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1

CONTACT US 

858.546.5050

www.

picomacom

.com

PICO MACOM

Fiber Optic

Series

6.  Maintenance

The PRR receiver contains no internal user adjustments or maintenance points.   

6.1  Decreased Performance Due to Contamination

The most likely cause of decreased RF signal quality is contamination in the OPTICAL IN con-
nector.  The optical jumper connectors may be contaminated by the slightest touch to human 
skin or other apparently clean surfaces.  This contamination is transferred in to the PRR bulk-
head connector and remains when the jumper is removed from the PRR receiver.  Over time, it 
will cause decreased and intermittent input levels.  Users may correct this condition as follows 
using commonly available fiber cleaner kits.  One possible source is Fiber Instrument Sales, 
www.fiberinstrumentsales.com.

1.  Remove fiber jumper from OPTICAL IN connector
2.  Unplug unit from power source. Open top cover by removing 12 screws, sliding top plate back 

and lift at rear.  Find and remove internal fiber connector at OPTICAL IN bulkhead connector 
and set aside.  Exercise care that you do not bend or damage the internal fiber.

3.  Clean bulkhead connector using standard fiber cleaning tools such as Optipop 2.5mm stick 

cleaner.  Slide stick into the bulkhead and scrub contamination of the bulkhead.  A less effec-
tive solution is to use canned (clean) air with nozzle to blow contamination out of the bulk-
head. Do not use cotton swabs which leave cottons debris.

4.  Clean the internal fiber connector using handheld fiber connector cleaner (as shown earlier in 

this manual) and insert directly into the bulkhead connector until fully seated. If using FC type, 
screw ferrule onto bulkhead connector until snug.   

5.  Clean and insert protective cover in inside of bulkhead connector if an external fiber connector 

is not to be plugged into the PRR immediately.

6.  Replace PRR top cover and snug 12 screws.  Do not over tighten.  Replace in rack and connect 

power cord.

7.  Clean external fiber (jumper) connector using handheld fiber connector cleaner (as shown ear-

lier in this manual) and insert directly into the bulkhead connector until fully seated. If using 
FC type, screw ferrule onto bulkhead connector until snug.   

 

Содержание PRR-1

Страница 1: ... PRRSeries Optical Return Receiver PICO MACOM Please read this manual thoroughly before use Keep this manual handy for future reference Visit Our Web Site www picomacom com Contact Us 858 546 5050 Toll Free 800 421 6511 ...

Страница 2: ...d to the side or rear panels of this equipment The significance of the two symbols enclosed by triangles is described below This symbol means that dangerous voltages are present within the equipment These voltages are not insulated and may be of sufficient strength to cause serious bodily injury if touched This symbol may also appear on schematics This symbol calls attention to a critical procedur...

Страница 3: ...ry reversing the plug If the plug still does not fit contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of a polarized plug Servicing Refer all servicing to qualified personnel Opening or removing covers may expose dangerous voltages When replacement parts are required make sure the service technician uses only replacement parts recommended by Pico Macom Unau...

Страница 4: ...ssified as Class 1M per IEC EN 60825 1 A2 2001 and comply with FDA CDRH 21 CFR 1040 10 and 1040 11 except for deviations pursuant to Laser Notice No 50 dated 26 July 2001 When using Optical signals of these levels viewing the laser output or the fiber output with certain optical instruments for example eye loupes magnifiers and microscopes within a distance of 100 mm may pose an eye hazard ...

Страница 5: ...on 9 1 Unpacking The Unit 9 2 Before Mounting 9 3 Rack Mounting 9 3 1 Spacing 9 3 2 Cooling 9 3 3 Securing the Unit 9 4 Making Rear Panel Connections 10 4 1 Power Connection and Initial Power Up 10 4 2 Connecting Optical Power Input 10 4 3 RF Output Connections 11 5 Front Panel Operations 11 5 1 Setting RF ADJUST 11 6 Maintenance 12 6 1 Decreased Performance Due to Contamination 12 Chapter 4 Custo...

