxial section an
40. ystem input to the coaxial section of the dual switch the input is simply passed to a divider and the signal is split to both unit A and unit B The output waveguide connections are the same as for the dual switch configuration described above along with the connection of the Daisy Chain Redundancy Cable 1 1 Cold STBY Redundant system RS232 RS485 Ethernet M amp C Main in Coaxial Cable Main in RS232 RS485 Ethernet M amp C Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 41 ALGA Microwave 1 1 Hot STBY Redundant system RS232 RS485 Ethernet M amp C Main in Coaxial Cable L Band IF In Coaxial Cable Main in RS232 RS485 Ethernet M amp C Outdoor Transmitter User Manual Serial amp Ethernet MC RE doc 42 ALGA Microwave Appendix B Installation Notes for 1 2 Redundant System The 1 2 redundant system is composed of the following items 1 3 outdoor transmitter units each configured with redundant ready option unit A unit B and unit C 2 2 dual coaxial waveguide transfer switch assemblies Switch 1 and Switch 2 3 2 switch driver assemblies one for Switch 1 and one for Switch 2 4 1 1 2 Daisy Chain Redundancy Cable assembly 7 connectors 5 4 input cable assemblies and 4 output waveguide assemblies may not be supplied Assemble the transmitter units onto your support bracketing may not be supplied Unit A unit B and unit C are determined by the switch port connect
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