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4-3

Operation

4.1

Panel Description

4.1.2

Rear Panel

10 GPIB/RS-232C setting switches

Specifies the GPIB address or RS-232C communication conditions, and switches

the interface (GPIB or RS-232C) to be used.

11 GPIB interface connector

GPIB interface to connect an external computer and execute remote control of the

MT9812B.

12 RS-232C interface connector

RS-232C interface to connect an external computer and execute remote control of

the MT9812B.

13 AC power source inlet

A connector for the AC power source input, with a built-in fuse.

3.9

Replacement of Fuse

14 Protective earth terminal

A terminal to connect the ground line to ground the MT9812B to ensure safety.

15 Remote interlock connector

A connector for laser safety. In the open status, no light will be output even when

the light output switch on the front panel of the light source is turned ON.

3.5

Connection of Remote Interlock Connector

16 Short plug

A plug to switch the remote interlock connector into the short-circuited status and

enable optical output.

3.5

Connection of Remote Interlock Connector

17 Optical output modifier key switch

A switch with a key for the purpose of laser safety. When the switch is set OFF,

no light will be output even when the light output switch on the front panel of the

light source is turned ON.

18 Fan

A cooling fan

19 Memory Back Up

A switch to select the previous parameters or the unit initial values at power on.

Содержание MT9812B

Страница 1: ...5AE 9 0 ANRITSU CORPORATION MT9812B Multi Channel Box Operation Manual For safety and warning information please read this manual before attempting to use the equipment Keep this manual with the equip...

Страница 2: ...and in Manual The following safety symbols are used inside or on the equipment near operation locations to provide information about safety items and operation precautions Ensure that you clearly und...

Страница 3: ...for measurement category I CAT I DO NOT use this instrument at locations specified as category II III or IV as defined below Measurement category I CAT I Secondary circuits of a device that is not di...

Страница 4: ...nd shock hazards should service this equipment There are high voltage parts in this equipment presenting a risk of severe injury or fatal electric shock to untrained personnel In addition there is a r...

Страница 5: ...the rear panel of the instrument There is a risk of fire if a fuse of a different rating is used T5A indicates a time lag fuse 2 Keep the power supply and cooling fan free of dust Clean the power inl...

Страница 6: ...anger of the laser radiation outlined below as defined by 21 CFR 1040 10 1995 Class I Class I levels of laser radiation are not considered to be hazardous Class IIa Class IIa levels of laser radiation...

Страница 7: ...UTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure The use of optical instruments with this product will inc...

Страница 8: ...2001 Model Name Class Max Optical Output Power mW Pulse Width s Repetition Rate Emitted Wavelength nm Laser Aperture MU954501A Class 1 10 CW 1550 Fig 1 1 MU952501A Class 1M 40 CW 1545 1553 Fig 1 1 MU9...

Страница 9: ...2503A Class IIIb 40 CW 1561 1564 Fig 1 1 MU952504A Class IIIb 40 CW 1537 1545 Fig 1 1 MU952505A Class IIIb 40 CW 1530 1537 Fig 1 1 MU952601A Class IIIb 40 CW 1564 1569 Fig 1 1 MU952602A Class IIIb 40...

Страница 10: ...1A 3 Explanation Fig 1 C MU952501A 02A 03A 04A 05A MU952601A 02A 03A 04A 05A 06A MU951301A MU951501A MU951001A 4 Certification Fig 1 D MT9810B MT9812B 5 Identification Fig 1 E MT9810B MT9812B 6 Warnin...

Страница 11: ...For Safety xi Laser Radiation Markings D E C A B G F 1...

Страница 12: ...ection or your nearest representative Note The battery used in this equipment has a maximum useful life of 7 years It should be replaced before this period has elapsed This instrument is designed for...

Страница 13: ...d modification or repair of the equipment by the customer The fault is due to severe usage clearly exceeding normal usage The fault is due to improper or insufficient maintenance by the customer The f...

Страница 14: ...product s country of origin for re export from your country Before re exporting the product or manuals please contact us to confirm whether they are export controlled items or not When you dispose of...

Страница 15: ...s with council directive 2002 96 EC the WEEE Directive in European Union For Products placed on the EU market after August 13 2005 please contact your local Anritsu representative at the end of the pr...

