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Comtech EF Data XPA-200 Installation And Operation Manual

Solid-state high power amplifier
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XPA-200
Solid-State High Power Amplifier
Installation and Operation Manual
IMPORTANT NOTE: The information contained in this document supersedes all previously published
information regarding this product. Product specifications are subject to change without prior notice.
Part Number MN/XPA200IN.IOM
Revision 2

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Summary of Contents for Comtech EF Data XPA-200

  • Page 1 XPA-200 Solid-State High Power Amplifier Installation and Operation Manual IMPORTANT NOTE: The information contained in this document supersedes all previously published information regarding this product. Product specifications are subject to change without prior notice. Part Number MN/XPA200IN.IOM Revision 2...
  • Page 2 Copyright © 2013 Comtech EF Data. All rights reserved. Printed in the USA. Comtech EF Data, 2114 West 7th Street, Tempe, Arizona 85281 USA, 480.333.2200, FAX: 480-333-2161...
  • Page 3 Errata A Comtech EFData Documentation Update Subject: Various Changes Date: February 28, 2003 Document: XPA200-7984-I-OPT1, X-Band SSPA Installation and Operation Manual, Rev. 2 Part Number: Collating Attach these pages at the beginning of the Instructions: manual. Comments: The following changes provide updated information. This information will be incorporated into the next revision.

  • Page 4: Temperature Fault

    Section 5.8.3.5 should be amended to include (amendments or changes in bold): . . . +10_2_xx’cr’ +10 PS#2 Fault SHTD_xx’cr’ Thermal Shutdown . . . Note: A temperature fault is indicated if the unit is less than - 20C or more than 85 degrees C. This creates a summary fault and will cause the unit to mute itself and switchover to the back-up unit.
  • Page 5 Note: A temperature fault is indicated if the unit is less than - 20C or more than 85 degrees C. This creates a summary fault and will cause the unit to mute itself and switchover to the back-up unit. However, the 10V supply to the FET transistors will remain on until the unit reaches the thermal shutdown temperature of 90 degrees C or above.

  • Page 7: Limitations Of Warranty

    XPA200-7984-I-OPT1, X-Band SSPA Policy POLICY WARRANTY This COMTECH Product is warranted against defects in material and workmanship for a period of one year from the date of shipment. During the warranty period, COMTECH will, at it's option, repair or replace products which prove to be defective. For warranty service, the product must be returned to COMTECH, all shipping charges prepaid by the buyer.

  • Page 9: System Operation

    XPA200-7984-I-OPT1, X-Band SSPA Preface Preface Manual This manual describes the installation, operation and maintenance for the XPA200-7984-I 200 watt X-Band Solid State High Power Amplifier (SSPA). Intended Users This is a technical document intended for satellite earth station engineers, technicians and operators responsible for the installation, operation and maintenance of the XPA200-7984-I X- Band SSPA.
  • Page 10 XPA200-7984-I-OPT1, X-Band SSPA Preface Manual Revision Numbering Scheme The following table identifies the revision numbering scheme utilized for the COMTECH Operation and Maintenance Manuals, Addenda and Supplements: Part Number Description XPA200-7984-I- 2nd edition of the Manual. OPT1, REV.2 Reporting Comments or Suggestions Concerning This Manual Comments and suggestions regarding the contents and design of this manual will be appreciated.
  • Page 11 XPA200-7984-I-OPT1, X-Band SSPA Preface will explode if the battery is incorrectly replaced. Replace only with the same or equivalent type battery recommended by the manufacturer. Dispose of used batteries according to the Lithium battery manufacturer’s instructions. Returning a Product The following information applies to a COMTECH equipment product being returned for repair or replacement service: NOTE: An item is considered “out-of-Warranty”...
  • Page 12 Preface Ship the product, prepaid, to COMTECH. Provide the following address on the shipping label, with the RMA number clearly marked on the label and the shipping container: COMTECH EF Data Corp. 2114 W. 7 Street Tempe, Arizona 85281 U.S.A.
  • Page 13 XPA200-7984-I-OPT1, X-Band SSPA Table of Contents Table of Contents Section Description Page No. Introduction Scope Functional Description Specifications Prime Power Input Physical Dimensions Environmental specifications Front Panel Controls Front Panel Indicators Front Panel Display 1.10 Front Panel Test Point Samples 1.11 Rear Panel Connections 1.12...
  • Page 14 XPA200-7984-I-OPT1, X-Band SSPA Table of Contents Section Description Page No. Redundant System Operation General Remote Control General Electrical Interface 5.2.1 RS-232C 5.2.2 RS-485 Physical Interface 5.3.1 Connector 5.3.2 Pin-Out 5.3.3 Cables Protocol 5.4.1 Transmission Mode 5.4.2 Baud Rate 5.4.3 Format 5.4.4 Character Set 5.4.5...
  • Page 15 XPA200-7984-I-OPT1, X-Band SSPA Table of Contents Section Description Page No. Error Processing 5-18 5.9.1 General Errors 5-18 5.9.2 Configuration Errors 5-18 5.9.3 Time Outs 5-18 Remote Command Summary Sheet 5-19 Maintenance and Troubleshooting General Maintenance Testing 6.2.1 Test Point Samples Troubleshooting 6.3.1 SSPA Faults...

