Pico Macom PFR-2 User manual

PFR Owners Manual
PFRSeries Optical Forward 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

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PICO MACOM Fiber Optic Series
This manual is intended for use by purchasers of Pico Macom PFR receiver(s) and their qualified technicians.
This document is the property of Pico Macom. and embodies proprietary subject matter. All design, manufacture,
reproduction, use and sale rights regarding the same are expressly reserved. This manual may not be reproduced
without written consent from Pico Macom. All copyright, patent and trade secrets for this manual, the product,
and its included software are expressly reserved by Pico Macom.
SAFETY CONSIDERATIONS
For user safety, one or more of the caution labels shown here may be affixed 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 procedure or means that refer you to the in-
struction manual for operating or service information. Only qualified service person-
nel are to install or service the equipment. This symbol may also appear in text and
on schematics.
WARNING: To reduce the risk of fire or electrical shock, do not expose this equipment to rain or
moisture.
Pico Macom PFR Optical Forward Receiver
OWNERS MANUAL
CAUTION
RISK OF ELECTRICAL SHOCK
Do Not Open
Avis – Risqué de choc electrique Ne Pas Ouvrir

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IMPORTANT SAFEGUARDS
Pico Macom strongly advises you to read and understand the following safety instructions prior to installing
and operating this equipment.
•Read These Instructions First. All safety and operating instructions should be read before installing or
operating this equipment. Safety and operating instructions should be retained for future reference.
•Retain This Instruction Manual. Safety and operating instructions should be retained for future reference.
•Heed Warnings. All warnings on the equipment and in this Owners Manual should be adhered to.
•Ventilation. Do not block or cover openings in this equipment. These are provided for ventilation and
protection from overheating. Maximum operating ambient temperature is 40°C.
• Power Sources. Operate this equipment only from the type of power source indicated on the rear panel.
CAUTION: For continued protection against risk of fire, replace the fuse (if necessary) with one of
only the same type and rating.
•Grounding or Polarization. This equipment may be equipped with a polarized AC line plug (a plug hav-
ing one blade wider than the other or a different shape). This plug will fit into the power outlet only one
way. This is a safety feature. If you are unable to insert the plug into the outlet, try 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. Unauthorized substitutions may result in fire, electric shock, or im-
proper operation of the unit.
•Cleaning. Unplug the unit from the AC power outlet before cleaning. Do not use liquid or aerosol
cleaners.
•Lightning. For added protection during a lightning storm or when the equipment is left unattended or
unused for long periods, unplug it from the power outlet and disconnect the cables between the equip-
ment and the antenna subsystem. These precautions will prevent damage to the equipment that could be
caused by lightning strikes or power line surges.
•NOTE TO CATV SYSTEM INSTALLERS: This reminder is provided to call your attention to NEC Articles
810-21, 820-22, and 820-40 that provide guidelines for proper grounding. In particular, these articles
specify that the cable ground shall be connected to the building grounding system, as close to the point
of cable entry as practical.
•Optical Output Safety, General. Optical Transmitter units that are used with the PFR receivers may emit
harmful invisible laser radiation. These products may emit harmful laser radiation if powered on and the
case is opened or the beam path is exposed.

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Safety Information:
The PFR Receivers are designed for use with transmitters that have output power levels that are classified
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 opti-
cal instruments (for example, eye loupes, magnifiers and microscopes) within a distance of 100 mm may
pose an eye hazard.

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TABLE OF CONTENTS
Chapter 1 Introduction ..................................................................................................................6
1. Introducing the Pico Macom PFR Optical Forward Receiver ............................................6
Chapter 2 Specifications ................................................................................................................8
1. RF Performance.................................................................................................................8
2. Optical Performance .........................................................................................................8
3. General .............................................................................................................................8
Chapter 3 Installation and Operation ............................................................................................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 ............................................................................................................12
6. Maintenance .....................................................................................................................12
6.1 Decreased Performance Due to Contamination.................................................................12
Chapter 4 Customer Support Information......................................................................................13
1. If You Need Help ..............................................................................................................13
2. Repair Procedure............................................................................................................... 13
3. Claims............................................................................................................................... 13
Warranty........................................................................................................................................14