Страница 16: ...ndards EMC Emission EN 61326 1997 A1 1998 A2 2001 A3 2003 Class A Immunity EN 61326 1997 A1 1998 A2 2001 A3 2003 Annex A Performance Criteria IEC 61000 4 2 ESD B IEC 61000 4 3 EMF A IEC 61000 4 4 Burs...

Страница 17: ...xvii 4 Authorized representative Name Loic Metais European Quality Manager ANRITSU S A France Address city 16 18 Avenue du Qu bec SILIC 720 Zone de Courtaboeuf 91951 Les Ulis Cedex Country France...

Страница 18: ...wing product s in accordance with the regulation to indicate that they conform to the EMC framework of Australia New Zealand C tick marking 1 Product Model Model MT9812B Multi Channel Box 2 Applied St...

Страница 19: ...lines as requested by the customer when ordering Single fuse A fuse is inserted in one of the AC power lines Double fuse A fuse is inserted in each of the AC power lines Example 1 An example of the si...

Страница 20: ...xx...

Страница 21: ...d operations of MT9812B By connecting to an external computer this device can be remote controlled Section 5 describes the setting method and device messages of this device Indicator indicates item nu...

Страница 22: ...fore Use 3 1 3 1 Installation 3 2 3 2 Connecting the Power Cord 3 4 3 3 Mounting and Removal of Plug in Unit 3 5 3 4 Laser Safety 3 6 3 5 Connection of Remote Interlock Connector 3 7 3 6 Optical Outpu...

Страница 23: ...Queue Model 5 35 5 9 IEEE488 2 Common Commands 5 37 5 10 Status Commands 5 42 Section 6 Performance Test 6 1 6 1 Light Source Performance Test 6 2 6 2 Optical Sensor Performance Test 6 4 Section 7 Ma...

Страница 24: ...IV...

Страница 25: ...1 General This section provides an outline of functions of the MT9812B Multi Channel Box and the plug in unit and explanations of the product features 1 1 MT9812B Multi Channel Box 1 2 1 2 Plug in Uni...

Страница 26: ...that is one of the optical test set series has slots in which up to nine plug in units can be mounted The MT9812B operates the unit mounted in each slot and displays the state of each unit and the mea...

Страница 27: ...ifications See the ordering information to select the model name and option number when specifying the optical frequency wavelength of the light source 2 3 Application Parts and Options Incidentally t...

Страница 28: ...he linearity is less than or equal to 0 01 dB enabling high precision optical power measurement 4 High return loss and low polarization dependency Even if in the absence of a reflection suppressing ad...

Страница 29: ...2 1 Specifications 2 Section 2 Specifications 2 1 Component 2 2 2 2 Specifications 2 2 2 3 Application Parts and Options 2 8...

Страница 30: ...W1555AE Quantity 1 1 1 2 1 1 2 8 1 2 2 Specifications Specifications of MT9812B Multi Channel Box Number of units to be accommodated Indicator Channel number Set value display Panel manual control Ext...

Страница 31: ...B step 270 1 k 2 kHz extinction ratio 13 dB Min 0 005 dB 0 02 dB 0 25 dB 2 GHz Max 4 GHz Max fp 60 GHz 1 GHz One hour after the optical output is turned ON Operating temperature 15 to 35 C humidity of...

Страница 32: ...dB 0 02 dB 0 25 dB 2 GHz Max Approximately 0 02 nm 4 GHz Max Approximately 0 04 nm fp 60 GHz Approximately 0 48 nm 1 GHz Approximately 0 01 nm 10 GHz at fp 60 GHz or fp 60 GHz setting 25 C One hour a...

Страница 33: ...0 02 dB 0 05 dB 0 1 dB 0 15 dB One hour after the optical output is turned ON Operating temperature 0 to 50 C humidity of not greater than 90 must be condensation free Storage temperature 40 to 71 C...

Страница 34: ...ons Dimensions and mass Model name MU931311A MU931421A InGaAs PD Fiber input Compatible with FC PC ST DIN HMS 10 A and SC 8 800 to 1600 nm 750 to 1700 nm 10 to 110 dBm 10 to 80 dBm 7 to 90 dBm 93 dBm...

Страница 35: ...C Within a year from calibration Warming up time After one hour for MU931311A and after 30 minutes for MU931421A 4 Measurement conditions Constant temperature at 23 5 C one wave length in the range b...

