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JDS Uniphase RM3 Series, Руководство пользователя

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11

Operating and Maintenance Instructions 

Front Panel 

The front of the meter (model RM3750) is shown in Figure 7 and described in Table 5. Not all 
RM3 Series meters are exactly as shown. 
 

 

Figure 7: Front Panel of the RM Series Backreflection Meter 

 

Table 5: Front Panel Operating Keys and LEDs 

Key/LED Description 

ON / OFF 

Power on ON / OFF switch. 

BR 

Sets the meter to Backreflection measurement mode. 

STORE BR

0

 

Stores the BR

0

 value used in backreflection measurements and toggles 

the key lamp on and off. 

POWER 

Sets the meter to Power and Relative Power measurement modes. 

STORE 

I

D

 

Stores the I

D

 value used in dark measurements. 

λ

  

Selects one of the two laser sources. 

 

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Содержание RM3 Series

Страница 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...

Страница 2: ...RM3 SERIES BACKREFLECTION METER User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 3: ...ii 10112341 Rev 004 November 2003 2003 JDS Uniphase All rights reserved Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 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...

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

Страница 6: ...ty Labeling x General Information and Specifications 1 General Information 1 Backreflection Measurements 2 Loss and Power Measurements 2 Output Port 3 Internal Light Sources 3 Hybrid Jumpers 3 Coheren...

Страница 7: ...al 19 Messages and Symbols 20 Calibrating the Meter 21 Backreflection Calibration Adjustment 21 Power Calibration Adjustment 22 Maintaining the Meter 22 Cleaning the Unit 22 Cleaning the Connector End...

Страница 8: ...er is 30 VA The unit can also be operated using its internal 6V DC rechargeable battery Fuse Type The fuse type used by the unit is 5 x 20 mm F1A 250 V Safety Instructions The following safety instruc...

Страница 9: ...n Table 2 For the exact specification of the lasers described in this manual please refer to the Specifications section Table 2 Laser Class and Parameter Limits Parameter Specification Wavelength 850...

Страница 10: ...hazard that can result in serious personal injury Do not operate the unit if an interruption to the protective grounding is suspected In this case ensure that the unit remains inoperative Use only the...

Страница 11: ...entification label Figure 1 is placed on the 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 compli...

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

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

Страница 14: ...3 Series Backreflection Meter An important feature of the Backreflection Meter is the FC APC ultra low backreflection connector at its output port SC APC connector also offered By switching hybrid jum...

Страница 15: ...external sources BR is then calculated using the following equation where BR0 is the stored value of the total backreflection up to the device under test DUT and User CAL is the user set calibration...

Страница 16: ...jumper for measurement purposes only use the calibrated jumper for calibration purposes only The calibrated jumper has a label attached to it identifying it as the calibrated jumper Coherence Length...

Страница 17: ...d when ordered FC PC FC APC or SC PC SC APC hybrid measurement jumper FC PC FC APC or SC PC SC APC hybrid calibrated jumper FC type or SC type detector adapter Detector cap Foot pedal MCTS software an...

Страница 18: ...accuracy backreflection power 0 4 dB3 0 05 dB 5 dB loss 0 15 dB 5 dB loss 5 0 7 dB4 0 15 dB 5 dB loss 6 7 Output connector type Panel mounted low backreflection APC Remote interface RS232 or IEEE 488...

Страница 19: ...A 250 V Physical Display 16 character LCD Dimensions W x H x D 26 x 11 x 26 cm Weight 4 kg Environmental Operating temperature 0 to 40 C Storage temperature 40 to 70 C Humidity maximum 95 RH from 0 to...

Страница 20: ...pment is complete 2 Inspect the unit for structural damage that can have occurred during shipping 3 Connect the unit to the power source using the power cord provided 4 Set the power switch to ON to i...

Страница 21: ...do not expose the unit to any source of excessive moisture Cleaning Connectors Caution Connecting damaged or dirty fibers to the unit can damage the connectors on the unit Never force an optical conne...

Страница 22: ...off the remaining parts of the connector 6 With the other end of the pipe cleaner or swab dry the areas cleaned 7 Using the dusting gas or compressed air blow the areas cleaned Powering Up the Meter T...

