Tait TB8100 Installation And Operation Manual
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Tait TB8100 Installation And Operation Manual

Gps frequency reference
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See also: Service Manual , Operation & Installation Manual
TB8100 base station
TB9100 base station
T801-4 GPS Frequency Reference
Installation and Operation Manual
MBA-00033-01
Issue 1
September 2007

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  • Page 1 TB8100 base station TB9100 base station T801-4 GPS Frequency Reference Installation and Operation Manual MBA-00033-01 Issue 1 September 2007...

  • Page 2: Contact Information

    Limited. The European Union’s Waste Electrical and Electronic The word TAIT and the TAIT logo are trademarks of Equipment (WEEE) Directive requires that this product Tait Electronics Limited. be disposed of separately from the general waste stream All trade names referenced are the service mark, when its service life is over.

  • Page 3: Table Of Contents

    Setting the Links on the System Interface Board ......50 T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 4 Specifications ..........83 Tait General Software Licence Agreement ......87 Directive 1999/5/EC Declaration of Conformity .
  • Page 5 Chassis mounting points ......... 78 T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 6: Preface

    This alert is used to warn about the risk of equipment dam- age or malfunction. Note This alert is used to highlight information that is required to ensure procedures are performed correctly. T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 7: Associated Documentation

    Tait products, to provide technical details not included in manuals, and to offer solutions for any problems that arise. All available T801-4 product documentation is provided on the Product CD supplied with the unit. Updates may also be published on the Tait Technical Support website (www.taitworld.com/technical). Abbreviations...

  • Page 8: Publication Record

    A proprietary NMEA 0183 data message determined by the manufacturer of the GPS receiver. Transistor–Transistor Logic Coordinated Universal Time Voltage Controlled Oscillator Publication Record Issue Publication Date Description September 2007 first release T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 9: Description

    This chapter provides a brief functional and mechanical description of the T801-4 GPS frequency reference. It also provides detailed information on the controls and connections on the front and rear panels. T801-4 Installation and Operation Manual Description © Tait Electronics Limited September 2007...

  • Page 10: Functional Description

    Functional Description The T801-4 GPS frequency reference is an essential frequency reference for all TB8100 and TB9100 base station products when they are used in simulcast applications (for example, TaitNet QS ). It is based on the Dalman Satsync 7 module, which uses the Coordinated Universal Time (UTC) pulses derived from the US Global Positioning System (GPS) as an accurate and stable reference source.

  • Page 11: Figure 1.1 High Level Block Diagram

    Figure 1.1 High level block diagram T801-4 Installation and Operation Manual Description © Tait Electronics Limited September 2007...

  • Page 12: Mechanical Description

    Satsync 7 module fitted internal GPS receiver fitted T801-42-8000 two Satsync 7 modules fitted internal GPS receiver not fitted T801-42-8100 two Satsync 7 modules fitted internal GPS receiver fitted Description T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 13: Mechanical Assembly

    3V battery for optional internal GPS receiver (refer to “Back-up Battery” on page DC converter for Satsync 7 module 2 optional internal GPS receiver DC converter for Satsync 7 module 1 T801-4 Installation and Operation Manual Description © Tait Electronics Limited September 2007...

  • Page 14: Connections And Controls

    1. This is the same cable that is used for programming TB8100 and TB9100 base stations. Description T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 15 10 the 1PPS signal is invalid and the level of accuracy has not yet ■ reached a level of ±1 part in 10 (usually after initial power-up). T801-4 Installation and Operation Manual Description © Tait Electronics Limited September 2007...