Страница 36: ...Hz fp 192 30 THz fp 192 40 THz fp 192 50 THz fp 192 60 THz fp 192 70 THz fp 192 80 THz fp 192 90 THz fp 193 00 THz fp 191 70 THz Application parts GPIB cable 0 5 m GPIB cable 1 m GPIB cable 2 m GPIB c...

Страница 37: ...195 60 THz fp 195 70 THz fp 195 80 THz fp 195 90 THz fp 191 10THz fp 191 20THz fp 191 30THz fp 191 40THz fp 191 50THz fp 191 60THz fp 190 10THz fp 190 20THz fp 190 30THz fp 190 40THz fp 190 50THz fp 1...

Страница 38: ......

Страница 39: ...during the MT9812B use and avoid failures 3 1 Installation 3 2 3 1 1 Installation Conditions 3 2 3 1 2 Installation Environment 3 2 3 1 3 Power Source Voltage and Frequency 3 3 3 2 Connecting the Powe...

Страница 40: ...sed to direct sunlight Places that may be exposed to active gases Places to experience drastic temperature fluctuations Moreover moving the MT9812B to a place of high temperature after using it for ma...

Страница 41: ...the fuse first turn the power source OFF and pull the power source cord out from the power re ceptacle and then replace the fuse Attempting to re place the fuse without pulling the power source cord o...

Страница 42: ...vices connected to the instrument may be damaged When connecting to the power supply DO NOT con nect to an outlet without a earth terminal Also avoid using electrical equipment such as an extension co...

Страница 43: ...iden to become locked Removal 1 Check that the power source of the MT9812B is OFF 2 Pinch the drawing lever of the unit from the left and right and gently pull it out straightly toward you CAUTION Mak...

Страница 44: ...be output unless the remote interlock connector is in the state of short circuit 3 5 Connection of Remote Interlock Connector 2 Optical output modifier key switch Light will not be output unless the...

Страница 45: ...e switch opens and when the door is closed the switch is short circuited 2 Remove the short plug affixed to the remote interlock connector Make sure not to lose the removed short plug 3 Connect the re...

Страница 46: ...equivalent circuit Remote interlock connector 5 V 10 k To the internal circuit Unless the following three conditions are met no opti cal output will be made from the light source 1 The optical output...

Страница 47: ...ey which comes with the Device to set the switch ON The key can be taken out at the OFF position When the optical output modifier key switch is OFF and if the optical output of the light source is tur...

Страница 48: ...the optical fiber cord For Light Source unit Optical connector Optical fiber cord CAUTION Make sure to clean the end face of the optical fiber cord to be used before the cord is connected Moreover che...

Страница 49: ...hen gently pull the connector out straight toward you Connector lever 3 Follow the procedures on the other way around to affix the connector In this case pay due attention so that the connector or oth...

Страница 50: ...properties of the fuse indicated on the back of the MT9812B frame Using a wrong fuse may cause frequent fusing burnout or fires A fuse indication of TxxxA signifies fuses of time lag type The MT9812B...

Страница 51: ...justed with precision Disassembly or component re placement to be conducted by the customer without due precaution may cause not only problems in maintaining the function but also operation failures I...

Страница 52: ...Section 3 Before Use 3 14...

Страница 53: ...ol Channels 4 7 4 2 2 Optical Output ON OFF 4 7 4 2 3 Optical Output Enable Disable all light sources 4 8 4 2 4 Setting Output Optical Frequency or Wavelength 4 8 4 2 5 Setting ATT 4 10 4 2 6 Viewing...

Страница 54: ...mote mode the lamp on the right lights on If this key is pressed in the remote mode the mode returns to the local mode In the local mode the lamp goes off and the manual panel operation become enabled...

Страница 55: ...erminal to connect the ground line to ground the MT9812B to ensure safety 15 Remote interlock connector A connector for laser safety In the open status no light will be output even when the light outp...

Страница 56: ...MU952501A 2 Optical connector located in the connector cap 3 Drawing lever 1 Optical output ON OFF key Used to switch the optical output ON and OFF 4 2 2 Optical Output ON OFF 2 Optical connector Conn...

Страница 57: ...tensity exceeding 11 dBm by all means This may cause permanent damage to the equipment such as burnout of the optical receiver and ferrule end face 3 Analog signal An SMA connector for analog output w...

