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110 END

RS232 Interface Programming Example

The following sample program, written in MS-DOS Qbasic, controls the RX3 meter.

All RS232 messages must end with the terminating sequence <CR>.

OPEN "COM1 : 1200, N, 8, 2" AS #1

PRINT #1, "A00E"

' lockout keypad

PRINT #1, "A08E"

' backreflection mode

PRINT #1, "G"

' read measurement

INPUT #1, READING$

PRINT READING$

' display measurement

PRINT #1, "A99E"

' enable key pad

80 CLOSE

70 END

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Summary of Contents for RX3 Series

Page 1: ...uy your excess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing R...

Page 2: ...RX3 SERIES MULTICHANNEL BACKREFLECTION METER User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 4: ...3333 E mail support jdsu com Outside North America Toll Free 800 4069 5599 Toll Free Fax 800 7777 5378 China Toll Free 10 800 140 5599 Toll Free Access Codes by Country Country Code Australia 0011 Eu...

Page 5: ...iv Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 6: ...Measurements 2 Loss and Power Measurements 2 Output Port 2 Hybrid Jumpers 3 Coherence Length 3 Key Features 3 Applications 3 Standard Accessories 4 Optional Accessories 4 Specifications 5 Getting Sta...

Page 7: ...r Calibration Adjustment 28 Maintaining the Meter 29 Cleaning the Connector Ends 29 Programming Guide 31 GPIB Interface 31 GPIB Interface Pin Assignment and Functions 31 Setting the GPIB Interface Add...

Page 8: ...or instructions on handling and operating the unit safely Frame or chassis terminal for electrical grounding within the unit Protective conductor terminal for electrical grounding to the earth WARNING...

Page 9: ...ontact Never connect to an extension cord that is not equipped with this feature Willfully interrupting the protective earth connection is prohibited Never look into the end of an optical cable connec...

Page 10: ...o not attempt any adjustment maintenance or repair procedure to the unit s internal mechanism if immediate first aid is not accessible Disconnect the power cord from the unit before adding or removing...

Page 11: ...the top of the unit showing name of manufacturer address and month and year of manufacture Figure 1 Identification Label A note as shown in Figure 2 indicating compliance to FDA requirements is silk...

Page 12: ...xi Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 13: ...xii Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 14: ...The meter is used from single fiber and ribbon fiber connector measurements The use of hybrid jumpers allows a quick change of the connector type without limiting the RL range The meter is also availa...

Page 15: ...from internal and external sources BRtot using the following equation where CAL and USERCAL are the factory and user set calibration factors respectively BRtot 10 log Pbr Pdark Pin Pdark CAL USERCAL...

Page 16: ...ide an end compatible with the input connector of the DUT The calibrated jumper has an FC APC connector at the input end and an FC PC connector at the output end The FC APC connectors on both types of...

Page 17: ...er FC PC FC APC hybrid calibrated jumper FC type detector adapter Detector cap User s manual MCTS software and user s manual Certificate of Compliance NIST Traceability Report available on request Opt...

Page 18: ...m Backreflection resolution 0 1 dB Power resolution 0 01 dB Input voltage 100 to 240 V AC 50 to 60 Hz Operating temperature 0 to 40 C Storage temperature 40 to 70 C Dimensions W x H x D single output...

Page 19: ...n accurately measure ribbon fiber connectors with up to 8 multimode or 12 single mode fibers 9 Measured at ambient temperature 3 C Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SO...

Page 20: ...ents to ensure that the shipment is complete 3 Inspect the unit for structural damage that can have occurred during shipping 4 Connect the unit to a power source using the AC power cord provided 5 Set...

Page 21: ...g damaged or dirty fibers to the unit can damage the connectors on the unit Never force an optical connector Some connectors have a ceramic ferrule that can easily be broken Tighten the connector lock...

Page 22: ...he meter to a power source using the AC power cord provided 2 Set the power switch to I on and observe the power up sequence The prompt to restore last settings or initialize the meter is displayed Th...

Page 23: ...kscattering in the fiber make both termination points as close as possible to the DUT The backreflection of all components and connections between these two points is included in the equation for calc...

Page 24: ...ection from the fiber end and they cannot be applied sufficiently close to a DUT with long jumpers To terminate using index matching gel 1 Apply index matching gel directly to the fiber end or connect...

Page 25: ...S use use Select source mode when in POWER mode LASER LED OUTPUT 1 OUTPUT 2 OUTPUT 3 OUTPUT 4 use if 4 channels CALP 0 00 Press and hold soft key for two 2 seconds to activate this menu OFF OFF ON ON...

Page 26: ...Backreflection Meter Master Module The Master Module panel is shown in Figure 9 Figure 9 Master Module Panel Input Switch Module The input switch module displays the selected output port Output Module...

Page 27: ...t Menu mode BR0 Measures the backreflection value and stores it as BR0 The key lamp lights to indicate that the function is on To restore the factory set BR0 value press the BR0 key again The key lamp...