  • Page 16: Rear Panel

    PORT B receiver selected RS-485 interface to external GPS receiver 1PPS valid LED PORT A 1PPS RS-485 interface to QS 1PPS TTL outputs PORT B DIP switches ground connector Description T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 17 ■ maximum coaxial cable length ■ These outputs can be used to supply TB8100 and TB9100 reference frequency inputs (input impedance >1kΩ). In this situation the recommended maximum number of daisy-chained loads for each frequency output connector is 8. Each daisy chain must end with a 50Ω termination.
  • Page 18 ■ an output indicating whether the 1PPS signal is valid. ■ The alarm lines can be connected to digital inputs on the TB8100 or TB9100 reciter system interface. Task Manager can be used to generate alarms from these inputs. The pin allocations for the I/O port are described in detail in the following table.
  • Page 19 = 30V; active = 0V = 1PPS valid; maximum sink current = 45mA output low level <0.4V for <6mA sink current external view T801-4 Installation and Operation Manual Description © Tait Electronics Limited September 2007...
  • Page 20 = 9V not connected TXD+ EXTNL A RS-485 data output output (not used) TXD– EXTNL A ground not connected not connected not connected external view Description T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 21 1PPS RS-485 output, the associated VALID signal (TTL steady state level) is not compatible with v3 firmware, which is designed for a pulsed VALID input. Refer to the RSU Service Manual for more information. T801-4 Installation and Operation Manual Description © Tait Electronics Limited September 2007...
  • Page 22 GPS receiver QS RSUs (refer to “T801-4 with Dual QS RSU Receivers” on page 65). h. The options provided by switch 6 are available only when switch 5 is on. Description T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 23 0.5mm / 20AWG / 17AWG stranded, twin ferrules with plastic sleeve DC input on rear panel connector – – external view – – viewed from cable-entry side T801-4 Installation and Operation Manual Description © Tait Electronics Limited September 2007...
  • Page 24 A threaded M5 chassis ground connector is provided on the rear panel. This Ground Connector stud allows the connection of a ground cable terminated with a “ring” terminal. Description T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 25: Figure 1.5 Connecting One 1Pps Ttl Output To Multiple Tb9100 Base Stations

    T801-4 - rear view TB9100 - rear view use short lengths of cable between each TB9100 1PPS TTL output maximum of six TB9100 loads on one 1PPS TTL output 50Ω termination T801-4 Installation and Operation Manual Description © Tait Electronics Limited September 2007...

  • Page 26: Back-Up Battery

    Grip the raised edge of the battery with long-nosed pliers and slide it out of the holder. Slide the new battery into the holder with the positive pole (+) facing Refit the top cover and reconnect the power. Description T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 27: Operation

    GPS fix acquisition time may vary ■ the different types of alarm that the T801-4 may generate ■ the availability of the T801-4 1PPS outputs with different GPS receivers. ■ T801-4 Installation and Operation Manual Operation © Tait Electronics Limited September 2007...

  • Page 28: System Start-Up And Shutdown

    If required, you can save the Satsync 7 configuration settings to a file using the ET software (refer to “Settings Menu” on page 41). Operation T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 29: Oscillator Control

    LED indicates that the MASTER OSCILLATOR accuracy is better than ±1 part in 10 . It does not neces- sarily mean that the oscillator has reached its specified max- imum accuracy. T801-4 Installation and Operation Manual Operation © Tait Electronics Limited September 2007...

  • Page 30: Invalid Gps Reference

    DAC correction value based on the contents of the seven day rolling table. It will continue to do this every seven days, or until GPS validity is restored. Operation T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 31: Gps Fix Acquisition Times

    60 minutes) hot start less than 20 seconds (receiver has been powered down for less than 60 minutes) Dalman 40742 cold start two to eight minutes T801-4 Installation and Operation Manual Operation © Tait Electronics Limited September 2007...

  • Page 32: Alarms

    RSU GPS receiver. It is important in this situation to monitor the correct alarms. This is covered in more detail in the relevant parts of “System Configuration” on page Operation T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 33: 1Pps Outputs

    RSU with version 3 and later firmware. With DIP switches 3 and 4 in the on position, the T801-4 1PPS outputs will not be disabled by GPS alarm(s) or RSU VALID alarms. Any 1PPS T801-4 Installation and Operation Manual Operation © Tait Electronics Limited September 2007...
  • Page 34 DIP switches 3 and 4 have no effect on the T801-4 1PPS outputs when the Dalman external GPS receiver is used. Operation T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 35: Programming

    LED status (alarm status) ■ GPS data. ■ Measurement data can be saved from the ET software to a log file. The standard Windows file save and open functions are supported. T801-4 Installation and Operation Manual Programming © Tait Electronics Limited September 2007...

  • Page 36: Installing The Software

    Power up the T801-4. Run the ET software. The following screen appears. Close the Connect dialog box. Select Options > COM Port and select the correct COM port. Programming T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 37 PPS and OSC LEDs are red. The information and functions available on this monitoring screen are explained in the following paragraphs. T801-4 Installation and Operation Manual Programming © Tait Electronics Limited September 2007...
  • Page 38 “PC06720xx.exe”, where xx is the two-digit version number. In practice the file name of the program stored on the ET computer can be changed to something more recognisable, such as “Satsync7.exe”. Programming T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 39: Setting Up The Satsync 7 Module

    1. If the T801-4 is using a 1PPS source without NMEA data (e.g. a QS RSU), CTCSS phase locking does not work. T801-4 Installation and Operation Manual Programming © Tait Electronics Limited September 2007...
  • Page 40 The 1PPS source is either the Trimble internal GPS receiver (when ■ fitted), or the Dalman external GPS receiver. You are using any other external 1PPS source and NMEA data is ■ provided. Programming T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 41 This file will have the “.sat” extension. Select Settings > Open to open a previously saved configuration file. Once this file is open, click Apply to program the settings into the Satsync 7 module. T801-4 Installation and Operation Manual Programming © Tait Electronics Limited September 2007...