Страница 58: ...ignals from the light intercepting circuit of the optical sensor For this rea son the relationship between the level indication and the voltage output merely serves as a guideline and they do not nece...

Страница 59: ...y is located on the front panel of the unit Operation Remarks Press the Opt On key Every time the Opt On key is pressed the mode switches ON and OFF alternately When the light is output the Opt On key...

Страница 60: ...he specification The optical frequency or wavelength displayed after such a change is only an approxi mate value The exact value should be determined using an optical wavelength meter or an optical sp...

Страница 61: ...velength without pressing the Enter key but the display continues to flicker It is therefore recom mended that the setting be confirmed by pressing the Enter key and the setting status be completed Th...

Страница 62: ...tituting the flickering digit can be changed by pressing the or key Moreover the flickering digit the digit allowed to be input can be changed by pressing the or key POINT The magnitude of attenuation...

Страница 63: ...Pressing the key enables selection of the item to be viewed Pressing the key causes the display to switch as follows Output optical frequency Displayed unit THz Output wavelength Displayed unit nm Att...

Страница 64: ...nction is used to remove the electrical offset of the light receive circuit within an optical sensor The key which is illuminated is located on the front panel of each unit 1 Executing of the zero poi...

Страница 65: ...i cal value at room temperature 25 C Execution may occasionally take 2 minutes especially for a high ambi ent temperature When the 0 zero of the seven segment number moves to the right and left the ex...

Страница 66: ...n the setting mode The value of the flickering digit can be changed by pressing either the or key and the flickering digit which can be inputted can be changed by pressing either the or key POINT You...

Страница 67: ...or key Select the parameter item to be read When pressing the key the following parameters are sequentially displayed Measurement value display unit dBm Calibration optical frequency unit THz Calibra...

Страница 68: ...Section 4 Operation 4 16...

Страница 69: ...ter 5 26 5 5 1 ESB and MAV Summary Message 5 26 5 5 2 Device Dependent Summary Message 5 27 5 5 3 Reading and Clearing the Status Byte Register 5 28 5 6 Enabling the SRQ 5 30 5 7 Standard Event Status...

Страница 70: ...t used Even if this pin is set to either 0 or 1 communication is not affected Pin 5 Specifies the address for 24 Pin 4 Specifies the address for 23 Pin 3 Specifies the address for 22 Pin 2 Specifies t...

Страница 71: ...ies the speed for S3 Pin 2 Specifies the speed for S2 Pin 1 Specifies the speed for S1 Next table shows the speed setting 1200 2400 4800 9600 14400 19200 19200 19200 Speed bps S3 0 0 0 0 1 1 1 1 S2 0...

Страница 72: ...orted The function of releasing the listener by MTA is supported Service request function is supported Remote local operation selection function is supported A parallel poll function is not supported...

Страница 73: ...alue for the mul tiple units specified in ch list MFRame CATalog Function Inquires the inserted unit Program message MFRame CATalog Response message uid ch list uid ch list Parameter uid OPM OLS ch li...

Страница 74: ...s of 2 5 and 8 channels MFRame POWer FREQuency Function Sets modulation frequency Program message MFRame POWer FREQuency CW freq unit ch list MFRame POWer FREQuency ch list Response message freq freq...

Страница 75: ...depend on the unit specification The response messages are outputted in frequency unit at the order of the channel list MFRame FETCh POWer Function Inquiries the measured data Program message MFRame F...

Страница 76: ...eci fied in freq If the unit of freq is omitted Hz is assumed If the unit is specified in unit it is set in the specified unit For 0 Hz CW is set The response message is always output in Hz SOURce n P...

Страница 77: ...length The range and resolution of the wavelength depends on its light source unit The actual set values are rounded by the resolution Whenever the unit is omitted on the program message the unit is a...

Страница 78: ...unit of wavelength SOURce n MEMory COPY NAME Function Initializes the measuring condition of light source unit Program message SOURce n MEMory COPY NAME 0 MC Explanation This command returns the measu...

Страница 79: ...Program message SENSe n CORRection COLLect ZERO SENSe n CORRection COLLect ZERO Response message result Parameter result NR1 Explanation This command executes offset processing The response message ha...

Страница 80: ...al level and the other is MANUAL range which measures in an arbitrary specified fixed range AUTO range is set when the parameter is ON or 1 and MANUAL range is set when it is OFF or 0 When the MANUAL...

