WTX-596454/55/56-70-ES-35 250 to 400 Watt, C
Contents
1. WT X 596454 55 56 70 ES 35 250 to 400 Watt C Band High Power Transmitter M odule Operation and M aintenance M anual TES mitec This page has been intentionally left blank Mitec Telecom Inc Designers and manufacturers of telecom and wireless products 9000 Trans Canada Pointe Claire Quebec Canada HOR 5Z8 REVISION RECORD 0 Engineering Release 05 July 06 CM Approval TITLE WTX 596454 55 56 70 ES 35 250 400 Watt C Band High Power Transmitter Modules This document contains information proprietary to mitec telecom inc or its affiliates or to a third party to which mitec telecom inc may have a legal obligation to protect such information from unauthorized disclosure use or duplication Any disclosure use or duplication of this document or of any of the information contained herein is expressly prohibited except as mitec telecom inc may otherwise agree in writing Designer S Zhou Date 5 July 06 REV 0 DOCUMENT NO Technical Writer C Strunga Date 5 July 06 211603 001MA PAGE 1 OF 35 This page has been intentionally left blank mitec Preface Preface Scope This document covers the installation operation and maintenance of the WTX 596454 55 56 70 ES 35 250 400 Watt C Band High Power Transmitter Modules It contains information intended for engineers technicians and operators working with the transmitter module To make inq2. 90 265 VAC Power Supply 1 5 2 2K W max Figure 2 System Block Diagram Page 10 Rev 0 mitec 2 5 2 2 5 3 2 5 4 2 5 5 Rev 0 Installation amp Overview IF RF Conversion and Amplification The IF Input signal with a 1OMHz reference 0 5dBm and 24VDC 2A nominal enters the BUC by a coaxial cable converted to C Band by the BUC and goes through an isolator which provides good VSWR at the input Under normal operation the RF amplifier will amplify the RF Input signal level up to a power level of 54 to 56 dBm 250 to 400 Watts CW P1dB minimum For small signal gain the transmitter module is capable of providing a gain of approximately 70 dB To achieve the rated output power GaAs transistors as well as other microwave components within the RF Amplifier provide the necessary gain and low insertion loss The amplified signal is transmitted through waveguide to a satellite up link system Protection and Control The protection and control circuitry are all within the RF Amplifier A control section contains all of the necessary DC power conditioning circuitry to provide the proper bias and sequencing of RF amplifier devices The protection function within the control section includes the over temperature shut down The SSPA has a temperature sensor on the hot spot of the unit If the temperature of SSPA hot spot exceeds 85 C the RF Amplifier Module will shut down until the condition is
3. WT X 576450 51 52 53 70 ES 35 Outline Drawing 00 1 000maawsnaswanuswsassnans A 2 ii Rev 0 mitec Introduction 1 Introduction The High Power Transmitter modules are reliable high quality cost efficient High Power Transmitter systems designed for use in VSAT applications This line of superior products engineered using state of the art technology is characterized by unparalleled durability and dependability The systems also have high linearity and system gain stability over the full operating temperature range The output operating frequency range is the standard C Band of 5 850 GHz to 6 425 GHz However the operating frequency range can be altered to suite the customer s specification Refer to Table 1 Depicted below is the standard C Band frequency model Rev 1 Page 0 Introduction mitec 1 1 1 1 1 1 1 2 Receiving and Inspection The transmitter module is designed to function outdoors and will arrive in standard shipping containers Immediately upon receipt of the transmitter module check the Bill of Lading against the actual equipment you have received Inspect the shipping containers exteriors for visible damage incurred during shipping CAUTION Handle the transmitter module with extreme care Excessive shock may damage transmitter module s delicate internal components NOTE Before unpacking the shipping containers move them near to the site where the system wil
4. 7F reply 7E FF 84 00 OF 00 00 8B 7F Booster summary alarm is clear PS 3900040 00 ROE rtf Rev 0E_ Designed R Abdouche Page 11 of 14 Approved C Villeneuve 27 04 06 11 59 AM 7 4 SET Control Command List This section identifies the list of commands available to set control parameters any unit NOTE The packets shown in the list below are based on the assumption that the Booster device address is set to OxF To modify the commands for different addresses the Dest Src byte and the CRC byte will have to change in all packets Command Packet Format Set Mute Control TE FF 14 13 01 00 MM ZZ 7F TE FF 14 16 FF XX XX ZZ 7F Set IF Frequency Set Booster Device Address TE FF 14 03 04 00 XX ZZ 7F PS 3900040 00 ROE rtf Designed R Abdouche Approved C Villeneuve Possible Replies Explanation Mute Unmute the up link MM Mute control 1 Interpretation Refer to 7 1 Mute 0 enable ZZ CRC Set up link frequency XX XX Frequency in MHz ZZ CRC Refer to 7 1 Refer to 7 1 Set booster device address 0 lt address lt OxE Refer to 7 1 Refer to 7 1 Page 12 of 14 27 04 06 11 59 AM Refer to 7 1 Examples 1 cmd 7E FF 14 13 01 00 01 07 7F reply ACK Mute up link 2 cmd 7E FF 14 13 01 00 00 06 7F reply ACK Enable up link 1 cmd 7E FF 14 16 FF 03 B6 48 7F reply ACK Set IF frequency to 950 MHz 0x3B6 2 cmd 7