Страница 23: ...10 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 24: ...Keys and LEDs Key LED Description ON OFF Power on ON OFF switch BR Sets the meter to Backreflection measurement mode STORE BR0 Stores the BR0 value used in backreflection measurements and toggles the...

Страница 25: ...points need to be made as close as possible to the DUT to minimize the errors associated with Rayleigh backscattering in the fiber The backreflection of all components and connections between these tw...

Страница 26: ...and occasionally wind the cable in the opposite direction figure 5a Figure 9a Terminating the Jumper for BR Measurement for Single mode except 980nm 2 The second termination is made after the DUT in o...

Страница 27: ...e 3 Press the BR key to set the meter to Backreflection mode which is displayed as BR on the meter 4 Clean the output port on the front of the meter and the APC connector green boot of the measurement...

Страница 28: ...nt steady The meter displays the backreflection between the two termination points that is caused by the fiber all connections and the DUT This area is shown within the dashed line in Figure 6a for si...

Страница 29: ...ange limit last 5 dB of range if using BR0 below 60 dB otherwise to indicate that the setup and measurement procedures described in the previous two sections must be followed carefully to ensure accur...

Страница 30: ...D key The key lamp lights to indicate that the user stored value of ID the dark signal from extraneous sources is used to calculate the DUT loss or power If the detector is not sufficiently covered th...

Страница 31: ...Power key to set the meter to Relative Power mode In Relative Power mode the meter displays P at the beginning of the reading and rel at the end for example P 0 15 dB rel 2 Press the key to select the...

Страница 32: ...is supplied with a foot pedal for convenient data logging to either a computer or printer Data logging operates at a baud rate of 2400 To use the foot pedal 1 Ensure the computer or printer is connect...

Страница 33: ...han the minimum value P is greater than the maximum value BRo STORED XX X Displayed momentarily when the BR value XX XdB is being stored as BR0 ID STORED Displayed momentarily when measuring ID TOO MU...

Страница 34: ...hich the calibration check is to be performed Choose either wavelength as you will check both 4 Clean the output connector of the calibrated jumper The backreflection value is displayed The value disp...

Страница 35: ...n the front panel of the Backreflection Meter The value displayed on the Backreflection Meter must match the value measured by the power meter to within 0 3 dBm If the values do not match to within 0...

Страница 36: ...onnector onto the panel 5 Reinstall the connector panel To avoid damaging the input and output port fibers make one or two large loops in the fibers when replacing the panel Recharging the Battery The...

Страница 37: ...ollow the setup procedure described in the Setting Up the Meter for Backreflection Measurements section and ensure that the backreflections do not change from the time of the setup Reflections After t...

Страница 38: ...a long time Set the power switch to OFF connect the Backreflection Meter to a power source and then set the power switch to ON The BR measurement is approaching the range limit of the Backreflection M...

Страница 39: ...26 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 40: ...ght bits per character two stop bits and no parity bit RS232 Pin Assignment The RS232 pin assignment is shown in Figure 15 Figure 15 RS232 Pin Assignment RS232 Interface Specifications The RS232 inter...

Страница 41: ...measurement The transmission also includes the wavelength at which the measurement was made and the characters CR LF The character commands that control the meter via the RS232 serial interface port a...

Страница 42: ...Left DIP Switch The settings for the left DIP switch are shown in Table 10 Table 10 Left DIP Switch Settings Switch Setting Meaning GPIB ADDR 01000 address 2 CONFIG ON use large serial buffer enable S...

Страница 43: ...if the command was accepted 230 PRINT WILL NOT DISPLAY BR 240 STOP 250 FOR I 1 TO 5 Read and display five BR measurements 260 PRINT 1 G 270 INPUT 1 IN 280 PRINT IN 290 NEXT I 300 PRINT 1 A Go to Power...

Страница 44: ...ee documents included with this manual RM Series Backreflection and Loss Meter Test Report Certificate of Calibration Hybrid Jumper Backreflection Calibration Artisan Technology Group Quality Instrume...

Страница 45: ...32 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 46: ...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...

Страница 47: ...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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