  • Page 42: Viewing The Data Log

    An error of 1 indicates that the actual difference is between 0 and 1, an error of 2 indicates that the actual difference is between 1 and 2, etc. Programming T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 43 When the test period and the error are both 1, the MASTER OSCILLATOR LED goes green (the accuracy is better than ±1 part in 10 Example Log 2 T801-4 Installation and Operation Manual Programming © Tait Electronics Limited September 2007...

  • Page 44: Viewing The Gps Status

    The information available on this screen is explained in the following paragraphs. These parameters are displayed for information purposes only. They have Time, Date, Latitude, Longitude, no effect on the operation of the Satsync 7 module. Altitude Programming T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 45 You can only do this if a tracking fix has been established. Select Options > Log to view the elapsed time with and without a tracking fix. This is timed from the start of the current ET session. T801-4 Installation and Operation Manual Programming © Tait Electronics Limited September 2007...

  • Page 46: Upgrading The Satsync 7 Firmware

    Download the firmware .hex file to the same folder on your PC from the Tait Technical Support website (www.taitworld.com/technical). Using the supplied cable, connect a serial port on your PC to the appropriate programming port on the T801-4 front panel.
  • Page 47 Connect. If the Loader software connects successfully to the Satsync 7 module, the following screen appears. Click Load to load the firmware into the Loader software. The following screen appears. screen shot T801-4 Installation and Operation Manual Programming © Tait Electronics Limited September 2007...
  • Page 48 When the upload is complete, select Options > Disconnect to disconnect the Loader software from the Satsync 7 module. Power the T801-4 down then up again. Programming T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 49: System Configuration

    DIP switches on the rear panel ■ connecting the T801-4 to a GPS antenna and/or receiver ■ connecting the T801-4 to a QS ■ programming, monitoring and alarms. ■ T801-4 Installation and Operation Manual System Configuration © Tait Electronics Limited September 2007...

  • Page 50: Setting The Links On The System Interface Board

    DIP switch 1 from disabling fitted normal operation of DIP switch 1 the internal GPS receiver not fitted DIP switch 1 is prevented from disabling the internal GPS receiver System Configuration T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 51: Figure 4.1 Location Of Links On The System Interface Board

    Figure 4.1 Location of links on the system interface board W303 W304 W401 W400 W305 W301 W302 T801-4 Installation and Operation Manual System Configuration © Tait Electronics Limited September 2007...

  • Page 52: T801-4 With Internal Gps Receiver

    Leave both check boxes clear. If two Satsync 7 modules are fitted, set the same fault output delay for each module. Refer to “Setting Up the Satsync 7 Module” on page 39 for more information on programming. System Configuration T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 53 9V, and the line must be pulled to ground to indicate a valid 1PPS signal. The line is activated when released from ground. The input has no effect if a GPS alarm has already been activated. T801-4 Installation and Operation Manual System Configuration © Tait Electronics Limited September 2007...
  • Page 54 1PPS RS-485 output. Set DIP switch 4 off if you want to disable the 1PPS TTL output. LED on the rear panel will go off whenever this line is 1PPS VALID activated. System Configuration T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 55: T801-4 With External Gps Receiver

    This configuration uses a standard product with no internal GPS receiver, the T801-4x-8000. The external Dalman 40742 GPS antenna/receiver is available separately as Tait part number T801-40-0000, and comes complete with a 30m connection cable. Connect the external GPS receiver to...
  • Page 56 1PPS RS-485 output. Set DIP switch 4 off if you want to disable the 1PPS TTL output. LED on the rear panel will go off whenever this line is 1PPS VALID activated. System Configuration T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 57: T801-4 With Internal And External Gps Receivers

    This configuration uses a standard product, the T801-4x-8100, which is supplied with the Trimble Bullet III active antenna (also available separately as Tait part number 007-00021-00). The external Dalman 40742 GPS antenna/receiver is available separately as Tait part number T801-40-0000, and comes complete with a 30m connection cable.