5. FF 01 95 F7 7F Gain 0x0195 0d405 40 54B Page 9 of 14 27 04 06 11 59 AM Rev 0E_ Command Packet Format Explanation Get Mute Status Get IF Frequency Get Booster SW Version Base number MSB 7E FF 02 06 01 05 7F TE FF 02 16 FF EB 7F TE FF 02 05 FC FB 7F Query booster for mute status Query transceiver for IF frequency Query booster for SW version base MSB Possible Replies Update Mute Status 7E FF 84 06 01 00 MM ZZ 7F Interpretation MM Mute status 0 enabled 1 muted ZZ CRC Update IF Frequency TE FF 84 16 FF XX XX ZZ 7F Refer to 7 1 XX XX System IF frequency in MHz ZZ CRC NACK Update SW Version Base MSB TE FF 84 05 FC 39 00 44 7F Refer to 7 1 SW version base number MSB is always 0x3900 NACK Refer to 7 1 Get Booster SW Version Base number LSB TE FF 02 05 FD FA 7F Query booster for SW version base LSB Update SW Version Base LSB TE FF 84 05 FD XX XX ZZ 7F XX XX SW version base number LSB ZZ CRC NACK Refer to 7 1 Get Booster SW Version Configuration TE FF 02 05 FE F9 7F Query booster for SW version configuration Update SW Version Config TE FF 84 05 FE 00 XX ZZ 7F XX SW version configuration ZZ CRC NACK Refer to 7 1 Get Booster SW Version Revision Get Booster Device Address PS 3900040 00 ROE rtf Designed R Abdouche Approved C
6. Surface Finish Hardware O ring 24 5 x 18 5 x 14 6 Rev 0 mitec mitec Installation amp Overview pF Input S O a RP Output 2 Environmental Operational Temperature 40 to GC 55 C to 85 C 5 to 95 at 65 C MTBF mean time between failures 80 000 hours fan reliability data is not included Fan must be replaced once every 2 years minimum NOTE Technical specifications are subject to change without notice 2 2 1 Controls Indicators and Connectors The controls and indicators appear in Table 2 Table 2 Controls and Indicators Mute In H W N A Mute In H W Contact Closure to Mute short pin K to pin M Temperature Compensation Internally set Over Temperature Shut Down 82 C var 2 C to 3 C at case temperature internally set Rev 0 Page 7 Installation amp Overview mitec 2 2 2 2 3 2 3 1 2 3 2 2 4 RF Reverse Power N A RF Overdrive NIA RFOn NA General Considerations The module shall meet all specifications over full bandwidth and under all environmental conditions when terminated with a load of VSWR at 1 5 1 unless otherwise specified All RF specifications shall be met within five minutes after applying DC power except gain stability and gain flatness which shall be met after a warm up period of twenty minutes During the warm up period the module MUST NOT exhibit any alarm or require an RF mute input signal to reset any alarm fault latches Basi
7. This is a Controlled Document Protocol Specification Revision OE Revision Date Change Summary Approval 0A 22 Apr 2003 Preliminary specification sent to customer C Villeneuve 0B Document does not exist 0C Document does not exist 0D 04 Dec 2003 Extracted protocol specs from technical specs document C Villeneuve OE 16 Jan 04 Completely revamped the document format No functional C Villeneuve changes made Serial Communication Protocol Specification For Control Software 3900040 00 mA KR QU NN 5 1 5 2 Table of Contents Document legend Project Overview Definitions and acronyms Scope Serial Communications Link Interface Customer Interface Port Configuration Customer Interface Cable Connections 6 Communication Protocol Framing 6 1 6 1 1 6 1 2 6 1 3 6 1 4 SCI Packet Frame Format SCI Packet Byte Description Default Address Values CRC Calculation Example Command Reply Packet Sequencing 7 Command List TA 7 2 7 3 7 4 8 App Default Reply Packet Format GET Status Command List GET Alarms Command List SET Control Command List endix I Troubleshooting Guide PS 3900040 00 ROE rtf Designed Approved R Abdouche Page 2 of 14 C Villeneuve 27 04 06 11 59 AM Rev 0E CG CO NANDA A A A RN Ww WH W W a pb pa wo N pa 1 Document legend Text in this document highlighted in grey identifies features which are plann
8. Update Booster Temp TE FF 84 06 06 TT TT ZZ 7F Interpretation TT TT Booster temp in C 273 ZZ CRC Update Booster Temp Sensor TE FF 84 2F FF VV VV ZZ 7F Refer to 7 1 VV VV Booster temp sensor voltage from OV 0x0000 to 5V Ox03FF The conversion formula is Temp Voltage x 0 4883 273 ZZ CRC Update Booster Output Power TE FF 84 17 FF PP PP ZZ 7F Refer to 7 1 PP PP Output power in 10 x dBm ZZ CRC Update Booster Gain TE FF 84 18 FF GG GG ZZ 7F Refer to 7 1 GG GG Gain in 10 x dB ZZ CRC Refer to 7 1 Examples 1 cmd 7E FF 02 06 06 02 7F reply 7E FF 84 06 06 01 02 87 7F Temp 0x0102 0d258 273 15 C 2 cmd 7E FF 02 06 06 02 7F reply 7E FF 84 06 06 01 34 BI 7F Temp 0x0134 0d308 273 35 C 1 cmd 7E FF 02 2F FF D2 7F reply 7E FF 84 2F FF 02 06 50 7F Voltage 0x0206 0d518 Temp 518 x 0 4883 273 20 1 C 2 cmd 7E FF 02 2F FF D2 7F reply 7E FF 84 2F FF 02 76 20 7F Voltage 0x0276 0d630 Temp 630 x 0 4883 273 34 6 C 1 cmd 7E FF 02 17 FF EA 7F reply 7E FF 84 17 FF 01 2C 41 7F Power 0x012C 0d300 30 0dBm 2 cmd 7E FF 02 17 FF EA 7F reply 7E FF 84 17 FF 01 A0 CD 7F Power 0x01A0 0d416 41 6dBm 1 cmd 7E FF 02 18 FF E5 7F reply 7E FF 84 18 FF 02 08 69 7F Gain 0x0208 0d520 52 0dB 2 cmd 7E FF 02 18 FF E5 7F reply 7E FF 84 18
9. are based on the assumption that the Booster device address is set to OxF To modify the commands for different addresses the Dest Src byte and the CRC byte will have to change in all packets Command Packet Format Explanation Possible Replies Interpretation Examples Get Booster Over TE FF 02 00 02 00 7F Query booster for over Update booster over XX Alarm state 0 no alarm 1 1 cmd 7E FF 02 00 02 00 7F Temperature Alarm temperature alarm temperature alarm alarm reply 7E FF 84 00 02 00 01 87 7F ZZ CRC Booster over temp alarm is raised TE FF 84 00 02 00 XX ZZ 7F NACK Refer to 7 1 2 cmd 7E FF 02 00 02 00 7F reply 7E FF 84 00 02 00 00 86 7F Booster over temp alarm is clear Get Booster Low Power 7E FF 02 00 05 07 7F Query booster for low Update booster low power XX Alarm state 0 no alarm 1 cmd 7E FF 02 00 05 07 7F Alarm if applicable power alarm alarm alarm reply 7E FF 84 00 05 00 01 80 7F ZZ CRC Booster low power alarm is raised TE FF 84 00 05 00 XX ZZ 7F NACK Refer to 7 1 2 cmd 7E FF 02 00 05 07 7F reply 7E FF 84 00 05 00 00 81 7F Booster low power alarm is clear Get Booster Summary TE FF 02 00 OF OD 7F Query booster for Update booster summary XX Alarm state 0 no alarm 1 1 cmd 7E FF 02 00 OF OD 7F Alarm summary alarm alarm alarm reply 7E FF 84 00 OF 00 01 8A 7F ZZ CRC Booster summary alarm is raised TE FF 84 00 OF 00 XX ZZ 7F NACK Refer to 7 1 2 cmd 7E FF 02 00 OF 0D