  • Page 17: Introduction

    XPA200-7984-I-OPT1, X-Band SSPA Introduction Section 1 Introduction Scope This manual provides instructions on the installation, operation and maintenance of the XPA200-7984-I X-Band Solid State High Power Amplifier manufactured by COMTECH COMMUNICATIONS Corp. Functional Description The XPA200-7984-I X-Band High Power Amplifier (SSPA) is designed for use in communication systems, or in satellite up- link data systems.

  • Page 18: Monitor & Control

    XPA200-7984-I-OPT1, X-Band SSPA Introduction Prime PS #1 10Vdc PS #2 10Vdc Power Input -5Vdc Interlock PS # 2 28Vdc FAN1 AUX. PS & SWITCH CONTROL AS/0206 FAN2 +12V -12V CONTROL & MONITOR MONITOR & CONTROL +10Vdc AS/0200 RF INPUT RF OUTPUT POWER AMPLIFIER AS/0558...

  • Page 19: Environmental Specifications

    XPA200-7984-I-OPT1, X-Band SSPA Introduction Specifications The following are the design, operating and environmental specifications for the XPA200-7984-I X-Band Solid State High Power Amplifier (SSPA). Output Front Panel Frequency 7.900-8.400 GHz Display 24 x 2 LCD Power 53.0dBm min. @ 1dB Comp. Data Entry Cursor Control Keypad (see Note 1)
  • Page 20 XPA200-7984-I-OPT1, X-Band SSPA Introduction Prime Power Input The power input requirements for the XPA200-7984-I X-Band SSPA are as follows: 115 volts AC. 47 to 63 Hz. 2600 VA (approx. 1800W) nominal Physical Dimensions Width: 19 inches. Height: 12.25 inches. Depth: 24 inches.
  • Page 21 XPA200-7984-I-OPT1, X-Band SSPA Introduction 1.7 Front Panel Controls (Continued) The key-pad has six keys: Enter, Clear, Right Arrow, Left Arrow, Up Arrow and Down Arrow. Each key has a logical function: Enter Key: (ENT) Used to select a display function, or to execute a command to change the configuration of the SSPA.
  • Page 22 XPA200-7984-I-OPT1, X-Band SSPA Introduction 1.8 Front Panel Indicators (continued) Faults: Fault (Red): Indicates that a fault condition exists when the LED light is on. Stored Fault (Red): Indicates that the fault has been logged and stored When the LED light is on. The fault may, or may not, be active.
  • Page 23 XPA200-7984-I-OPT1, X-Band SSPA Introduction Front Panel Display The front panel display is a two line by twenty-four character, LCD display. Each configuration function, or operating mode, is shown on the display when the operator enters a command into the key-pad on the front panel. 1.10 Front Panel Test Point Samples Two test point connections are located on the front panel...
  • Page 24 XPA200-7984-I-OPT1, X-Band SSPA Introduction 1.11.1 RS-485/RS-232C Interface (COM1), Connector J6 The RS-485/RS-232C Interface connector, J6, is a 9 pin "D" type DB9F connector socket. The pin-out specifications are contained in Table 1-1. The mating connector is a DB9M. Table 1-1. J6, COM1 connector Pin-Out Pin # RS-232C...
  • Page 25 XPA200-7984-I-OPT1, X-Band SSPA Introduction 1.11.2 Customer Discrete Control, Connector J4 The Customer Discrete Control connector, J4, is a 19 pin circular connector, type MS3112E14-19S. The pin-out specifications is contained in Table 1-2. The mating connector is a MS3116F14-19P. Table 1-2. J4, Customer Discrete Control Connector Pin-Out Signal Name Description...
  • Page 26 XPA200-7984-I-OPT1, X-Band SSPA Introduction 1.11.3 Combiner Interface, Connector J5 The Redundant Loop interface connector, J5, is a 19 pin circular connector, type MS3112E14-19S. The pin-out specifications is contained in Table 1-3 The mating connector is a MS3116F14-19P. Table 1-3. J5, Combiner Interface Connector Pin-Out Pin # Description Pin #...