  • Page 58: Figure 4.4 Connecting The T801-4 To A Gps Antenna And External Gps Receiver

    Leave both check boxes clear. If two Satsync 7 modules are fitted, set the same fault output delay for each module. Refer to “Setting Up the Satsync 7 Module” on page 39 for more information on programming. System Configuration T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 59 DIP switch 5 off, wait until the oscillator alarm has been released, then switch it back on. Note To avoid confusion, we recommend that you set DIP switch 5 on only after the alarms have been released. T801-4 Installation and Operation Manual System Configuration © Tait Electronics Limited September 2007...
  • Page 60 GPS receiver without powering down the unit. Once the failed GPS system has been restored, toggle DIP switch 2 to select whichever receiver is required to be primary. System Configuration T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 61: T801-4 With A Single Qs

    Figure 4.5 below. Figure 4.5 Connecting the T801-4 to a single QS RSU - rear view T801-4 - rear view direct one-to-one RJ45 cable T801-4 Installation and Operation Manual System Configuration © Tait Electronics Limited September 2007...
  • Page 62 1PPS outputs (as required). The VALID signal from the RSU is not available to the Satsync 7 modules. Refer to “Setting Up the Satsync 7 Module” on page 39 for more information on programming. System Configuration T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 63 RSU provides a pulsed VALID signal (1 pulse/10 seconds). Set DIP switch 8 on if you are using a QS RSU with firmware earlier than version 3. T801-4 Installation and Operation Manual System Configuration © Tait Electronics Limited September 2007...
  • Page 64 LED is red when this alarm is activated. 1PPS VALID OUT Activated (high) when the 1PPS signal becomes invalid. It also reflects the state of the applied RSU 1PPS VALID signal. System Configuration T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 65: T801-4 With Dual Qs 2 Rsu Receivers

    The changeover to a functional standby RSU receiver ensures continuity of supply of the 1PPS pulse to the T801-4, thus maintaining the accuracy of the TTL 1PPS outputs and Satsync 7 reference frequency outputs. T801-4 Installation and Operation Manual System Configuration © Tait Electronics Limited September 2007...

  • Page 66: Connection And Configuration

    Connecting the T801-4 to dual QS RSU receivers primary QS RSU with GPS receiver secondary QS RSU with GPS receiver T801-4 direct one-to-one RJ45 cable modules viewed from rear System Configuration T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 67 The VALID signals from the RSU are not available to the Satsync 7 modules. Refer to “Setting Up the Satsync 7 Module” on page 39 for more information on programming. T801-4 Installation and Operation Manual System Configuration © Tait Electronics Limited September 2007...
  • Page 68 RSU provides a pulsed VALID signal (1 pulse/10 seconds). Set DIP switch 8 on if you are using a QS RSU with firmware earlier than version 3. System Configuration T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 69: Alarms And Monitoring

    1PPS signal when they lose GPS tracking. This has implications for the Satsync 7 oscillator and GPS alarms when both 1PPS signals become invalid. T801-4 Installation and Operation Manual System Configuration © Tait Electronics Limited September 2007...
  • Page 70 VALID signal from primary RSU 1PPS_VALID2 active low, 3V logic VALID signal from secondary RSU DGND common digital ground return 1 2 3 4 5 6 7 8 external view System Configuration T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 71 = secondary RSU GPS receiver selected. ■ 1PPS VALID OUT Activated (high) when one or both 1PPS signals become invalid. It also reflects the state of the applied RSU 1PPS VALID signal. T801-4 Installation and Operation Manual System Configuration © Tait Electronics Limited September 2007...
  • Page 72 GPS receiver without powering down the unit. Once the failed GPS system has been restored, toggle DIP switch 2 to select whichever receiver is required to be primary. System Configuration T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 73: Installation

    Setting these links requires the removal of the top cover. Refer to “Setting the Links on the System Interface Board” on page 50 for more infor- mation. T801-4 Installation and Operation Manual Installation © Tait Electronics Limited September 2007...

  • Page 74: Personal Safety

    +70°C (+158°F). 5.1.4 LED Safety (EN60825-1) This equipment contains LEDs which are considered a CLASS 1 LED PRODUCT. Installation T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 75: Equipment Safety

    To ensure safe operation the T801-4 equipment must be correctly grounded as described in these installation instructions. 5.2.3 Installation and Servicing Personnel The T801-4 should be installed and serviced only by qualified personnel. T801-4 Installation and Operation Manual Installation © Tait Electronics Limited September 2007...

  • Page 76: Regulatory Information

    FCC rules. 5.3.2 Unauthorised Modifications Any modifications you make to this equipment which are not authorised by Tait Electronics Limited may invalidate your compliance authority’s approval to operate the equipment. 5.3.3 Health, Safety and Electromagnetic Compatibility in Europe...