10. corrected Internal Power Distribution Reference The transmitter module operates from power source of 24VDC for the BUC and 90 VAC to 265 VAC 47 Hz to 63 Hz for the SSPA It will consume approximately 1 5 2 2K watts The power supply converts the incoming AC voltage into two separate DC voltages The DC voltages are regulated to ensure isolation and stability The module provides 12 VDC 160A maximum to the RF amplifier 12 VDC 6A maximum to the cooling system fan Refer to Error Reference source not found in Appendix A The power supply is capable of 85 efficiency If the input voltage exceeds its maximum value the power conditioner board will shut down the SSPA until the over voltage condition is corrected Inrush current will not trip this protection circuit Serial Protocol Appendix D contains the serial protocol document relevant to these products Page 11 This page has been intentionally left blank mitec 3 1 Rev 0 Operation 3 Operation This chapter describes the verification of the operation and control of the transmitter module It shall be performed by authorized personnel prior to maintenance and or repair Procedure Verify that the installation procedure described in Chapter 2 was completed A complete physical check of the customer s system is suggested WARNING The output power available at the output waveguide flange is extremely hazardous Under no circumstances should th
11. dBm Input Power Level Small Signal Gain 70 dB min over temperature Gain Flatness small signal 3 dB typ 4 dB max over full band 2 0 dB p p max over any 40 MHz Gain Stability with power expansion 0 5 dB max Page 5 Installation amp Overview RF Performance Page 6 Output Power WTX 5x6454 70 ES 35 WTX 5x6455 70 ES 35 WTX 5x6456 70 ES 35 Saturated Output Power WTX 5x6454 70 ES 35 WTX 5x6455 70 ES 35 WTX 5x6456 70 ES 35 3 Order Intermodulation each Phase Noise Integrated Phase Noise Error Source amp Load VSWR Input Return Loss Output Return Loss purious In band purious Out of Band Harmonics RF Monitor Port optional Power Consumption 54 dBm 250 W min at P1dB 55 dBm 320 W min at P1dB 56 dBm 400 W min at P1dB 55 dBm 320 W nominal at PSAT 56 dBm 400 W nominal at PSAT 56 5 dBm 450 W nominal at PSAT 25 dBc two equal signals 3 dB back off and 5 MHz apart 60 dBc Hz max 300 Hz offset of the carrier 70 dBc Hz max kHz offset of the carrier 80 dBc Hz max 10 kHz offset of the carrier 90 dBc Hz max 100 kHz offset of the carrier 100 dBc Hz max 1 MHz offset of the carrier without damage unconditionally stable Power Supply Input Output Cooling Efficiency Design Technology 110 220 VAC 50 60 Hz 85 nominal High frequency switching modules Mechanical Specifications Package ize overall dimensions Weight Cooling Exterior
12. 111 1101 XOR Data 0x06 gt 0000 0110 11111011 XOR Data 0x06 0000 0110 11111101 Perform bitwise inversion of final result SOOO ODIO YOXOZ gt CRC 6 1 4 Command Reply Packet Sequencing The Transceiver will never send a packet to the customer interface device unless a command is received In other words the Transceiver will not speak unless spoken to PS 3900040 00 ROE rtf Rev 0E Designed R Abdouche Page 7 of 14 Approved C Villeneuve 27 04 06 11 59 AM 7 Command List 7 1 Default Reply Packet Format This section identifies the packet format the ACK Acknowledge and NACK Not acknowledge replies which may be sent to the customer interface device in response to a received command NOTE The packets shown in the list below are based on the assumption that the Booster device address is set to OxF To modify the commands for different addresses the Dest Src byte and the CRC byte will have to change in all packets Packet Format ACK Acknowledge TE FX E0 ZZ 7F NACK Not Acknowledge TE FX F1 YY ZZ 7F PS 3900040 00 ROE rtf Designed R Abdouche Approved C Villeneuve Explanation Acknowledge that the received packet was properly processed Indicate that a problem was encountered with the received packet Page 8 of 14 Interpretation X Device address of the packet source device ZZ CRC X Device address of the packet source device YY Error code 0
13. 3 Incorrect CRC 18 Unrecognized command 30 Set command attempted on a restricted database element ZZ CRC 27 04 06 11 59 AM Examples 1 reply 7E FF E0 E0 7F ACK reply sent from the Booster 1 reply 7E FF F1 03 F2 7F NACK reply sent from the Booster for an invalid CRC 2 reply 7E FF F1 18 E9 7F NACK reply sent from the Booster for an unrecognized command Rev 0E_ 7 2 GET Status Command List This section identifies the list of commands available to query any unit for status information NOTE The packets shown in the list below are based on the assumption that the Booster device address is set to OxF To modify the commands for different addresses the Dest Src byte and the CRC byte will have to change in all packets Command Get Booster Temperature Get Booster Temperature Sensor Voltage Get Booster Output Power Get Booster Gain if applicable PS 3900040 00 ROE rtf Designed R Abdouche Approved C Villeneuve Packet Format TE FF 02 06 06 02 7F TE FF 02 2F FF D2 7F TE FF 02 17 FF EA 7F TE FF 02 18 FF E5 7F Explanation Query booster for current temperature Query booster for current temperature sensor voltage Note This command is to be used if a more accurate temperature reading is required than the result of the Get Booster Temperature command Query booster for current output power Query booster for current gain Possible Replies