  • Page 27: Prime Power Switch

    XPA200-7984-I-OPT1, X-Band SSPA Introduction 1.11.4 AC Prime Power Input Connector, J3 The AC prime power input connector, J3, is a 3 pin circular connector, type CA3102E20-19PB FMLB A. The ground connector, pin A, is of the first make, last break type. The pin-out specifications are contained in Table 1-4.
  • Page 29 XPA200-7984-I-OPT1, X-Band SSPA Installation Section 2 Installation/Operation with Mitec 2723B Variable Phase Combiner and Redundant Switching System Unpacking and Inspection This section is intended to give a brief explanation on how to setup and operate two Comtech XPA200 SSPAs with the Mitec 2723B Variable Phase Combiner and Redundant Switching System.
  • Page 30 XPA200-7984-I-OPT1, X-Band SSPA Installation exhausted out the rear panel. Locate the unit so the input and output airflow paths are not obstructed or restricted. This will minimize the amplifier operating temperature, and provide years of reliable operation. If the SSPA is to be mounted on slides, the slides must be the COMTECH rack slides provided with the SSPA.
  • Page 31 XPA200-7984-I-OPT1, X-Band SSPA Installation 2.2.3 Some Notes on Establishing Remote Communications The Mitec 2723B combiner was set at the Comtech factory to RS-232 operation per customer request, on address 00 (30H) through P4. However, the Mitec 2723B has a non-standard pin- out on this I/O connector.
  • Page 32 XPA200-7984-I-OPT1, X-Band SSPA Installation 2.3 Notes on Combined/Redundant System Operation and Setup The following paragraphs are intended to give a brief explanation of system operation of the Comtech XPA200 SSPAs with the Mitec 2723 Variable Phase Combining and Redundant Switching System. More detailed information can be found in each unit’s respective operating manual.
  • Page 33 XPA200-7984-I-OPT1, X-Band SSPA Installation 2.3.1 Redundant Operation and Setup The system can operate in a standard 1:1 redundant configuration by choosing VPC position 1 (SSPA A to antenna) or 3 (SSPA B to antenna) on the Mitec 2723B. For example, if the Mitec 2723B was set to run in Automatic mode and SSPA A was normally operating to the antenna (VPC position 1), a fault on SSPA A would cause the system to immediately switch to postion 3, or SSPA B to...
  • Page 34 XPA200-7984-I-OPT1, X-Band SSPA Installation 2.3.2 Combined (SSPA A and SSPA B) Operation and Setup The full powers of SSPAs A and B can be phase combined for increased system power output. Maximum output is obtained only if the signals of SSPA A and B have equal or close carrier magnitude and frequency, and the relative phase between them is adjusted.