  • Page 77: Environmental Conditions

    Because it is outside the scope of this manual to provide comprehensive information on this subject, we recommend that you conform to your country’s standards organisation or regulatory body. T801-4 Installation and Operation Manual Installation © Tait Electronics Limited September 2007...

  • Page 78: Recommended Tools

    However, the following tools are specifically required for installing the T801-4: Pozidriv PZ3 screwdriver for the M6 screws used to secure the chassis to ■ the cabinet in Tait factory-assembled systems Torx T10 screwdriver for the M3 Torx screws used to secure the top ■...

  • Page 79: Cabling

    (PORT A) using the 30m cable supplied with the receiver. If you need to use a longer cable, 15m extensions are available separately as Tait part number T801-40-0015. These can be joined together up to a maximum length of 105 m.

  • Page 80: Disposal Of Packaging

    The foam cushions are CFC- and HCFC-free and may be burnt in a suitable waste-to-energy combustion facility, or compacted in landfill. Installation T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 81: Accessories

    The table below lists the accessories supplied with, or available for, the T801-4 at the time this manual was published. Other items may become available at a later date. Consult your nearest Tait Dealer or Customer Service Organisation regarding the availability of specific items.
  • Page 82 Accessories T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 83: Specifications

    ETSI-EN specifications. You can obtain further details of test methods and the conditions which apply for compliance testing in all countries from Tait Electronics Limited. T801-4 Installation and Operation Manual Specifications © Tait Electronics Limited September 2007...
  • Page 84 DC Input Phoenix Contact FKC series Chassis Ground 5mm threaded stud Dimensions Height 43.5mm (1.7in) (1U nominal) Width Chassis 440mm (17.3in) Front Panel 482.6mm (19in) Length 303mm (11.9in) Specifications T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...
  • Page 85 Refer to “Ageing Correction Process” on page Crystal Ageing Characteristics First Year ±0.1ppm Later Years ±0.1ppm/year d. As specified by the manufacturer. e. After initial 30-day running time. T801-4 Installation and Operation Manual Specifications © Tait Electronics Limited September 2007...
  • Page 86 ETSI EN 301 489-1 V1.6.1 ETSI EN 301 489-5 V1.3.1 CFR 47 Part 15 (Class B digital device) Environmental Low Pressure (altitude) MIL-STD-810F 500.4 Proc 2 Humidity IEC60068-2-30 Specifications T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

  • Page 87: Tait General Software Licence Agreement

    MERGED INTO ANOTHER PROGRAM WILL AUTOMATICALLY AND WITHOUT NOTICE FROM CONTINUE TO BE SUBJECT TO THE TERMS AND TAIT IN THE EVENT THAT THE LICENSEE FAILS TO CONDITIONS OF THIS AGREEMENT COMPLY WITH ANY TERM OR CONDITION OF THE LICENSEE MAY NOT DUPLICATE...

  • Page 88: Limited Warranty

    THAT SUBJECT ONLY TO ANY EXPRESS WRITTEN OR OTHERWISE AT LAW FOR ANY LOSSES OR TERMS OF AGREEMENT TO THE CONTRARY DAMAGES WHETHER GENERAL SPECIAL BETWEEN TAIT AND THE LICENSEE THIS IS THE EXEMPLARY PUNITIVE DIRECT INDIRECT OR COMPLETE AND EXCLUSIVE STATEMENT OF THE...

  • Page 89: Directive 1999/5/Ec Declaration Of Conformity

    See also: http://eudocs.taitworld.com/ Veja também: http://eudocs.taitworld.com/ Español Svensk Por medio de la presente Tait Electronics Härmed intygar Tait Electronics Limited att Limited declara que el T801-4 cumple con los denna T801-4 står I överensstämmelse med de requisitos esenciales y cualesquiera otras väsentliga egenskapskrav och övriga relevanta...

  • Page 90: Chinese Rohs Compliance Information

    ( 焊接 ) 后面板接口 PCB X801-4x-K100 ( 焊接 ) DC 转换器 PCB 220-02167-xx ( 焊接 ) Satsync 7 PCB 706724 ( 焊接 ) O：表示此部件所有同类材料中包含的此种有毒或有害物质是在 SJ/T11363-2006 限量要求范围以内。 X：表示此部件所有同类材料中包含的此种有毒或有害物质超出 SJ/T11363-2006 限量要求范围。 T801-4 Installation and Operation Manual © Tait Electronics Limited September 2007...

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