Страница 81: ...s unavoidable for switching the range It is therefore recommended that the measurements be made in the MANUAL range mode when the optical level to be measured is roughly known or the variation of its...

Страница 82: ...is output in the unit value that is set at SENSe n POWer WAVelength UNIT When the unit is m all the data are output with M POINT The wavelength value depends on the range of wavelength of the unit cu...

Страница 83: ...is set in SENSe n POWer UNIT SENSe n POWer UNIT Function Switches the readout data unit system Program message SENSe n POWer UNIT unit SENSe n POWer UNIT Response message unit Parameter unit DBM W Ex...

Страница 84: ...message SENSe n BANDwidth AUTO sw SENSe n BANDwidth AUTO Response message status Parameter sw ON OFF 1 0 status 1 0 Explanation This command switches whether or not the automatic setting of light rec...

Страница 85: ...in Hz unit The bandwidth which can be set is different depending on the optical sensor in use The bandwidth is also restricted in MANUAL RANGE Mode In the following table the combinations of the meas...

Страница 86: ...ent value can contain some error SENSe n FILTer BPASs FREQuency Function Sets the modulation frequency Program message SENSe n FILTer BPASs FREQuency CW freq unit SENSe n FILTer BPASs FREQuency Respon...

Страница 87: ...t func tion for a measuring interval of 100 ms or shorter So the measuring interval between 1 ms and 50 ms for the optical sensor unit can be set but the measured value may not be read out correctly W...

Страница 88: ...e specific commands or the common commands GET Group Execute Trigger was sent to a program message Code Message Error detecting condition 101 104 105 108 112 113 120 121 130 144 Invalid character Data...

Страница 89: ...ommand query and execution errors These errors include the failure of hardware firmware and self diagnosis errors If an error of this type occurs bit 3 in the event status register is set Code Message...

Страница 90: ...unicate SERial HEAD and these are dependent on each another When the one is set the another is set to the same SYStem COMMunicate SERial HEAD Function Sets the addition of header Program message SYSTe...

Страница 91: ...ble Register Output Queue 7 5 4 3 2 1 0 7 5 4 3 2 1 0 Status Byte Register Service Request Enable Register Read by ESR Read by STB Set with ESE NRf Read with ESE Set with SRE NRf Read with SRE Read in...

Страница 92: ...result of ORing these bits is 0 the summary message bit is set to 0 Queue model A data structure in which status values or information are removed in the same order of which those were entered Only wh...

Страница 93: ...of ORing the values of these two registers is 0 the SRQ is set ON In this case the status byte register bit DIO 7 is reserved by the system as an RSQ bit so this bit indicates to an external controll...

Страница 94: ...summary message bit becomes True when at least one event registered in the standard event status register becomes True with event occurrence enabled Conversely the ESB sum mary bit becomes False when...

Страница 95: ...essage bit becomes True when one or more events have become True with occurrence of events en abled For the queue model the summary message bit becomes True when the queue is not empty In the MT9810A...

Страница 96: ...C RESPONSE DATA from the MSS summary message The response is the total of the status register value assigned binary weights and MSS summary message value Status byte register bits 0 to 5 and 7 are ass...

Страница 97: ...ll unread messages in the output queue are cleared and the MAV message becomes False When replying to the STB the MSS message becomes False too Values of enable registers are not affected by CLS 7 ESB...

Страница 98: ...Not used disabled 0 enabled 32 25 disabled 0 enabled 16 24 disabled 0 enabled 8 23 disabled 0 enabled 4 22 disabled 0 enabled 2 21 disabled 0 enabled 1 20 Status summary message 1 Reading the service...

Страница 99: ...ter can be cleared by bringing the DECIMAL NUMERIC PROGRAM DATA element value to 0 Clearing the service request enable register disables the status information to generate an rsv local message suppres...

Страница 100: ...eration complete OPC Table 5 5 Description The power has been turned ON Local control is requested This bit is set irrespective of the remote local state of the device Since this bit is not supported...

Страница 101: ...bit 2 query error bit When the device cannot output a response message because the con troller has output a program message including a query message and the next program message in succession the de...

Страница 102: ...g and Clearing the Standard Event Status En able Register Table 5 8 Read Write Clearing This register is read non destructively in response to the ESR common command In other words this register is no...