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Chapter 1
Introduction
1. Introducing the Pico Macom PFR Optical Forward
Receiver
90-264 VAC
47-63
RF OUT 2
LOC IN
RF OUT 1
FUSE
FUSE
FUSE
ON/OFF
FUSE
POWER -5dBm -3dBm -2dBm -1dBm 0dBm 2dBm
OPTICAL POWER DISPLAY
VAR EQL VAR ATT
CATV ROOM OPTICAL RECEIVER
PFR front panel
The Pico Macom PFR Optical Forward Receiver is a 1 RU (1.75 high x 19 inches wide) rack
mountable chassis with one Optical Forward Receiver included. The PFR accepts one optical
fiber input carrying a RF analog signal in the 50 to 860 MHz range. The PFR will output that
RF Signal. The PFR-2 model places that RF signal on two female F-connector outputs and the
PFR-4 places that signal on four RF female F-connector outputs. The PFR-2 and PFR-4 models
are otherwise the same and this manual refers to the PFR to include both models unless specifi-
cally stated as PFR-2 and PFR-4.
The PFR receives a wide range of optical carriers, from 1290 nm to 1600 nm, allowing use
with common 1310 nm and common 1550 nm wavelength 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 output connectors on the standard PFR 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 special ordering.
The PFR outputs RF signals within the 54 to 860 MHz range, using a cable industry standard
F-connector. The RF signal taken from the optical carrier is split into 2 or 4 primary outputs.
This signal may carry analog NTSC modulated carriers or QAM carriers or any mixture of ana-
log and QAM carriers. The signal may be one 6 MHz modulated channel (or less) or up to 134
channels. Each RF output of up to 45 dBmV may be attenuated using front panel adjustments.
There is no AGC in this unit. Each of the 2 or 4 outputs has a rear panel test port at approxi-
mately -20 dBc from the primary outputs, so you may monitor the RF signal without intruding
on the system operation.
The PFR is used with PFT 1310 nm transmitters offered by Pico Macom or with other manu-
facturer’s transmitters to receive up to 130 analog RF channels in a secondary headend or hub
in the downstream portion of a cable broadband distribution plant or to receive point-to-point
signals from an ancillary site (local school or government transmissions) back to a PFR in the
cable master headend. Care is taken in the manufacture to provide the best balance of Carrier-
to-Noise and distortions for NTSC and QAM signals.

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The PFR receiver includes an autoranging power supply and may be installed in 120 or 240 VAC
systems by purchasing an appropriate power cord at the local PC computer shop if the supplied
cord is not appropriate. When powered, the front panel ONLINE LED will be lighted.
Operation is simple, with only the RF ADJUST to be configured and, once setup for your applica-
tion, the PFR will continued to operate unattended. The PFR will return to your set operating condi-
tion after power outages and brown-outs.
This manual details the unit specifications, describes any issues that may be critical to your installa-
tion, discusses the operation and, finally, outlines actions if you have problems with the unit. If you
read and follow the installation and operation chapters, the PFR should provide you years of simple,
reliable operation. In case of difficulty, the PFR is supported by Pico Macom Warranty program.

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Chapter 2
Specifications
1. RF Performance
SPECIFICATION LIMITS
Frequency Range 50 to 860 MHz (EIA channels 2~135)
Connector F-connector, female
Impedance 75 ohm
Output Return Loss > 8 dB
Output RF Level > 45 dBmV
RF Output Control Range > 10 dB
RF Frequency Response (flatness) + 1.5 dB
Carrier–to-Noise Ratio > 50 dBc*
Composite Second Order (CSO) > 60 dBc*
Composite Triple Beat (CTB) > 65 dBc*
Rear Panel Test Port Level -20 dB from primary output, typ.
* Results typical based on 0 dBm Optical Forward Receiver input level.
2. Optical Performance
SPECIFICATION LIMITS
Wavelength 1290-1600 nm
Input Level -3 to +3 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 order possible
Fuse 5MF 500/250V (BEL) (spare in IEC320 socket)
Temperature Range -10 to +50°C (+40°C max. recommended)
Relative Humidity (non-condensing) 0 to 95%
Altitude 0 to 15,000 ft
Weight PFR-2: 7.5 lb./ PFR-4: 8.2 lb.
Size 1 RU (1.75”)H x 19”W x 13”D

