Newport MPSN Series Manuale utente
Fiber Optic Prism Switch
USER’S
MANUAL
ii Preface
Warranty
Newport Corporation warrants this product to be free
from defects in material and workmanship for a period
of one year from the date of shipment. If found to be
defective during the warranty period, the product will
either be repaired or replaced at Newport's option.
To exercise this warranty, write or call your local
Newport office or representative, or contact Newport
headquarters in Irvine, California. You will be given
prompt assistance and return instructions. Send the
instrument, transportation prepaid, to the indicated
service facility. Repairs will be made and the
instrument returned transportation prepaid. Repaired
products are warranted for the balance of the original
warranty period or at least 90 days.
Limitation of Warranty
This warranty does not apply to defects resulting from
modification or misuse of any product or part. This
warranty also does not apply to fuses, batteries, or
damage from battery leakage.
This warranty is in lieu of all warranties, expressed or
implied, including any implied warranty of
merchantability or fitness for a particular use. Newport
Corporation shall not be liable for any indirect, special,
or consequential damages.
First Printing September 1999
Copyright 1999 by Newport Corporation, Irvine, CA.
All rights reserved. No part of this manual may be
reproduced or copied without the prior written
approval of Newport Corporation.
Preface iii
This manual has been provided for information only
and product specifications are subject to change
without notice. Any change will be reflected in future
printings.
1999 Newport Corporation
1791 Deere Ave.
Irvine, CA 92606
(949) 863-3144
P/N 28989-01, Rev. A (IN-06999) (9/99)
iv Preface
Table of Contents
Warranty...............................................................ii
Limitation of Warranty.........................................ii
Section 1 - Introduction......................................1-1
1.1 Scope ..........................................................1-1
1.2 Safety Considerations.................................1-1
1.3 Convention and Symbols............................1-2
1.3.1 Safety and General Symbols/
Definitions ...................................1-2
1.3.2 Terminology.................................1-2
1.4 Product Overview.......................................1-4
Section 2 – Switch Control.................................2-1
2.1 Non-Latching Two-Pin Control .................2-2
Section 3 - Specifications....................................3-1
3.1 Housing Dimensions ..................................3-2
Section 4 – Handling Fiber Optic Components
and Cables...........................................................4-1
4.1 Handling Fiber Optic Cables......................4-1
4.2 Storing Optical Connectors ........................4-2
4.3 Cleaning Optical Connectors......................4-2
4.4 Mating Optical Connectors.........................4-3
Section 5 – Factory Service................................5-1
Preface v
List of Figures
Figure 1.1 – Fiber Optic Prism Switch...................................................................1-4
Figure 2.1 – Two-Pin Control Electrical Schematic...............................................2-2
Figure 3.1 – Housing Dimensions for 1x2 Prism Switch........................................3-2
Figure 3.2 – Housing Dimensions for 2x2 Prism Switch........................................3-3
Figure 4.1 – Fiber Optic Component......................................................................4-2
List of Tables
Table 2.1 – Switch Control......................................................................................2-1
Table 2.2 – Switch Control......................................................................................2-2
Table 3.1 – Optical Specifications...........................................................................3-1
Table 3.2 – Electrical Specifications.......................................................................3-1
Table 3.3 – Environmental Specifications...............................................................3-2
Table 5.1 – Technical Customer Support Contacts.................................................5-1
vi Preface
Section 1 - Introduction 1- 1
Section 1
Introduction
1.1 Scope
This manual provides descriptions and operating
information for the Fiber Optic Prism Switch.
Section 1, Introduction includes safety
considerations, conventions and definitions, and a
product overview.
Section 2, Switch Control includes specific
information, non-latching two-pin control description
and schematic, and related tables.
Section 3, Specifications defines product optical,
electrical, environmental specifications, and housing
dimensions for the 1x2 and 2x2 Prism Switch.
Section 4, Handling Fiber Optic Components and
Cables for the product are defined, and also storing,
cleaning, and mating of optical connectors.
Section 5, Factory Service information and a service
form are included.
1.2 Safety Considerations
The following general safety precautions must be
observed during all phases of operation of the product.
Failure to comply with these precautions or with
specific warnings elsewhere in this manual violates
safety standards of design, manufacture, and intended
use of the product.
1- 2 Section 1 - Introduction
To protect the product from damage and avoid
hazardous situations, follow these recommendations:
•Do not make modifications to the product.
•Return the product to Newport Corporation for
service and repair.
•Keep liquids away from the product.
•Do not expose the product to excessive moisture
(>90% humidity).
1.3 Conventions and Symbols
This section provides a list of symbols and their
definitions, and commonly used terms found in the
manual.
1.3.1 Safety and General Symbols/Definitions
The following is a definition of safety and general
symbol used in this manual.
____________________________________________
CAUTION
____________________________________________
1.3.2 Terminology
The following is a brief description of the terms
specific to the Fiber Optic Prism Switch.
Bandwidth The range of operating
wavelengths over which
performance parameters are
specified.
Calls attention to a procedure,
practice, or condition which, if
not correctly adhered to, could
result in damage to the product
(e.g., refer to accompanying
documents).
Section 1 - Introduction 1- 3
Directivity The ratio of the power returned
to any other input port to the
launched power, expressed in
dB.
Excess Loss The ratio of the total power at
all output ports to the launched
power, expressed in dB.
Isolation The ratio of the power at an
output port in the transmitted
wavelength band to that in the
extinguished wavelength band.
Non-Latching These style of switches require
no power to maintain one
position and a constant +5 VDC
drive current to maintain the
other position.
Polarization-Dependent
Loss (PDL) The maximum (peak to peak)
variation in insertion loss as the
input polarization varies,
expressed in dB.
Port Configuration Number of input ports x number
of output ports (e.g., 2x2).
Return Loss The ratio of the power returned
to the input port to the launched
power expressed in dB.
Uniformity The difference between
maximum and minimum
insertion losses.
1- 4 Section 1 - Introduction
1.4 Product Overview
Newport's 1x2 and 2x2 Prism Switch provides channel
selection from one or two input fibers to two output
fibers, using a moving prism between fixed
collimators.
Newport's 1x2 and 2x2 switches are actuated
electrically and require +5 VDC to switch position.
The switches are housed in a compact,
environmentally stable package designed for mounting
on printed circuit boards or within a module.
Key Features:
•Single and multimode fiber optic switch design
•1x2 and 2x2 configurations are available
•Low insertion loss and low back reflection
•High durability – greater than 10 million cycles.
Figure 1.1: Fiber Optic Prism Switch
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