  • Page 37: System Operation

    XPA200-7984-I-OPT1, X-Band SSPA System Operation Section 3 System Operation General This section contains instructions for operating the solid state high power amplifier (SSPA). The front panel of the SSPA has a key- pad for operator input commands, an LCD Display, LED status indicators, and connector test sample ports to monitor the RF input and output signals.
  • Page 38 XPA200-7984-I-OPT1, X-Band SSPA System Operation Table 3-1. Operating Functions - Front Panel Item Functional Description Reference Designation Key-Pad; Enters commands into the ENT key converter. Key-Pad; Clears commands and data selected CLR key and not entered. Key-Pad; Selects functions and the menu Right Arrow Right Arrow key operating data.
  • Page 39 XPA200-7984-I-OPT1, X-Band SSPA System Operation Operation Local operation of the 200 watt, X-Band SSPA is controlled by operator input commands initiated through the six button key-pad on the front panel. The key-pad is the local operator's interface to control, configure and monitor the status of the SSPA. Operator inputs and commands entered into the key-pad are displayed by the front panel twenty-four character, two line, LCD display.
  • Page 40 XPA200-7984-I-OPT1, X-Band SSPA System Operation (See Para. 3.3.2) ------ SELECT ------ CONFIGURATION MENU DOWN ENTER ATTENUATION - =-10.00 -dB-- AMPLIFIER=-ON--MUTE=-OFF (See Para. 3.3.2.1) - ENTRY MODE -= REMOTE - ------------------------ (See Para. 3.3.2.2) FAULT RECOVERY:MANUAL --------------------- (See Para. 3.3.2.3) LEGEND ENTER RIGHT KEY-PAD...
  • Page 41 XPA200-7984-I-OPT1, X-Band SSPA System Operation (See Para. 3.3.3) ---------SELECT--------- --MONITOR-STATUS-MENU--- -RF-FET----Q3-=-X.X-AMPS DOWN -RF-FET----Q4-=-X.X-AMPS ENTER -RF-FET----Q5-=-X.X-AMPS +12V=+12.2-----12V=-12.0 -RF-FET----Q6-=-X.X-AMPS --VCC=4.9------5V=-4.9-- ----28-VDC-PS-=-27.9---- -RF-FET----QX-=-X.X-AMPS 10VPS1=10.3 10VPS2=10.3 -RF-FET----QX-=-X.X-AMPS --AMPLIFIER-TEMP=+44C--- -RF-FET----Q18=-X.X-AMPS -RF-FET----Q19=-X.X-AMPS ------------------------ FORWARD-RF-PWR:- 53.0-DBM LEGEND REVERSE-RF-PWR:-<26.2-DBM ENTER RIGHT KEY-PAD DOWN LEFT --RF-FET----Q1-=-XXXmA-- --RF-FET----Q2-=-XXXmA-- ------------------------ DISPLAY ------------------------ Figure 3-3.
  • Page 42 XPA200-7984-I-OPT1, X-Band SSPA System Operation (See Para. 3.3.4) ---------SELECT--------- --CURRENT-FAULTS-MENU--- DOWN ENTER POWER-FAULTS:----+12V=OK -12V=OK--VCC=OK---5V=OK- (See Para. 3.3.4.1) -----28-VDC-PS-=-OK----- --10VPS1=OK--10VPS2=OK-- (See Para. 3.3.4.1) ---AMPLIFIER-TEMP-=-OK-- LEGEND -FAN-1-=-OK--FAN-2-=-OK- ENTER RIGHT (See Para. 3.3.4.2, Para. 3.3.4.3) KEY-PAD DOWN LEFT --M&C-PROCESSORS-=-OK--- ------------------------ DISPLAY ------------------------ ------------------------ (See Para.
  • Page 43 XPA200-7984-I-OPT1, X-Band SSPA System Operation ( S e e P a r a . 3 . 3 . 5 ) - - - - - - - - -S E L E C T - - - - - - - - - - - - S T O R E D - F A U L T S - M E N U - - - D O W N E N T E R...
  • Page 44 XPA200-7984-I-OPT1, X-Band SSPA System Operation (See Para. 3.3.6) ---------SELECT--------- --UTILITY-FUNCTIONS-MENU--- DOWN ENTER FORWARD -RF-POWER-MONITOR ----OFFSET-=-+0.0dBm---- ----TIME:- 10:20:05AM---- -----DATE--09/15/94------ REVERSE-RF-POWER-MONITOR ----OFFSET-=-+0.0dBm---- ---SERIAL-MODE=RS232C--- --------LAMP-TEST------- ADDR=XXX-BAUD=YYYY-P=ZZ- ----------OFF----------- SERIAL-PORT-DATA-FORMAT= LEGEND -7-DATA,-2-STOP,-PARITY- RIGHT ENTER KEY-PAD DOWN LEFT -DISPLAY-CONTRAST-=XX-- ------------------------ DISPLAY DISPLAY-BRIGHTNESS-=-XX- ------------------------ Figure 3-6. Utility Functions Menu Commands XPA200-7984-I-OPT1, Rev.2...