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Chapter 3
Installation and Operation
1. Unpacking the Unit
Please inspect the cartons on receipt and note damage to the carton and inspect for possible
unit damage. If damage is found, please contact shipper immediately, before unpacking, to
follow that shipper’s procedure for claims.
Please open the carton and unpack carefully. Locate the power cord. Do not connect a unit
to power if there is serious mechanical damage to prevent possibly unsafe conditions.
2. Before Mounting
The PFR receiver has no internal configuration switches and no internal user adjustments or
controls. To prevent unsafe conditions, please do not open the unit. Opening the PFR re-
ceiver will also void the warranty.
3. Rack Mounting
The unit is designed for installation in an EIA standard 19-inch (480 mm) equipment rack.
3.1 Spacing
It is generally a good practice to leave one open slot (approximately 1 3/4 inch) be-
tween 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 PFR receiver, check
to ensure that adequate cooling measures have been provided for all equipment in the rack.
Do not restrict the airflow through the equipment’s vents on the top cover. The PFR has been
designed to effectively dissipate its own heat, but heat from other rack-mounted compo-
nents may adversely affect the unit, including side exhaust from equipment in the next rack.
3.3 Securing the unit
Slide the PFR receiver in to the rack opening. Please use FOUR mounting screws in the
front panel mounting handles (supplied with unit). Insert one screw in the lower hole on
the left and on the right, and then snug both screws to hold the chassis. Place additional
screws in the upper holes, and screw until snug. Tighten all four screws equally and securely.

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4. Making Rear Panel Connections
90-264 VAC
47-63
RF OUT 2
LOC IN
RF OUT 1
FUSE
FUSE
FUSE
ON/OFF FUSE
POWER -5dBm -3dBm -2dBm -1dBm 0dBm 2dBm
OPTICAL POWER DISPLAY
VAR EQL VAR ATT
CATV ROOM OPTICAL RECEIVER
PFR Forward Receiver Rear Panel
4.1 Power Connection and Initial Power Up
Insert the supplied power cord into the IEC320 male power socket on the chassis. Plug the
opposite end of the cord into your local power source. The PFR includes an autoranging power
supply for power source of 120 or 220 or 240 VAC, 50 or 60 cycles.
• Make sure the power connection includes a third wire ground; please do not use two wire
extension cords between the Mains and the PFR receiver.
• If the power cord supplied does not match your local power sockets, please acquire a
replacement at the local PC computer store with the correct plug. A qualified technician may
cut the supplied plug off the cord, strip the wires and affix an appropriate plug, but please use
a three connection power plug and connect all three wires in the cord.
• The 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 OPTICAL LED should not light until an optical signal is connected.
4.2 Connecting Optical Power Input
Connect the desired optical signal to the OPTICAL IN connector on the rear panel of the PFR.
You may have an incoming fiber or a fiber jumper from a patch panel.
Make sure the fiber connector matches the PFR connector. Standard product uses SC/APC
plastic connectors that are GREEN in color. Do not use a blue SC/UPC connector.
Remove and retain the plug in the rear panel optical bulkhead connector or the cover over the
connector, or lift the hinged lid of the bulkhead connector if so equipped to provide access to
the optical connector.
Prepare the jumper by cleaning the optical tip. Failure to clean the fiber cables inserted into the
PFR receiver will cause dirt to accumulate in the PFR connector and decrease output power.
Failure to clean the Fiber cables beFore insertion into the PFr is considered abuse
and rePairs due to dirty connectors are not covered under warranty.