14. E FF 14 16 FF 04 33 CA 7F reply ACK Set IF frequency to 1075 MHz 0x433 3 cmd 7E FF 14 16 FF 04 BO 49 7F reply ACK Set IF frequency to 1200 MHz 0x4B0 4 cmd 7E FF 14 16 FF 05 2D D5 7F reply ACK Set IF frequency to 1325 MHz 0x52D 5 cmd 7E FF 14 16 FF 05 AA 52 7F reply ACK Set IF frequency to 1450 MHz 0x5AA 1 cmd 7E FF 14 03 04 00 0A 19 7F reply ACK Set Booster device address to 0xA 2 cmd 7E FF 14 03 04 00 OE ID 7F reply ACK Set Booster device address to 0xE Rev 0E_ 8 Appendix I Troubleshooting Guide Possible Remedies No response at all from Booster Ensure the cable assembly is wired properly refer to 5 2Customer Interface Cable Connections and that it is properly connected between the transceiver customer interface port and the customer device Verify that the com port parameters are as specified in 5 1Customer Interface Port Configuration Confirm that the customer interface cable is connected to the correct PC com port Ensure that there are no other applications executing on the same com port If the transport medium is RS232 then connect the loopbacks identified in the note in Figure 2 RS232 Customer Interface Wiring If using a Booster address other than OxF then send a GET Booster Device Address command to destination address 0xF The reply will contain the current booster address Note that the booster will respond to all commands received with destinat
15. Villeneuve TE FF 02 05 FF F8 7F TE FF 02 03 04 05 7F Query booster for SW version revision Query booster for device address Update SW Version revision 7E FF 84 05 FF RR RR ZZ 7F RR RR SW version revision represented as two ASCII characters ZZ CRC NACK Update booster device address TE FF 84 03 04 00 XX ZZ 7F Refer to 7 1 XX Booster device address ZZ CRC NACK Page 10 of 14 27 04 06 11 59 AM Refer to 7 1 Examples 1 cmd 7E FF 02 06 01 05 7F reply 7E FF 84 06 01 00 00 83 7F Booster is enabled 2 cmd 7E FF 02 06 01 05 7F reply 7E FF 84 06 01 00 01 82 7F Booster is muted 1 cmd 7E FF 02 16 FF EB 7F reply 7E FF 84 16 FF 03 B6 D8 7F IF frequency set to 0x03B6 0d950 950 MHz 1 cmd 7E FF 02 05 FC FB 7F reply 7E FF 84 05 FC 39 00 44 7F cmd 7E FF 02 05 FD FA 7F reply 7E FF 84 05 FD 00 40 3C 7F cmd 7E FF 02 05 FE F9 7F reply 7E FF 84 05 FE 00 00 7F 7F cmd 7E FF 02 05 FF F8 7F reply 7E FF 84 05 FF 30 41 OF 7F The resulting software version is 3900040 00 ROA 1 cmd 7E FF 02 03 04 05 7F reply 7E FF 84 03 04 00 0A 89 7F Booster device address 0xA 2 cmd 7E FF 02 03 04 05 7F reply 7E FF 84 03 04 00 OE 8D 7F Booster device address 0xE Rev 0E_ 7 3 GET Alarms Command List This section identifies the list of commands available to query any unit for alarm information NOTE The packets shown in the list below
16. ain and Gain flatness RF load VSWR and RF source VSWR Two Tone Intermodulation Distortion Return Loss at connectors J1 and J2 of the TRANSMITTER MODULE Using a Source and an IF input signal level within the small signal region of the transmitter module measure the power level at connectors J1 and J2 See Error Reference source not found Plot the swept response on a test data sheet From the plot determine gain and gain flatness With an IF Input signal level within the small signal region of the transmitter module measure the VSWR Return Loss at connectors J1 and J2 See Error Reference source not found Plot the swept return loss for both the IF Input and RF Output signals on a test data sheet From the plot determine the return loss From the output power measurements determine P1dB Record value on a test data sheet Measure the Two tone Intermodulation Suppression using two equal signals separated by 5 MHz Record value on test data sheet Troubleshooting WARNING Cable connection and disconnection shall be done carefully to avoid physical damage to the cables and connectors which may cause intermittent problems in the future Use Table 4 to quickly isolate a fault within the transmitter module If the transmitter module is defective notify mitec and follow the process detailed in section 1 1 2 Symptom Action Fails performance test Check power source RF source cabling and connectors Check fo
17. aring for Installation Before attempting to install or use the transmitter module we recommend that you first familiarize yourself with the product by reading through this manual Understanding the operation of the system will reduce the possibility of incorrect installation thereby causing damage or injury to yourself or others The transmitter module must be installed in accordance with the conditions and recommendations contained in the following sections When you are ready to begin your installation use the information in Chapter 2 Installation as a guide for making all the required electrical connections 1 2 1 Safety Precautions Carelessness or mishandling of the transmitter module may damage the unit causing serious injury to yourself or others Please adhere to the following WARNING This unit is equipped with an AC power cord and plug Do not tamper with or attempt to reconfigure the cord or plug supplied with the unit as this can e result in personal injury e void the warranty e cause damage to the units or related equipment Rev 1 Page 0 This page has been intentionally left blank mitec Installation amp Overview 2 Installation amp Overview 2 1 2 2 Rev 0 General Description This section describes the installation and theory of operation of the transmitter module The module is a stand alone Transmitter System powered from 24 VDC and 110 220 VAC power sources It will ampli