  • Page 45: Select Configuration Menu

    XPA200-7984-I-OPT1, X-Band SSPA System Operation 3.3.1 SSPA commands The SSPA commands are in a tree structured menu format designed for access and execution of all control functions, and to prevent the execution of an invalid entry by the operator. When the prime power is turned on, the LCD display will contain a message indicating the SSPA model number and the version number of the firmware installed in the SSPA.
  • Page 46 XPA200-7984-I-OPT1, X-Band SSPA System Operation 3.3.1 SSPA Commands (cont.) When an operating mode is selected, a parameter or a digit within the parameter will be flashing on the LCD display. the "RIGHT" and "LEFT" arrows buttons to sequence through the parameters or digits to select the next parameter or digit.
  • Page 47 XPA200-7984-I-OPT1, X-Band SSPA System Operation 3.3.2.2 Entry Mode Mode: The entry mode is Local or Remote. The default is Local. 3.3.2.3 Fault Recovery: Fault Recovery is Manual or Auto. default is Auto. 3.3.3 Monitor Status Menu Monitors and displays the status of: All SSPA power supplies.
  • Page 48 XPA200-7984-I-OPT1, X-Band SSPA System Operation 3.3.4.2 SSPA Over Temperature Fault Displays a SSPA temperature fault condition. 3.3.4.3 Fan Faults Displays status of both FAN #1 and FAN #2. 3.3.5 Stored Faults Menu The SSPA displays a total of one hundred (100) faults which a date and time stamped and stored in memory as they occur.
  • Page 49 XPA200-7984-I-OPT1, X-Band SSPA System Operation 3.3.6 Utility Menu The local operator can input commands to the following Utility Functions which are displayed on the LCD display: TIME. Military time is used in hours, minutes and seconds. DATE. The date is displayed in month, day and year. Serial MODE (communications link).

  • Page 51: Redundant System Operation

    XPA200-7984-I-OPT1, X-Band SSPA Redundant System Operation Section 4 Redundant System Operation GENERAL This option or application uses a Mitec variable phase combiner for redundany use which is totally different than the standard Comtech Communications redundancy operating features. Section 2 contains the specialized redundancy system features for this option.

  • Page 53: Remote Control

    XPA200-7984-I-OPT1, X-Band SSPA Remote Control Chapter 5 Remote Control GENERAL Each COMTECH X-Band SSPA can be remotely controlled through a serial port. COMTECH’s simplified Command/Response protocol is easily invoked by either a monitor and control computer, a non- intelligent ASCII terminal or a laptop computer operating in terminal emulation mode.
  • Page 54 XPA200-7984-I-OPT1, X-Band SSPA Remote Control 5.3.1 Connector The remote control port is a female DB-9 connector located on the rear of the SSPA. 5.3.2 Pin-out 5.3.2.1 RS-232C NAME FUNCTION SSPA Transmit Data SSPA Receive Data Ground Unit Ready. Always high. Request to Send.