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Example of a fiber cable cleaner (source: Fiber Instrument Sales, www.fiberinstrumentsales.com)
4.3 RF Output Connections
Connect an RF output coax cable to a rear panel F-connector labeled RF OUT and route to
combiners, transmitters or other equipment which use the RF signal. Install a second for the
PFR-2 and up to 4 for the PFR-4, if desired.
You may monitor each output signal from the rear panel test port. The PFR includes a
-20 dB directional coupler to divert a small amount of the signal from the primary RF OUT to this
output. The -20 dB level is approximate and varies due to parts variations.
5. Front Panel Operations
The PFR has one user adjustment per RF output, the RF ADJUST on the front panel.
90-264 VAC
47-63
RF OUT 2
LOC IN
RF OUT 1
FUSE
FUSE
FUSE
ON/OFF FUSE
POWER -5dBm -3dBm -2dBm -1dBm 0dBm 2dBm
OPTICAL POWER DISPLAY
VAR EQL VAR ATT
CATV ROOM OPTICAL RECEIVER
PFR front panel
90-264 VAC
47-63
RF OUT 2
LOC IN
RF OUT 1
FUSE
FUSE
FUSE
ON/OFF
FUSE
POWER -5dBm -3dBm -2dBm -1dBm 0dBm 2dBm
OPTICAL POWER DISPLAY
VAR EQL VAR ATT
CATV ROOM OPTICAL RECEIVER
PFR front panel detail

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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 port’s level. Connect the
spectrum analyzer to the RF OUT port; note the spectrum analyzer may require 50-75 Ohm
matching and the loss from that matching device must be added to the spectrum analyzer read-
ing.
The PFR, with the RF ADJUST control set to fully clockwise position, will output approximately
45 dBmV. To reduce the output to the desired level, rotate RF ADJUST for the RF OUT port
with the spectrum analyzer to the desired level.
Repeat this process for each RF OUT port that you will be using.
6. Maintenance
The PFR 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 PFR bulk-
head connector and remains when the jumper is removed from the PFR 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. If commercial
tools are not available, a pipe cleaner with isopropyl alcohol may be used. A less effective so-
lution is to use canned (clean) air with nozzle to blow contamination out of the bulkhead. Do
not use cotton swabs which leave cotton 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 PFR immediately.
6. Replace PFR top cover and snug 12 screws. Do not overtighten. 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.

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Chapter 4
Customer Support Information
1. If You Need Help
If you need assistance while working with Pico Macom products, call Pico Macom Field Support
at 858-546-5050 or 1-800 421-6511 between 8 AM and 5 PM Pacific Time. Alternatively, you
may contact us via email at [email protected].
2. Repair Procedure
Pico Macom has established a streamlined process to ensure the rapid return of products when
repair is required.
As a system operator, you must return the unit to Pico Macom for repair.
After speaking with a technician, if a Return Material Authorization (RMA) is deemed neces-
sary, an RMA will be generated to identify the product during the receipt and repair process
and to track the product in work and during return 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 shipping label.
• Ship the unit prepaid to the repair facility indicated by the technician.
3. Claims
Claims for shortages, erroneous charges, or price corrections must be presented within 30
days of invoice date. Freight damage claims should be filed directly with the delivering
carrier within seven days.
NEW and UNOPENED EQUIPMENT may be returned for credit with prior approval from Pico
Macom within 30 days of invoice date. A 20 percent processing and handling charge will be
assessed on any new items returned for credit. Please call our Sales Administrator at the num-
ber above for further information.

