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DLS 6700 Operating Manual

Page 11-4

7104000557

Spirent Communications

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Содержание DLS 6700

Страница 1: ...P N 7104000557 User Guide DLS 6700 Operating Manual Version 1 02 Nov 2004...

Страница 2: ...anada K2V 1C7 Support Contacts Canada E mail ae service spirentcom com Web http ae spirentcom com Toll Free 1 800 465 1796 Phone 1 613 592 7301 Fax 1 613 592 0522 Europe E mail support europe spirentc...

Страница 3: ...6700 Software 3 1 3 1 1 Installation 3 1 3 1 2 Starting the DLS 6700 Software 3 1 3 2 Communications Interface Selection 3 2 3 2 1 Identify Chassis 3 2 3 2 2 Start Online 3 2 3 2 3 Start Offline 3 2 3...

Страница 4: ...ents 10 2 11 SAFETY 11 1 11 1 Information 11 1 11 1 1 Protective Isolation 11 1 11 1 2 Before Operating the Unit 11 1 11 1 3 Power Supply Requirements 11 1 11 1 4 Fuse Configuration 11 1 11 1 5 Connec...

Страница 5: ...ireline Simulator The DLS 6700 ADSL2 Wireline Simulator simulates 26 AWG cable for ADSL2 ADSL2 ADSL2 ADSL production and verification testing It has a reach of up to 24 kft in 1 000 ft increments and...

Страница 6: ...nfiguration software that ships with the DLS 6700 provides you with full control over the characteristics of each DLS 6700 simulated loop We recommend that you develop your own scripts based on the ty...

Страница 7: ...cess multiplexer DSLAM equipment to one of the Output ports at the back of the DLS 6700 4 Connect customer premise equipment CPE equipment to the corresponding Input port at the back of the DLS 6700 5...

Страница 8: ...nel 2 4 1 Reading Remote and Power Status The POWER LED turns green when the power is turned on The power LED blinks red if it fails its self test or solid red if it detects an internal error The REMO...

Страница 9: ...n AC power supply appropriate for your specific country Please see Chap ter 10 SPECIFICATIONS for more details The power LED will turn on when the power is connected WARNING Before operating the unit...

Страница 10: ...software You can use the included Spirent Communications s GUI to configure the DLS 6700 or you can develop your own custom configuration software using the DLS 6700 com mand set This command set is c...

Страница 11: ...compatible computer 3 1 1 Installation To install the software run SETUP EXE from the installation CD if it does not start au tomatically when the CD is inserted The user is prompted to specify the d...

Страница 12: ...tion button will appear and all the other buttons will be disabled until the Stop Iden tification button is clicked 3 2 2 Start Online Once the correct COM Port is selected click Start Online to use...

Страница 13: ...ping feature is a convenient way to set many lines at once Select the lines to be modified and then apply a length to the grouped lines Figure 3 2 DLS 6700 Main Editing Grid To specify which lines are...

Страница 14: ...nes is pressed whereas the individual line length is applied as soon as the value is changed 3 4 Menu Selections 3 4 1 File Load Retrieves a previously stored file of DLS 6700 settings from disk Save...

Страница 15: ...OT use a null modem with a computer that has a standard COM port configured as a DTE The DLS 6700 stops transmitting data when the RTS line is low and restarts when the RTS line is high The DLS 6700 l...

Страница 16: ...mit ESR check if an error occurred 5 read the answer If not 0 an error has occurred See Event Status Register ESR Section for description of the error s 4 2 Data Formats The DLS 6700 adheres to the IE...

Страница 17: ...character ASCII LF decimal 10 hex 0A Messages from the 6700 are always terminated with a Line Feed character As defined in the SCPI specifications a Device Dependent Command may be sent in its short...

Страница 18: ...adjusted to between 1 kft and 24 000 kft in 1 000 ft increments For example to set the length of line 1 to 4 000 ft send SET CHAN LINE 1 4000 ft To set the length of all the lines to 4 000 ft send SE...

Страница 19: ...mmand will return the pacing method as a string For example if the pacing method is RTS CTS the returned message will be RTS CTS To simplify the setting of the serial interface we used a slightly modi...

Страница 20: ...lue between 0 and 255 representing the value of the Event Status Enable Register ESER is placed in the output queue The possible values are described in the ESE command section and in more detail in S...

Страница 21: ...ar the Service Request Enable Register and the Standard Event Status Register at power on If 1 or higher then all the enable registers are cleared at power on if 0 then all the enable registers are re...

Страница 22: ...the output queue The possible values are listed in the SRE command section STB Status Byte Query Type Status command Function The value of the Status Byte Register is put into the output queue Con tr...