Страница 103: ...Data Output Queue Data Data Data Data Data Data Queue MAV message available summary bit MAV Message Available summary bit indicating the output queue is not empt The queue that outputs an MAV summary...

Страница 104: ...V summary message is used to syn chronize information exchange between a device and the controller This queue is cleared in the following cases a All items in the queue are read b A DCL bus command is...

Страница 105: ...les the standard event status Program message ESE mask ESE Response message mask Parameter mask Logical sum of 2n 0 n 7 Explanation The sum total of values 20 1 21 2 22 4 23 8 24 16 25 32 26 64 and or...

Страница 106: ...that are enable When the response is read this register is cleared Register contents Set value Bit 7 Power On 128 Bit 6 Not used 64 Bit 5 Command Error 32 Bit 4 Execution Error 16 Bit 3 Device Depend...

Страница 107: ...RST Function Clears the measurement conditions and the device Program message RST Explanation This command resets a device at level 3 and does not affect the following items State of IEEE488 1 interf...

Страница 108: ...SB 32 Bit 4 MAV 16 Bit 3 Questionable Status 8 Bit 2 QUE 4 Bit 1 Not used 2 Bit 0 Source Status 1 STB Function Reads the status byte Program message STB Response message code Parameter code Logacal su...

Страница 109: ...eted without causing any error code Contents 0 Test completed without error 1 Test not executed or executed with error occurred WAI Function Waits the next command Program message WAI Explanation This...

Страница 110: ...0 to 1 is called the P transition filter while the filter for change from 1 to 0 is called the N transition filter These filters are rewritten as a mask pattern in accordance with the request from the...

Страница 111: ...ion Questionable SUMmary INSTrument Others Enable PTR NTR Enable PTR NTR Enable PTR NTR Enable PTR NTR Enable PTR NTR all 0 all 1 all 0 all 0 all 1 all 0 all 0 all 1 all 0 all 1 all 1 all 0 all 1 all...

Страница 112: ...in the event enable register becomes the parameter The bit digit value to be disabled is zero The item of the event enable register to be specified is deter mined with node node EVENt Function Checks...

Страница 113: ...o be disabled is zero The item of the N transition register to be specified is deter mined with node node PTRansition Function Sets the P transition register Program message node PTRansition mask node...

Страница 114: ...the equipment is indicated by allocating to bits Each bit indicates the following Bit Description 1 State of temperature of light source unit STATus OPERation SETTling Function Indicates the state of...

Страница 115: ...ure abnormality STATus QUESTIONABLE POWER Power supply abnormality STATus QUEStionable POWer Function QUSTIONABLE status register Explanation Specifies the status register to be referenced Each device...

Страница 116: ...Channel 8 8 Channel 9 State Contents 0 Output Off 1 Output On STATus QUEStionable POWer CURRent Function Indicates the current abnormality Explanation This command indicates the occurrence of current...

Страница 117: ...Channel 9 State Contents 0 Temperature abnormality not occurred 1 Temperature abnormality occurred STATus QUEStionable POWer POWer Function Indicates the power supply abnormality Explanation This comm...

Страница 118: ...Section 5 Remote Control 5 50...

Страница 119: ...or dealers listed in this manual which is located closest to you In case you ask for repair first check the following points 1 Equipment name and serial number indicated on the back panel or the chas...

Страница 120: ...ing up following power on 2 2 Specifications POINT To record results of the performance test it is advised to copy the list of performance test result record of Appendix A at the end of this document...

Страница 121: ...comes within the specified level 6 1 2 Center Optical Frequency Measuring instrument tested Variable optical attenuator Optical Frequency Counter MF9630A Optical fiber Optical fiber Fig 6 2 Step Oper...

Страница 122: ...mance test after a sufficient time for warming up following power on 2 2 Specifications POINT To record results of the performance test it is advised to copy the list of performance test result record...

Страница 123: ...ured values 1 and 2 indicates the error between the ranges 8 Increase the attenuation value of the optical attenuator by 10 dB and repeat the operation from step 5 through 7 up to the minimum range of...

Страница 124: ...5 The absolute value of the power meter display becomes the re turn loss 6 2 4 Noise Level Variable optical attenuator MN9625A 2 Light source MU952501A Device under test DUT Optical fiber Optical fib...