18. c Mechanical Characteristics External View of the Transmitter Module The physical external dimensions of the transmitter module are shown in Figure 3 and Table 1 All inputs and outputs are shown in Figure 3 Connections and Mounting Hardware The connections require a coaxial cable with an N type F type optional male connector for the IF Input and waveguide for RF Output There is also a cylindrical connector on the RF Input side of the SSPA for AC power The pin assignment for this connector is shown in Appendix B Four brackets each with two 1 4 screws fastens the SSPA and BUC on to the mounting frame for adequate support Two U bolts with nuts are supplied to attach the frame to the beam See section 2 4 below Assembly and Installation Use the information in this section as a guide to assemble and install the transmitter module Page 8 Rev 0 mitec Installation amp Overview CAUTION Only authorized technical personnel should perform the Installation and proper electrical hookups of the transmitter module 2 4 1 Lifting the Transmitter Module into Position and Temporary Attachment The transmitter module weighs approximately 18kg 39 6 Ib which may be handled by a single person Remove all plastic caps from the connectors Lift the transmitter module The transmitter module is now ready for permanent attachment 2 4 2 Securing the Transmitter Module Secure the transmitter module on to the mounting frame u
19. e Approved C Villeneuve Page 5 of 14 27 04 06 11 59 AM Rev 0E 6 Communication Protocol Framing 6 1 SCI Packet Frame Format The packets exchanged with the master controller will have the following format regardless of direction Packet Frame Format MSB Dest Src STX Address Cmd Len eoo Data 080 CRC ETX Data Format Data Data oo Data Data Figure 5 SCI Packet Frame Format 6 1 1 SCI Packet Byte Description STX is the start transmission byte defined as 0x7E This byte is used to determine the start of a packet e Dest Src Address contains the destination address in the high nibble and the source address in the low nibble The destination address is the address of the device which is to process the packet The source address is the address of the device which sent the packet Note that the device address of the customer interface device is always OxOF e CMD Len contains the packet command in the high nibble and the number of bytes in the data portion of the packet in the lower nibble The following commands may be sent by the customer interface device GET command high nibble 0x0 Request the current value of a database element SET command high nibble 0x1 Set the database element to the specified value The following commands may be returned to the customer interface device UPD command high nibble 0x8 Return the current va
20. e transmitter be operated without the waveguide feed or a high power load attached Do not operate this equipment in the presence of flammable gases or fumes Failure to observe this precaution will result in personal injury Safe and careful installation of this transmitter will eliminate the possibility of accidents and provide years of top performance Turn ON the power and allow a warm up period of twenty minutes before operating the transmitter module This will assure stable gain and power The transmitter module can function with a coupler when a direct measurement of the output power is made NOTE The transmitter module can withstand any source or load VSWR However the transmitter module will meet all specification requirements only if the source load VSWR is sufficient see Section 2 2 NOTE Normal operation is not possible if the antenna feeder VSWR is greater than 1 5 1 Page 13 3 2 Operation mitec CAUTION It is strongly recommended not to exceed 20 dBm maximum IF Input level The transmitter module will be in deep saturation if overdriven RF performance will degrade significantly and proper operation is not possible This operational condition is the survival mode for the transmitter module Never exceed the maximum safe IF Input level of 20dBm 0 01W or permanent damage to the transmitter modu
21. ed but not implemented yet 2 Project Overview This document describes the communications protocol used to communicate with high power transmitter modules ODUs configured with embedded software 3900040 00 when used in a stand alone configuration Customer PC Modem iei Booster ex Address 0xF WTX Interface Figure 1 System Block Diagram If the Booster is configured in a redundant configuration or is connected through a transceiver then the communications protocol for the redundant kit or transceiver supercedes the present document 3 Definitions and acronyms The following terms appear throughout this document Controller The microprocessor based card and associated embedded software which handles all communications between the customer interface and the amplifier CRC Cyclic Redundancy Check Customer Interface Port The interface port through which the device used by the customer will interact with the Transceiver ie typically a modem or PC Customer Interface Device The interface device used by the customer to interact with the Transceiver ie typically a modem or PC PC Personal Computer RF Radio Frequency SCI Serial Communications Interface WBT Wavesat Bias Tee Unit WTX Wavesat Transmitter 4 Scope This document covers all aspects of the communication protocol which are required for the customer to develop a controlling device typically a PC application pro
22. fy an input signal from an L Band RF source up to a power level of 250 400 Watts CW in C Band The Transmitter consists of a low power block up converter BUC and a high power amplifier SSPA The SSPA consists of a Power Supply RF Amplifier and Cooling System The power supply provides DC voltages to the RF amplifier and the cooling system The RF amplifier is capable of providing an output level of 250 400W and contains over temperature shut down and protection circuits The cooling system fan and heat sink fins together supply and distribute a steady flow of air preventing the internal electrical components of the SSPA from over heating All three components are protected by a shroud which can be removed easily when replacing the cooling system fan Refer to Chapter 4 The SSPA is for outdoor use and is secured onto a mounting frame by two brackets Specifications Table 1 summarizes the specifications of the WTX 596454 55 56 70 ES 35 250 400 Watt C Band High Power Transmitter Module For mechanical specifications refer to the outline drawing Error Reference source not found in Appendix A Table 1 Specifications RF Performance Output Frequency WTX 59645x 70 ES 35 Standard Band 5 85 to 6 425 GHz WTX 57645x 70 ES 35 Extended Band 5 725 to 6 425 GHz IF Frequency WTX 59645x 70 ES 35 Standard Band 950 to 1525 MHz WTX 57645x 70 ES 35 Extended Band 950 to 1650 MHz Reference Frequency 10 MHz External Reference 0 5