  • Page 55: Name Function

    XPA200-7984-I-OPT1, X-Band SSPA Remote Control 5.3.2.2.1 RS-485 2-wire The pinout for the 2-wire interface is provided below. Note that each signal pair (+RX/TX and -RX/TX) is provided on two pins. This is done to provide customers who are using ‘solder- cup’...
  • Page 56 XPA200-7984-I-OPT1, X-Band SSPA Remote Control 5.3.3.2 RS-485 RS-485 cabling can be implemented with a single ribbon cable using ‘IDC Mass Terminated’ style connectors or with discrete wires using ‘solder-cup’ style connectors. A sufficient length of ribbon cable must be allowed to reach the system monitor and control computer.

  • Page 57: Access Methods

    XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control 5.4.5 Response Timeout A minimum of 500 milliseconds should be provided before declaring a ‘no reponse’ instance, at which time the command should be re-transmitted. 5.4.6 Bus Inactivity Requirement COMTECH recommends that a minimum of 50 milliseconds bus inactivity be provided by the user between the receipt of a response from an addressed SSPA and issuing the next command on the serial bus.

  • Page 58: Confirmation Response

    XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control Message Structure The structure of either a Command , Response or Error Message is as follows: Start Character Device Address Command or Response End of Message String 5.7.1 Start Character The Start Character begins each message: Example: <...
  • Page 59 XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control to the Command. Example: >DEV/COM_xxx'cr''lf'] 5.7.5 Error Response If a SSPA cannot execute a Command or detects a protocol violation, an error response is generated. An error is flagged by changing the "/" command designator in the response to a "?". Following the "?"...
  • Page 60 XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control COMMAND/RESPONSE PAIRS 5.8.1 Utility Commands 5.8.1.1 Time Set Time: <DEV/TIM_hh:mm:ss'cr' hh = Hour* Confirmation: >DEV/TIM_hh:mm:ss'cr''lf'] mm = Minutes ss = Seconds Retrieve Time: <DEV/TIM_'cr' Confirmation: >DEV/TIM_hh:mm:ss'cr''lf'] * Note: 24 hour military time is used. 5.8.1.2 Date Set Date:...
  • Page 61 XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control 5.8.1.5 Parity Bit The default parity is even. Set Parity Bit: <DEV/SPB_xxxx'cr' xxxx = ODD Confirmation: >DEV/SPB_xxxx'cr''lf'] or EVEN Retrieve Parity Bit: <DEV/SPB_'cr' Confirmation: >DEV/SPB_xxxx'cr''lf'] 5.8.1.6 LCD Contrast The default is 15. Set Contrast: <DEV/CON_xx'cr' xx = 0 to 30 Confirmation:...
  • Page 62 XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control 5.8.1.9 Equipment Type Equipment Type is a command that retrieves the model number and software version of the equipment. The information cannot be changed by command. Retrieve Equipment Type: <DEV/RET_'cr' Confirmation: >DEV/RET_xxxxxxx yyyyy'cr''lf'] xxxxxxx = Model Number yyyyy = Software Version Example:...
  • Page 63 XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control 5.8.2 Configuration Commands 5.8.2.1 Amplifier ON/OFF The XPA200-7984-I provides the user direct control of the 10 VDC supply voltage to the solid state RF power FETs. This feature provides the ability to put the SSPA into a low power consumption mode when the unit is offline.
  • Page 64 XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control Set Fault Recovery: <DEV/AFR_xxx'cr' xxx = ON or 0FF Confirmation: >DEV/AFR_xxx'cr''lf'] Retrieve Status: <DEV/AFR_'cr' Confirmation: >DEV/AFR_xxx'cr''lf'] 5.8.3 Status Commands Status commands retrieve configuration, maintenance and alarm status in summary form. 5.8.3.1 Configuration Status Configuration Status: <DEV/RCS_'cr' Confirmation:...
  • Page 65 XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control 5.8.3.3 FET Status FET Status: <DEV/RFS_'cr' Confirmation: >DEV/RFS_'cr' FET1_xxx'cr' FET1 current in milliamps FET2_x.x'cr' FET2 current in amps FET3_x.x'cr' FET3 current in amps FET4_x.x'cr' FET4 current in amps FET5_x.x'cr' FET5 current in amps FET6_x.x'cr' FET6 current in amps FET7_x.x'cr'...
  • Page 66 XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control 5.8.3.5 Alarm Status Alarm Status: <DEV/RAS_'cr' Confirmation: >DEV/RAS_'cr' +28_xx'cr' +28 VDC Fault +12_xx'cr' +12 VDC Fault -12_xx'cr' -12 VDC Fault +5_xx'cr' +5 VDC Fault -5_xx'cr' -5 VDC Fault +10_1_xx'cr' +10 PS#1 Fault +10_2_xx'cr' +10 PS#2 Fault TEMP_xx'cr' Temperature Fault...
  • Page 67 XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control 5.8.3.8 Packed Configuration Status Configuration Status: <DEV/PACRCS_'cr' Confirmation: >DEV/PACRCS_aabcdeefg'cr''lf'] where: aa = # of 0.25 dB steps in HEX above 0dB (0to120) b = 1 if Amplifier ON, 0 if OFF c = 1 if Tx ON, 0 if OFF d = 1 if unit ONLINE, 0 if OFFLINE ee = SSPA number = BU,01 or 02 (if e = 0, ff = 00) f = A if Auto Mode, M if Manual Mode...
  • Page 68 XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control hh = FET8 current in Hex, scaled 100mA per count ii = FET9 current in Hex, scaled 100mA per count jj = FET10 current in Hex, scaled 100mA per count kk = FET11 current in Hex, scaled 100mA per count ll = FET12 current in Hex, scaled 100mA per count mm = FET13 current in Hex, scaled 100mA per count nn = FET14 current in Hex, scaled 100mA per count...