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Limited Warranty
Pico Macom warrants to the original purchaser that all of its new products are of sound design, quality
materials and workmanship at the time of manufacture and will be free from related defects for one
year from the original purchase date. Pico Macom will repair or, at its discretion, replace without cost
to the original purchaser, the product which, upon inspection by Pico Macom, appears to be defective
or not conforming to factory specifications. Pico Macom will cover the cost of parts, labor, and return
freight from factory.
Five-Year Limited Warranty
Most products designated as “Headend Electronics” are further covered by an extended 4-year period
beyond the expiration of the original 1-year warranty, for a full 5-year period. Qualified equipment re-
quiring factory repair during the extended 4-year period is covered under our re-certification program.
Re-certification fees under this program shall not exceed 20% of the product’s List Price and whenever
possible, Pico Macom will attempt to upgrade performance to the latest improved specification.
Warranty Limitations
This warranty excludes coverage of damage or inoperability resulting from (1) use or installation other
than in strict accordance with Pico Macom’s written instructions, (2) disassembly or repair by some-
one other than Pico Macom or a Pico Macom authorized repair center, (3) misuse, misapplication or
abuse, (4) alteration, (5) lack of reasonable care or (6) wind, ice, snow, rain, lightning, power surges,
or any other weather conditions or acts of God. Pico Macom’s warranty with respect to third-party pro-
prietary sub-assembly 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 directly or indirectly from the sale, use, installation or failure of any product acquired by
buyer from Pico Macom. This limited warranty extends to the original purchaser. Pico Macom reserves
the right to modify or discontinue this warranty at Pico Macom’s sole discretion without notification.
No other warrantees are expressed or implied.
Uptime Loaner Program
Our Uptime loaner program is designed to provide domestic users of our headend products and
commercial systems the best possible support and service. This program is established to minimize
downtime resulting from equipment failure in critical service situations. We offer this program free of
charge (excluding freight) to qualified purchasers within the warranty period. The program provides a
free equipment loan of like qualified equipment enabling seamless operation for the time required to
repair and return the unit.
The process is simple. Call our Customer Service desk requesting a return-merchandise-authorization
(RMA) number for the failed equipment and ask for a loaner unit. We will issue an invoice for the List
Price of the loaner unit plus shipping costs. When you receive the loaner unit, pack the failed unit in
the loaner unit’s box and ship it freight prepaid to Pico Macom for repair. When you receive the re-
paired unit, a new RMA number will be provided in the box. Carefully pack the loaner unit and affix
the new RMA number on the box and ship it back to us for full credit excluding shipping costs.

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To qualify for the program, you must have current open-terms with us and in good standing. We must
receive your failed unit within one week after the loaner unit is shipped to you, and must likewise
receive the loaner unit within one week after the repaired unit is shipped back to you. Daily rental
fees not to exceed 10% of the equipment’s List Price will apply beyond one week after the loaner or
repaired unit are shipped to you. Other limitations may apply, so please call us for additional informa-
tion on qualifying equipment and procedures. Pico Macom reserves the right to modify or discontinue
the Uptime Loaner Program at any time, and at its sole discretion.
Damage or Shortage Claims
Our shipping staff carefully packs and ships your orders in compliance with common carriers’ require-
ments. Please make note of any obvious damage or shortage on the freight bill or carrier’s receipt next
to your signature. The carrier’s agent must too sign acknowledging the loss. Failure to do so may result
in the carrier’s refusal to honor the claim. Please open your order immediately upon receipt to check
for concealed damage and compare the packing list to the items shipped. If damaged, keep the origi-
nal shipping cartons for 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 Customer
Service desk to request a Return Merchandise Authorization (RMA) number. Please reference the origi-
nal invoice number and purchase date, and product serial number (if any). Be certain to mark the RMA
number on the package boldly and legibly. Unless we specify a different carrier, please ship your
returned items to us via UPS freight prepaid and fully insured. If returned for credit, we will promptly
process your request upon receipt of your return order.
Our Return Policy: Your Satisfaction Guaranteed
Our goal is your complete satisfaction. If for any reason, our products were not quite what you antici-
pated, simply call your customer service rep and we will be happy to assist you in replacing or return-
ing the order. You may return current, non-discontinued items for full credit for up to 30 days from
invoice date. Our requirements are simple: Excepting defective items, the products must be returned in
their original packaging and in re-salable condition. Restocking fees may otherwise apply beyond this
period or if products are not returned in their original condition. Please contact your customer service
rep for more information.

6260 Sequence Drive
San Diego
California 92121
PICO MACOM
www.picomacom.com
[email protected]
Phone: [phone]
Sales: 858.546.5055
Fax: [phone]
Printed in the U.S.A.