23. gram or modem to interface with the Mitec product PS 3900040 00 ROE rtf Rev 0E Designed R Abdouche Page 3 of 14 Approved C Villeneuve 27 04 06 11 59 AM 5 Serial Communications Link Interface 5 1 Customer Interface Port Configuration The customer interface port of the controller is configured as follows Baud Rate 19200bps Data bits 8 Stop bits 1 Parity None HW Control None 5 2 Customer Interface Cable Connections This software protocol remains the same regardless of the transport medium used ie RS232 RS485 half duplex or RS485 full duplex This section defines the wiring required to communicate with the Mitec product Note that the pin numbers on both side of the cable are deliberately omitted since these will vary depending on the Mitec product as well as the PC Modem interface Please refer to the specific user manuals for pin allocations Please refer to the user manual for the Mitec product if unsure of the customer interface transport medium For RS232 TX RX Ni PC Modem Transceiver Interface RX TX Customer Interface Gnd Gnd Note Some PC com ports require that loopbacks be present at the PC modem interface If such is the case then connect the following signals together at the PC modem interface Interconnect DTE Ready to DCE Ready to Received Line Signal Detect Also interconnect Request to Send to Clear to Send Also note t
24. hat this diagram only represents the serial communication connections Refer to the user manual for any other signals which may be provided through this interface Figure 2 RS232 Customer Interface Wiring PS 3900040 00 ROE rtf Rev 0E Designed R Abdouche Page 4 of 14 Approved C Villeneuve 27 04 06 11 59 AM For RS485 Half Duplex PC Modem Interface Data TX i L RX T EEEE Gnd Transceiver Customer Interface Note Some PC cards provide TX RX TX and RX hardware signals instead of Data and Data In this case the TX and RX lines are to be shorted together to form the Data signal Similarly the TX and RX lines are to be shorted together to form the Data signal Also note that this diagram only represents the serial communication connections Refer to the user manual for any other signals which may be provided through this interface Figure 3 RS485 Half Duplex Customer Interface Wiring For RS485 Full Duplex ie RS422 ac me TX RX PC Modem Interface RX TX TX RX Gnd Gnd J Note that this diagram only represents the serial communication connections Refer to the user manual for any other signals which may be provided through this interface Transceiver Customer Interface Figure 4 RS485 Full Duplex ie RS422 Customer Interface Wiring PS 3900040 00 ROE rtf Designed R Abdouch
25. ing sheet can be copied and used as a fax form to order the required spare parts Please make sure to include all identifying information to facilitate the processing of your order The order may also be sent via email or regular mail delivery at the following address Mitec telecom inc 9000 Trans Canada Blvd Pointe Claire Quebec Canada H9R 5Z8 Fax 514 694 3814 Email rmitch mitectelecom com For additional information please contact our customer service department at 514 694 9000 or 1 800 724 3911 Rev 0 C 1 This page has been intentionally left blank mitec Appendix C Mitec Telecom Inc TES Designers and manufacturers of telecom amp wireless products ISO 9001 Certified WTX 596450_51_52_53 70 ES 35 100 200 Watt C Band High Power Transmitter Module LA Description KTA Number Quantity Line ae To be completed by mitec Sales Department Fax to Customer Service 514 694 3814 Rev 0 C 3 This page has been intentionally left blank mitec Appendix D Appendix D Serial Interface Protocol Appendix D contains the serial protocol documentation relevant to these products when used in a stand alone configuration Rev 0 D 1 This page has been intentionally left blank mitec Document Name File Name PS 3900040 00 ROE rtf Page Page 1 of 14 Originator R Abdouche Model Number N A 9000 Trans Canada Pointe Claire QC Canada H9R 5Z8 Confidential and Proprietary to Mitec
26. ion address OxF If the transport medium is RS485 half duplex note that some PC cards require software control of the RS485 transmit and receive buffer enable lines The software in the customer device may need to coordinate the enabling disabling of these buffers Ensure the booster is powered on Reply packet is incomplete If software control of the transmit and receive buffer enable lines is required RS485 half duplex then it is possible that the timing between the transition needs to be adjusted PS 3900040 00 ROE rtf Rev 0E_ Designed R Abdouche Page 13 of 14 Approved C Villeneuve 27 04 06 11 59 AM This page left intentionally blank PS 3900040 00 ROE rtf Rev 0E_ Designed R Abdouche Page 14 of 14 Approved C Villeneuve 27 04 06 11 59 AM