  • Page 69: Error Processing

    XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control 5.8.4 Stored Alarm The 100 alarms are date/time stamped and stored in memory as they occur. The alarm entry is also updated with its date/time of clearance. The entry remains in memory until it is removed by command.
  • Page 70 XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control >DEV?COM CU COMMAND UNRECOGNIZED'cr''lf'] >DEV?COM IP INVALID PARAMETER'cr''lf'] >DEV?COM PE PARITY ERROR'cr''lf'] 5.9.2 Configuration Errors The following Error Responses may be generated by configuration commands: >DEV?COM LO DEVICE IN LOCAL MODE'cr''lf'] 5.9.3 Time-Outs A time-out should be assumed if there is no response in 1.0 seconds.
  • Page 71 XPA200-7984-I-OPT1, X-Band SSPA Remote Control Remote Control XPA200-7984-I-OPT1 Remote Command Summary Utility Commands Paragraph Set Time <DEV/TIM_hh:mm:ss’cr’ 5.8.1.1 Set Date <DEV/DAT_mm/dd/yy’cr’ 5.8.1.2 Set Physical Address <DEV/SPA_xxx’cr’ 5.8.1.3 Set Baud Rate <DEV/SBR_xxxx’cr’ 5.8.1.4 Set Parity Rate <DEV/SPB_xxxx’cr’ 5.8.1.5 Set LCD Contrast <DEV/CON_xx’cr’...

  • Page 73: Maintenance And Troubleshooting

    XPA200-7984-I-OPT1, X-Band SSPA Maintenance and Troubleshooting SECTION 6 Maintenance and Troubleshooting General This section is intended to provide procedures to assist operator and maintenance personnel in the checkout, maintenance and troubleshooting of the SSPA. COMTECH recommends that spare replacement SSPA’s be used to replace SSPA’S removed from the system for maintenance.
  • Page 74 XPA200-7984-I-OPT1, X-Band SSPA Maintenance and Troubleshooting Maintenance and Troubleshooting Maintenance Testing Use the instructions in Section 2.0 for installing the SSPA for checkout, and the procedures in Section 3.0, System Operation, for operating the SSPA. The SSPA is a X-Band SSPA with an RF output level of +53.0 minimum dBm at 1 dB compression.
  • Page 75 XPA200-7984-I-OPT1, X-Band SSPA Maintenance and Troubleshooting Maintenance and Troubleshooting 6.3.1.1 Prime Power Check the circuit breaker on the rear panel. The required prime power is 115 VAC, at typically 2600 VA (approx 1800W). 6.3.1.2 DC Power Supply Modules Power Supply, +10 VDC: A fault ("FT") indicates a voltage level exceeding +/- 10% of the power supply voltage.