Страница 6: ...gth transmitters The optical input is monitored and the front panel OPTICAL LED is lighted when a signal in the 1290 to 1600 nm wavelengths is present Optical input connectors on the standard PRR are SC APC type common to the cable industry and used for their low loss and back reflection Other connectors most commonly FC APC type are used and may be available see your sales representative for spec...

Страница 7: ...eration is simple with only the RF ADJUST to be configured and once set up for your application the PRR will continued to operate unattended The PRR will return to your set operating condition after power outages and brown outs This manual details the unit specifications describes any issues that may be critical to your instal lation discusses the operation and finally outlines actions if you have...

Страница 8: ...el 20 dB from primary output typ Results typical based 0 dBm Optical Return Receiver input level 2 Optical Performance SPECIFICATION LIMITS Wavelength 1290 1600 nm Input Level 2 to 1 dBm Output Connector SC APC FC APC optional Return Loss 45 dB 3 General SPECIFICATION LIMITS Input Power 90 VAC to 264 VAC at 47 Hz to 63 Hz 30 watt typ Power Cord Standard NEMA 15P to IEC320 male on chassis Special o...

Страница 9: ...t is generally a good practice to leave one open slot approximately 1 3 4 inch between units to allow for cooling and provide maximum reliability From the front of the rack cover any open slots with a blank plate to prevent dust from entering the rack 3 2 Cooling If other equipment is installed in the same rack or nearby racks as the PRR receiver check to ensure that adequate cooling measures have...

Страница 10: ...he rear panel includes a grounding stud at the right side near power input To prevent noise and hum bars in the RF signal please ground this stud to a common ground with the other signal processing equipment After connecting the power cord press the ON OFF switch on the rear panel to on and the unit will begin to operate The front panel POWER LED will light and the ONLINE LEDs will light The OPTIC...

Страница 11: ...ons The PRR has one user adjustment per RF output the RF ADJUST on the front panel ONLINE OPTICAL ADJUST RF RECEIVER 1 Detail of front panel for one receiver 5 1 Setting RF ADJUST You must determine the RF level needed by the equipment receiving the RF signal from each RF OUT port based on that equipment manufacturer s recommendations We recommend using a spectrum analyzer to measure the RF OUT po...

Страница 12: ...onnector at OPTICAL IN bulkhead connector and set aside Exercise care that you do not bend or damage the internal fiber 3 Clean bulkhead connector using standard fiber cleaning tools such as Optipop 2 5mm stick cleaner Slide stick into the bulkhead and scrub contamination of the bulkhead A less effec tive solution is to use canned clean air with nozzle to blow contamination out of the bulk head Do...

Страница 13: ...shipment Should you make an inquiry the RMA number will be required Any communication from the repair facility will identify the product by the RMA number When shipping a product for repair please follow these steps Pack the unit securely Enclose a note describing the problem Enclose a copy of the invoice showing warranty status Make sure the RMA number is on the outside of the box on or near the ...

Страница 14: ...mbly modules and or private label products are limited to the duration and terms of third party vendors warranty Pico Macom shall in no event and under no circumstances be liable or responsible for any consequential indirect incidental punitive direct or special damages based upon breach of warranty breach of contract negligence strict tort liability or otherwise or any other legal theory arising ...

Страница 15: ...or possible inspection by the carrier You must report claims for loss or damage within 3 days of delivery while claims for erroneous charges or price corrections must be presented within 30 days of invoice date Returning Shipped Items To return any shipped items including those shipped for warranty repairs or credit call our Cus tomer Service desk to request a Return Merchandise Authorization RMA ...

Страница 16: ...6260 Sequence Drive San Diego California 92121 PICO MACOM www picomacom com sales picomacom com Phone 858 546 5050 Sales 858 546 5055 Fax 858 546 5051 Printed in the U S A ...

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