27. l be mounted Ensure that the containers are oriented correctly in accordance with the This Side UP labels Carefully remove the transmitter module and packing material from the shipping containers Using the supplied packing list verify that all items have been received and undamaged during shipment Verify that all items are complete If there are any omissions or evidence of improper packaging please notify mitec telecom inc immediately Equipment Damage or Loss Mitec Telecom Inc is not responsible for damage or loss of equipment during transit For further information contact the responsible transport carrier When declaring equipment as damaged during transit preserve the original shipping cartons to facilitate inspection reporting Return of Equipment When returning equipment to mitec for repair or replacement 1 Identify in writing the condition of the equipment 2 Refer to the sales order Purchase Order and the date the equipment was received Notify Mitec Sales Administration Department of the equipment condition and obtain a Return Material Authorization RMA number and shipping instructions Mitec will pay for the cost of shipping the product to the customer after the repairs are completed Page 2 Rev 0 mitec Introduction NOTE Do not return any equipment without an RMA number This is important for prompt efficient handling of the returned equipment and of the associated complaint 1 2 Prep
28. le may result Interface The connector interface is described in Table 3 Table 3 Connector Interface Connector Name Type Pin Signal Name Description Parameter 20 dBm max J IF Input IF INPUT N Type Female N A IF In 24 VDC IN 24 VDC 1 5 Amax 10 MHz Ref In 0 to 5 dBm J2 RF OUTPUT WR 137G N A RF Out RF Output B MS3102R16 A Line 110 220VAC z 5 10P B GND Ground 50 60 Hz AREYE 3 pins male C N Neutral 2 2KW max A TX output to RS 485 Interface B TX Half Duplex C RX input from Ka Full Duplex D RX Configurable F AL Sum Summary Alarm TTL Low Alarm H Reserved Reserved Reserved G GND Ground Signal GND L 12V 12 VDC Supply i MS3102R20 J GND Ground Diea DAQE 29S K MI Mute In To Mute short Pin RS 485 17 pins female K Mute In om Common to Pin M Summary Alarm Pin N Opens From a AG DUA Normally Open Pin T on Alarm Summary Alarm Pin P Closes to p SDE Normally Closed Pin T on Alarm AL Sum Comm Alarm Common Floating Page 14 Rev 0 mitec Maintenance 4 Maintenance This chapter contains information on how to maintain troubleshoot and repair the transmitter module The transmitter module is extremely reliable requiring very little preventive maintenance or repair Should there be a malfunction this chapter also contains technical information to help diagnose basic failures 4 1 Preventive Maintenance 4 1 1 Procedure WARNING Shut down the transmitter module before disassembly and
29. lue of a database element ACK command high nibble 0xE Acknowledge a received packet NACK command high nibble 0xF Reject a received packet Not ACKnowledge e Data Data contains the packet payload The value of the data bytes is specific to the command and will be covered in following sections CRC is the cyclic redundancy check and is calculated by performing a byte wise exclusive OR of the Dest Src address byte Cmd Len byte and all data bytes A bit wise inversion is then applied to the CRC before being inserted into the packet ETX is the end transmission byte defined as 0x7F This byte is used to determine the end of a packet PS 3900040 00 ROE rtf Rev 0E Designed R Abdouche Page 6 of 14 Approved C Villeneuve 27 04 06 11 59 AM 6 1 2 Default Address Values The customer interface device must always be assigned address OxF The Transceiver device address is factory defaulted to OxF It may be set by the customer using the SET Transceiver Address command refer to SET Control Command List The Booster device address is factory defaulted to OxE It may be set by the customer using the SET Booster Address command refer to SET Control Command List 6 1 3 CRC Calculation Example To send a command to read the temperature database element 0x0606 from the Booster device address OxO0F the command is 7E FF 02 06 06 02 TF L Dest Src OxFF gt 11111111 XOR CMD Len 0x02 0000 0010 1
30. ncsauetees 5 2 2 1 Controls Indicators and Connectors essesesseeseeesssssseeseessseserersesssssserereessssss 7 2 2 2 General Considerations ienai NN 8 2 3 Basic Mechanical Characteristics cccccccssssssssccscccccecssssssccccceccesesessscocccsceesseees 8 2 3 1 External View of the Transmitter Module 00007 7770 naasa 8 2 3 2 Connections and Mounting Hardware cccecceccceesceessececeeeeceeeeeeeeeeeeesseenes 8 2 4 Assembly and Installation ccccccssscccsssccsssccssccccccccccsccscscccscesscssesscssesccsseseesees 8 24 1 Lifting the Transmitter Module into Position and Temporary Attachment 9 2 4 2 Securing the Transmitter Module inaanak Balabagan a 9 2 5 FUN CHON AL OVERVIEW cccsscsssecesscsesdsscasesccdecssccssonsbecsssssesdsscnesscsdsessecsseasbactsscsesdacessesedes 10 DAM General 22Na bite DANDING NANA BAAL AGAIN NINA ban 10 38 2 IF RF Conversion and AmpHCaAD Auna UA Aa a 11 2 5 3 Protection and Control 00000000000003 ai a a ela aii 11 2 5 4 Internal Power Distribution Reference 1000 7 0 1 aan 11 2 55 Sema Protocol i ka GG NGANGA ABALA BANANA 11 3 OPERATION 22422 nna a occa evo aa APA ee 13 3 1 Procedu e NGINIG LINK GT BN NALANG BINALAAN BANANA 13 Bid Interfa C NAI NINKB KNB cuaweedeaseceatsecev edesue dustaseavtesesceesoudsses 14 Rev 0 i Table of Contents mitec 4 MAINTENANCE 11111111 Aa 15 4 1 Preventive Maintenane cccccccs
31. r clogged fan and debris in heat sink fins Clean thoroughly If fan is worn replace fan If correct transmitter module is defective Return transmitter module to mitec Table 4 Recommended Corrective Actions Out of Warranty Repair A non warranty and out of warranty repair service is available from mitec for a nominal charge The customer is responsible for paying the cost of shipping the SSPA both to and from mitec for these repairs Page 16 Rev 0 mitec Appendix A Appendix A Drawings amp Schematic Diagrams WTX 576454 55 56 70 ES 35 Outline Drawing Rev 0 A 1 This page has been intentionally left blank y Ss a 4 Gees a Ss Ss SS a We Figure 3 WTX 576454 55 56 70 ES 35 Outline Drawing This page has been intentionally left blank mitec Appendix B Appendix B Bench Test Record Appendix B contains the bench test record for the product version described herein Rev 0 B 1 This page has been intentionally left blank mitec Appendix C Appendix C Spare Parts Appendix C contains a table of recommended spare parts for on hand replacement The follow