  • Page 76: Sspa Over Temperature Fault

    XPA200-7984-I-OPT1, X-Band SSPA Maintenance and Troubleshooting Maintenance and Troubleshooting +5 VDC: A fault ("FT") indicates a voltage level exceeding +/- 10% of the power supply voltage. Check the output of the +12 VDC Power Supply Module, check for other module faults, and check all connections.
  • Page 77 XPA200-7984-I-OPT1, X-Band SSPA Maintenance and Troubleshooting Maintenance and Troubleshooting secure. If the fault still exists, remove the SSPA and return it to COMTECH for repair. Loss of Serial Communication Interface: If there is also a DC power supply fault, first check the DC power supply.
  • Page 78 Ship the SSPA, prepaid, to COMTECH. Provide the following address on the shipping label, with the RMA number clearly marked on the label and the shipping container: COMTECH EF Data Corp. 2114 W. 7 Street Tempe, Arizona 85281 U.S.A.

  • Page 79: Additional Troubleshooting Information

    XPA200-7984-I-OPT1, X-Band SSPA Addendum Addendum General This addendum section contains additional items as listed below: Additional Troubleshooting helps (Table 7.1) Wiring diagram. Top level parts list. 7.2 Additional Troubleshooting Information. Table 7.1 Additional Troubleshooting Help SYMPTOM SOLUTIONS POSSIBLE CAUSES Unit does not turn on Power cord not plugged in.
  • Page 80 XPA200-7984-I-OPT1, X-Band SSPA Addendum SYMPTOM SOLUTIONS POSSIBLE CAUSES connections. connections at P4 and P5 are not loose. Also check the cable connection at the fans. There should be approximately 24Vdc between the two pins at the fan. Check cable for continuity.
  • Page 81 XPA200-7984-I-OPT1, X-Band SSPA Addendum SYMPTOM SOLUTIONS POSSIBLE CAUSES “AMPLIFIER = OFF” feature allows for lower current draw activated. from the prime power source under standby conditions. obtain RF output, ensure that this feature is set to “AMPLIFIER = ON”. Large customer attenuation Check the “ATTENUATION = XX”...
  • Page 82 XPA200-7984-I-OPT1, X-Band SSPA Addendum SYMPTOM SOLUTIONS POSSIBLE CAUSES settings between SSPA and with remote control terminal controlling terminal. software. Entry mode of unit set to Change entry mode setting in “LOCAL”. “CONFIGURATION” menu to “REMOTE”. Amplifier Temperature Note: The SSPA module fault contains an internal temperature monitor that will...
  • Page 83 XPA200-7984-I-OPT1, X-Band SSPA Addendum SYMPTOM SOLUTIONS POSSIBLE CAUSES 10V Power Supply Faulty wire or connection. Check cable and connection Fault (PS1 or PS2) from both PS1 and PS2 to amplifier module. On outside of module, measure voltage. Expected voltage = 10 +/- .5Vdc.
  • Page 84 7.3 WIRING DIAGRAM (next page).
  • Page 87 XPA200-7984-I, X-Band SSPA Addendum 7.4 PARTS LIST (next pages) XPA200-7984-I-0PT1, Rev.2...

  • Page 95: Metric Conversions

    METRIC CONVERSIONS Units of Length Unit Centimeter Inch Foot Yard Mile Meter Kilometer Millimeter 1 centimeter — 0.3937 0.03281 0.01094 6.214 x 10 0.01 — — 1 inch 2.540 — 0.08333 0.2778 1.578 x 10 0.254 — 25.4 1 foot 30.480 12.0 —...
  • Page 96 2114 85281 WEST TH STREET TEMPE ARIZONA 480 • 333 • 2200 PHONE 480 • 333 • 2161...

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