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SVA 1

Single-mode Fiber Optic Variable

Attenuator

User’s Guide

T e s t & I n s p e c t i o n

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Summary of Contents for SVA 1

Page 1: ...A SVA 1 Single mode Fiber Optic Variable Attenuator User s Guide T e s t I n s p e c t i o n...

Page 2: ...le mode Fiber Optic Variable Attenuator User s Guide 2003 AFL Telecommunications all rights reserved SVA1 00 1000 Revision C 9 15 05 Speci cations are subject to change without notice T e s t I n s p...

Page 3: ...Unauthorized repair or modi cation Misuse negligence or accident CE Information These instruments have been designed and tested to comply with the relevant sections of any applicable speci cations inc...

Page 4: ...es 2 Section 2 Functional Description SVA 1 Front Panel 3 Section 3 Applications System Margin Test 4 step I measure optical power of the transmitter 4 step II insert SVA 1 between transmitter and rec...

Page 5: ...TICE An SVA 1 Single mode Variable Attenuator contains no user serviceable parts Except for cleaning optical ports this instrument must be returned to Noyes or authorized agents for repair IMPORTANT P...

Page 6: ...ument and recommended accessories or if you need technical or sales support please contact Noyes Customer Service Contacting Noyes Customer Service You may call Noyes Customer Service between 8 a m an...

Page 7: ...uited for all single mode applications including Telco LANs WANs Video and CATV Recommended Accessories You will need ber optic test jumpers to connect your SVA 1 to the system under test Test jumpers...

Page 8: ...m under test Fine adjustment knob used for ne attenuation adjustment 0 to 10 dB nominal Coarse adjustment knob used for course adjustments 0 to 60 dB nominal Input Output port used to connect the SVA...

Page 9: ...urn on the OPM 5 optical power meter refer to Figure page 5 2 Select the appropriate ber optic test jumper Note The ber type of this jumper must be the same as the ber type normally connected to the o...

Page 10: ...rement 7 Press and hold the REF key until HELD appears to set the reference level at the current wavelength The OPM 5 should display 0 dB 0 05 dB network transmitter network receiver transmit jumper 1...

Page 11: ...wer step II insert SVA 1 between transmitter and receiver 8 Insert the SVA 1 attenuator between the transmitter and receiver 9 Increase the attenuation by turning the Fine or Course knobs until the Bi...

Page 12: ...the display reading to dBm gives the absolute level at which system failure occurred This level should be within the receiver manufacturer speci cations If using an optical power meter other then OPM...

Page 13: ...ion by turning the Fine or Course knobs until the system operates properly 3 Connect the optical power meter to the SVA 1 to measure the attenuated power 4 The loss displayed on the optical power mete...

Page 14: ...ormance Optical ports must be kept free from dirt or other contaminates to ensure accurate measurements and operation A supply of optical cleaning pads and isopropyl alcohol is recommended to clean th...

Page 15: ...1310 nm Minimum Attenuation 60 dB Return Loss 50 dB 60 dB optional angled FC Coarse Adjustment 0 to 60 dB nominal Fine Adjustment 0 to 10 dB nominal Standard Connector FC ST SC Operating Temperature C...

Page 16: ...k you for choosing Noyes Test Inspection 16 Eastgate Park Road Belmont NH 03220 Phone 800 321 5298 603 528 7780 Fax 603 528 2025 www AFLtele com Products Noyes Test Inspection T e s t I n s p e c t i...

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