32. remove all cables and connectors Failure to observe this precaution may result in personal injury or death This includes the removal of any RF power originating from other system components When the transmitter module is in the hot stand by mode in a redundant system switch it to the operation mode at least once every three months Make sure the fan is running while in operation mode When the transmitter module is in the cold stand by mode in a redundant system switch it to the operation mode at least once every three months Make sure the fan is running while in operation mode 4 1 2 Transmitter Module Cooling System Preventive Maintenance Preventive maintenance is limited to checking the performance of the transmitter module cooling system No electrical or mechanical adjustments are required for normal operation The fan is the least reliable item in the transmitter module Wearing of the fan bearings will cause the RPM to drop and will create a higher than average heat sink temperature It is recommended to replace the fan after 2 years of operation 4 1 3 Performance Check Verify the system is properly set up as per Chapters 2 and 3 The power output at 1 dB compression shall be measured for evaluating the performance of the transmitter module Rev 0 Page 15 Maintenance mitec 4 1 4 4 1 5 It is recommended to measure the following parameters for ensuring that the transmitter module is in good working condition G
33. sing the hardware described in section 2 2 2 Attach the proper cable or waveguide for IF input RF output and AC power to the corresponding connector of the transmitter module Refer to Error Reference source not found in Appendix A NOTE The cylindrical connector is labeled clearly and has different pin layout Refer to Error Reference source not found It is impossible to incorrectly install the mating connectors The SSPA requires a steady flow of air To provide a sufficient airflow the SSPA should be properly oriented and mounted with a minimum clearance of 3 0 inches see Figure 1 Adequate cooling for the SSPA will provide years of top performance Rev 0 Page 9 Installation amp Overview mitec 3 INCH MIN CLEARANCE ALL AROUND fh POWER INPUT CORP put LI OUTPUT gt Figure 1 Recommended Distance for Mounting on the Hub 2 5 Functional Overview 2 5 1 General This section describes the transmitter module functions in detail The functional overview explains the RF amplification protection circuit and power distribution Figure 2 block diagram illustrates the transmitter module IF In L Band amp RF Out 10MHz reference gt 54 56 dBm min P1dB 0 5 dBm with 24VDC 50 100A max Cooling System m gt 2X300 CFM min 12 VDC Fan AC Power In 6 A max
34. sssssccsccccssssssssscccccsccscesesssccsccscescesescscscccceeseseees 15 AVL BG AA 15 4 1 2 Transmitter Module Cooling System Preventive Maintenance 15 4 1 3 Performance Check AA AA AA 15 41 4 Troubleshooting AU 16 4 1 5 Out of Warranty Repaltinc icncuyy ait ota oar ade ee 16 APPENDIX A AN eo ceca see ANNA na Drawings amp Schematic Diagrams ssesssesssesssocssooesoosssssssoesssoecssocssoossoosssossssesssooss A 1 APPENDIX B cs aero ecco Ze a at PE BGC ENG UN 2a ces eae caoveenacesantencscenceea aes Bench Test Record Ll s0 INANI RIA B 1 APPENDDEG 33g aa ngaba nb aaraw atan aaa PEG GE aaah Ka case aaa a a a Spare PATAS NGANGA AA NAPAG AGA NGA AGO C 1 APPENDDOD ad kaka cet n a aa ee Eae E canes ican Serial Interface Protocoliciscseccsscscccsccssseccsssssadedesssecsseesseaccosveecssessecsdes sb evesesssocscssuscdecess D 1 List of Tables Tale TSS PSC AA E teta 5 Table 2 Controls and Indicators inne n A E A A E iiia 7 Table 3 Connector Interface e ieee eeceeececececscececscecscsescccceccescecscececscsceescesecscsescseseese 14 Table 4 Recommended Corrective Actions ccccccececesesecsesssssesssessssecseseseseescsceceescese 16 List of Figures Figure 1 Recommended Distance for Mounting on the Hub cece eeeeseeneeeeeeeeeenee 10 Figure 2 1 1 System Block Diagram paa BANGA ANAN NAGTALA GAGA GAGS 10 Figure 3 WTX 596450 51 52 53 70 ES 35 Outline Drawing A Error Bookmark not defined Figure 4
35. uiries or to report errors of fact or omission in this document please contact Mitec Telecom Inc at 514 694 9000 IMPORTANT Important information concerning the operation and care of this product as well as safety of authorized operators is highlighted throughout this document by one of the following labels NOTE Indicates a reminder a special consideration or additional information that is important to know CAUTION Identifies situations that have the potential to cause equipment damage WARNING Identifies hazardous situations that have the potential to cause equipment damage as well as serious personal injury Rev 0 P 1 This page has been intentionally left blank mitec Table of Contents Table of Contents 1 INTRODUCTION 2am pa AG AA KAL ao nagdaan cenetedebnawacnasabenes 1 1 1 Receiving and Inspection cccsccsccsccscscesccccssscccssccecssccecssccssscecsesccssescessesceees 2 1 1 1 Equipment Damage or LOSS aan kaka Km kahalo aka 2 1 12 Ret rn of Equipment aaa a a asta toda Aaa Aas 2 1 2 Preparing for Installation oissssesscsseasdccsacacsssseondcsesacssossveovoncvsscussossvbsestousseavsadvasausunsies 3 1 2 1 Safety ka ka AA AA 3 2 INSTALLATION 8 OVERVIEW 111 aa 5 2 1 General Description siscescossescsssssedssesseeceshespascoonshecsossvoadesssusacsusspecescevoedssvevssdevsuaseussees 5 2 2 Specification Sosseccion soseo eons dein uletassqsiunauusnscauscduotedseanaseeasnbascu
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