Page 28: ...I on and select the Restore Last Settings or Initialize option using the soft key to the right of the option 3 Press the BR key to set the meter to Backreflection mode The mode is indicated on the dis...

Page 29: ...jumper has been stored The BR0 value will be used in the calculation of the DUT backreflection at the selected wavelength 15 To have the RX3 meter perform the BR0 measurement for both wavelengths hol...

Page 30: ...ection measurements below 25 dB perform the BR0 measurement frequently or before each measurement Backreflection Accuracy and Range The absolute accuracy of backreflection measurements made with the R...

Page 31: ...ess the POWER key to set the meter to Relative Power mode When the meter is in Relative Power mode measurements are displayed in dB and the mode is indicated Figure 13 Figure 13 Setting Up for Loss an...

Page 32: ...ter The RX3 meter displays the DUT absolute power output 5 If a measurement is to be made at a second wavelength repeat steps 4 and 5 and then read the DUT absolute power Measuring Relative Power Rela...

Page 33: ...ions during loss measurements Although the same laser diode is used if the laser power is reduced by 25 dB it becomes an LED with a broader bandwidth and therefore less spatial coherence To set LED mo...

Page 34: ...reach the detector at the same time this is possible only through the use of ribbon fiber To reset the meter to single channel display mode 1 Set the power switch to O off 2 Turn the power switch to I...

Page 35: ...RE MENUS 3 Press the soft key labeled SETUP MENU 4 Press the soft key labeled SETUP VIA LOSS to set the status option to REFLECTION 5 Press the soft key corresponding to the required wavelength 6 Pres...

Page 36: ...of Being Disabled Prompt Option SOURCES To set the 1 3 laser or the 0 85 laser to OFF The disabled source cannot be selected for backreflection or loss measurements OUTPUTS To set any of the outputs...

Page 37: ...aser power is too low INPUT HIGH Displayed momentarily when the laser power is too high BATTERY LOW Indicates that the RAM battery chip is low and consequently the stored values used to restore last s...

Page 38: ...ally by the meter If the loss differs substantially from 0 15 dB follow the setup procedures described in the Setting Up the Meter for Loss and Power Measurements section Reflections Before the DUT Wh...

Page 39: ...r measurements Other A variety of other possible display messages and symbols are described in Table 9 Table 9 Other Messages and Symbols Display Problem Solution The backreflection or power measureme...

Page 40: ...actory set backreflection calibration value USERCAL that compensates for the typical loss resulting from a connection to the front panel FC APC connector This value appears in the Inspection Report se...

Page 41: ...Press the soft key labeled DONE 3 Connect each of the outputs to the external detector in sequence and press the soft key labeled DONE after each output is connected For the first channel only connect...

Page 42: ...nu mode 2 Press the soft key labeled MORE MENUS 3 Press and hold the unlabeled fourth soft key until the calibration menu is displayed 4 Press the soft key labeled CALIBRATE POWER The calibration fact...

Page 43: ...the push button fastener to secure it To avoid damaging the input and output port fibers make one or two large loops in the fibers when raising the door Artisan Technology Group Quality Instrumentatio...

Page 44: ...vices such as a printer A measurement is transmitted as ASCII text in the same format as it is displayed on the meter but preceded by a two letter code BR backreflection AP absolute power or RP relati...

Page 45: ...nterface open collector drivers Setting the GPIB Interface Address To set the GPIB address 1 Press the MENU key 2 Press the soft key labeled REMOTE MENU 3 Press the soft key labeled EMULATION RX3 emul...

Page 46: ...eter is ready to receive commands 1 RX3 meter is busy executing commands 3 RX3 meter is trying to send commands GPIB Device Dependent Commands The GPIB device dependent commands are listed in Table 13...

Page 47: ...only 3 Valid in BR mode only 4 Same as initialize RS232 Interface RS232 Pin Assignment and Functions The RS232 pin assignment is shown in Figure 16 and the interface functions are listed in Table 14...

Page 48: ...ecome positive indicating that the RS232 interface is ready to communicate The interface controller then waits for the CTS line to become positive before the measurements are transmitted For the RX3 m...

Page 49: ...e I O on off key Programming Examples GPIB Interface Programming Example The following sample program written in MS DOS2 Qbasic controls the RX3 meter It can be used with an IOTECH GP4 A interface boa...

Page 50: ...th the terminating sequence CR 10 OPEN COM1 1200 N 8 2 AS 1 20 PRINT 1 A00E lockout keypad 30 PRINT 1 A08E backreflection mode 40 PRINT 1 G read measurement 50 INPUT 1 READING 60 PRINT READING display...

Page 51: ...38 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 52: ...39 Customized Features and Test Data Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 53: ...40 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 54: ...ained prior to shipping any material to JDS Uniphase The owner s name and address the model number and full serial number of the unit the RMA number and an itemized statement of claimed defects must b...

Page 55: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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