Страница 23: ...record and report the system status the Status Byte Register STB and the Event Status Register ESR For both registers there are three basic commands one to read the register one to set the enabling b...

Страница 24: ...t to read an empty output queue or there was an output queue overflow maximum output queue capacity is 75 bytes bit 3 Device Dependent Error This error bit is set when the DLS 6700 receives a command...

Страница 25: ...leted Make sure that all the required enable bits are set When using OPC or OPC the program controlling the DLS 6700 can determine when the operation is completed by waiting for SRQ or by reading the...

Страница 26: ...DLS 6700 Operating Manual Page 4 12 7104000557 Spirent Communications...

Страница 27: ...ects an internal error it does a full system initialisation and turns the power LED orange If this happens consult the factory 3 The remote LED is off This is normal after both a power up and a reset...

Страница 28: ...DLS 6700 Operating Manual Page 5 2 7104000557 Spirent Communications...

Страница 29: ...nication Union Place des Nations CH1211 Geneva 20 Switzerland ITU T Draft Recommendation G 992 5 ADSL2plus specification International Tel ecommunication Union Place des Nations CH1211 Geneva 20 Switz...

Страница 30: ...DLS 6700 Operating Manual Page 6 2 7104000557 Spirent Communications...

Страница 31: ...sswords for the extranet can be requested at http ae spirentcom com Customer_care needlogin htm 7 2 Protecting Your Investment Spirent Communications is committed to providing the highest quality prod...

Страница 32: ...ormance Specific Spirent Communications products are shipped with a National Institute of Standards and Technology N I S T traceable calibration that expires one year from the original ship date With...

Страница 33: ...overed under this warranty the reg ular repair charges shall apply to any repairs made to the equipment For international customers please contact your local Spirent Communications sales representativ...

Страница 34: ...DLS 6700 Operating Manual Page 8 2 7104000557 Spirent Communications...

Страница 35: ...e unit It is highly recommended that all shipments are marked with labels indi cating that the contents are fragile If sending a unit back to the factory ensure that the Return Material Authorization...

Страница 36: ...DLS 6700 Operating Manual Page 9 2 7104000557 Spirent Communications...

Страница 37: ...ft increments Bandwidth DC to 4 5 MHz DC Rating 100 V Attenuation Insertion Loss MAE 1 dB 20 kHz 4 5 MHz Typically simulation vs theory Impedance 10 20 kHz 4 5 MHz Control Remote via RS 232 port Conn...

Страница 38: ...g Manual Page 10 2 7104000557 Spirent Communications 10 4 Carton Contents 1 DLS 6700 ADSL2 Wireline Simulator 2 AC to DC Wall Plug in Adapter 3 RS 232C Cable 4 Control Software for Windows 98 NT 2000...

Страница 39: ...12 V Note that the polarity of the DC Plug is The inner conductor is positive and the outer conductor is negative See symbols in the Safety section The maximum current taken is 400 mA 11 1 4 Fuse Conf...

Страница 40: ...ing the Unit Inspect the equipment for any signs of damage and read the Operating Manual thoroughly Install the equipment as specified in the relevant section of this manual Ensure that the equipment...

Страница 41: ...Communications 7104000557 Page 11 3 When any of these symbols appear on the unit this is their meaning EQUIPOTENTIALITY FUNCTIONAL EARTH TERMINAL PROTECTIVE GROUNDING CONDUCTOR TERMINAL CAUTION REFER...

Страница 42: ...DLS 6700 Operating Manual Page 11 4 7104000557 Spirent Communications...

Страница 43: ...st be 100 for 24AWG or 26AWG North Hills 0301BB or 135 Ohm for TP100 North Hills 0312BB in order to match the reference impedance indicated in the standards The center tap on the balanced side is usua...

Страница 44: ...ts and outputs separate The use of a high impedance measuring device with no load from tip to ring at the receive end This results in reflections due to a bad mismatch at the end of the line and leads...

Страница 45: ...kft Figure A3 3 DLS 6700 Attenuation at 16 kft 18 kft 20 kft and 24 kft Attenuation Characteristics 80 70 60 50 40 30 20 10 0 0 1 0 2 0 Frequency MHz Attenuation Theory Measured 8 kft 10 kft 12 kft 1...

Страница 46: ...DLS 6700 Operating Manual Page A 4 7104000557 Spirent Communications...

Страница 47: ...below F i g u r e 1 7 H P 4 3 9 Figure B 1 HP 4395A Noise Floor Figure B 1 demonstrates the Agilent 4395A spectrum network analyzer s Noise Floor over a Bandwidth of 0 30MHz The graph shows that for f...

Страница 48: ...DLS 6700 Operating Manual Page B 2 7104000557 Spirent Communications...

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