Страница 125: ...are and cleaning and re transportation and actions to be taken in the event of abnormalities 7 1 Daily Care and Cleaning 7 2 7 1 1 External Stains 7 2 7 1 2 Optical connector optical adapter cleaning...

Страница 126: ...cloth soaked with soapy water first turn the power source of the MT9812B OFF and pull out the power source cord from the power recep tacle Trying to perform operations without pulling the power sourc...

Страница 127: ...2 Pull the adapter lever up then gently pull the adapter out straight towards you after checking that the latch is released Adapter Lever Latch 3 Clean by pressing the adapter cleaner which is soaked...

Страница 128: ...Cleaning optical adapter Use adapter cleaner supplies for this unit to clean the optical adapter for connec tion to the fiber optic cable An example of the FC adapter is described below Follow simila...

Страница 129: ...n the cleaning face and rub in one direction Notes on cleaning 1 Do not clean with used adapter cleaner 2 Do not finish clean with a cotton swab as cotton fibers may adhere to the surface 3 Make sure...

Страница 130: ...storing the MT9812B and the plug in units in places such as those listed below Places that experience temperatures of 70 C or higher and of 20 C or lower Places exposed to direct sunlight Dusty place...

Страница 131: ...materials used at the time of purchase are lost 1 Make air cell mat air cap sheet or sheet with equivalent cushioning effects available 2 Wrap the entire MT9812B or plug in unit with the sheet 3 Make...

Страница 132: ...r source OFF promptly and contact the service center Use a connector of a correct shape 3 8 Replacement of Optical Connector Check the position and direction of the pawl Connect the GPIB and RS 232C c...

Страница 133: ...1 Daily Care and Cleaning Set the mode to CW Clean the end face of the fiber cord or the connector 7 1 Daily Care and Cleaning 3 5 Connection of Remote Inter lock Connector 3 6 Optical Output Modifier...

Страница 134: ...ght and also set the modulation frequ ency correctly Set a shorter time for measurement interval Set the mode to the CW mode to measure CW light When the ambient temperature is high processing takes l...

Страница 135: ...App i Appendix Appendix Appendix A Performance Test Result Recording List A 1 Appendix B Error Code B 1...

Страница 136: ...Appendix App ii...

Страница 137: ...94 79THz 194 80THz 194 81THz MU952501A 09 193 89THz 193 90THz 193 91THz MU952504A 09 194 89THz 194 90THz 194 91THz MU952501A 10 193 99THz 194 00THz 194 01THz MU952504A 10 194 99THz 195 00THz 195 01THz...

Страница 138: ...190 59THz 190 60THz 190 61THz MU952604A 10 187 99THz 187 00THz 187 01THz MU952602A 07 190 69THz 190 70THz 190 71THz MU952605A 04 187 39THz 187 40THz 187 41THz MU952602A 08 190 79THz 190 80THz 190 81T...

Страница 139: ...f Performance Test Result Record Model MU95 A Date Serial No Temperature C Humidity Atmospheric pressure hPa Person in charge 1 Center Wavelength Minimum Reading Maximum 1290 mn nm 1330 nm 1310 nm 153...

Страница 140: ...m 60 dBm 7 60 dBm 70 dBm 8 70 dBm 80 dBm 9 80 dBm 90 dBm 10 Range Minimum Calculation Maximum 10 dBm 1 2 0 050 dB 0 050 dB 0 dBm 2 0 010 dB 0 010 dB 10 dBm 0 000 dB 20 dBm 3 0 010 dB 0 010 dB 30 dBm 3...

Страница 141: ...2 10 dBm 20 dBm 3 20 dBm 30 dBm 4 30 dBm 40 dBm 5 40 dBm 50 dBm 6 50 dBm 60 dBm 7 60 dBm 70 dBm 8 Range Minimum Calculation Maximum 10 dBm 1 2 0 050 dB 0 050 dB 0 dBm 2 0 010 dB 0 010 dB 10 dBm 0 000...

Страница 142: ...Appendix A Performance Test Result Recording List A 6...

Страница 143: ...ror occurred E 003 An error occurred in unit memory E 005 The unit internal temperature out of the allowable range E 006 An error occurred in power measuring circuit E 007 Offset level abnormal E 008...

Страница 144: ...Appendix B Error Code B 2...

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