JGR sx8 User manual

SX8 Optical Switch
User Manual
All information contained herein is believed to be accurate and is subject to change
without notice. No responsibility is assumed for its use. JGR Optics Inc, 2011.

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IN THIS GUIDE:
IN THIS GUIDE .....................................................................................3
GENERAL INFORMATION.................................................................5
Key Features .................................................................................. 5
Applications ................................................................................... 5
Accessories .................................................................................... 6
Specifications ................................................................................. 6
Compliance .................................................................................... 7
FDA-CDRH Compliance ............................................................. 7
CSA / IEC Compliance ............................................................... 7
GETTING STARTED ............................................................................8
Initial Inspection............................................................................. 8
Operational Requirements .............................................................. 9
Product Overview........................................................................... 9
Front Panel and Key Description................................................ 9
Rear Panel ......................................................................... 10
OPERATION ....................................................................................... 11
Powering Up the Switch ................................................................ 11
User Menu Operation ................................................................... 11
Accessing the User Menu........................................................ 11
Messages and Symbols ................................................................. 13
PROGRAMMING GUIDE.................................................................. 15
Setting up for RS-232 or GPIB communication ................................ 15
Accessing the “User Menu” mode ........................................... 15
JDSU Optical Switch Compatibility ........................................... 15
Programming over GPIB ......................................................... 15
Programming Over RS-232...................................................... 15
Syntax and Style ........................................................................... 16
Program Message Formats ..................................................... 16
Terminating a Program Message ............................................. 16
Command Header Variations .................................................. 16
Specifying the Command Path ................................................ 17
Default Commands ................................................................ 17
Implemented Status Structures ............................................... 18
Queues ........................................................................................ 24
Input Queue ......................................................................... 24
Output Queue ....................................................................... 24
Error Queue ........................................................................ `24
Description of Error Numbers ........................................................ 25
IEEE 488.2 Common Commands and the SCPI Command Tree.......... 26
IEEE 488.2 Common Commands.............................................. 26
SCPI Command Tree ............................................................... 26
Description of Individual Commands .............................................. 28
Common Commands .............................................................. 28

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Status Commands .................................................................. 31
MAINTENANCE AND TROUBLESHOOTING.............................. 39
Maintenance................................................................................ 39
Cleaning the Unit ................................................................... 39
Cleaning the Connector Ends (for Bulkhead Versions only) ........ 39
Cleaning Connectors .............................................................. 39
SAFETY................................................................................................ 41
Safety Symbols ............................................................................. 41
Classification ................................................................................ 42
Safety Instructions........................................................................ 42
Electrical Shock Hazards: ........................................................ 42
Fuse Replacement.................................................................. 42
Disconnecting from Line Power ............................................... 43
Environmental Hazards........................................................... 43
Laser Hazards ........................................................................ 43
Other Hazards........................................................................ 43
STORING AND SHIPPING............................................................... 45
Returning Shipments to JGR Optics ................................................ 45
Contact Information ..................................................................... 45

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1
GENERAL INFORMATION
This user’s manual for the SX8 Series Optical Switch contains complete
operating instructions. The SX8 Series Optical Switch can be ordered as
a single-mode or multimode model. The inspection report and a
description of any customer-requested information can be found in the
Test Report document envelope.
The SX8 Series Optical Switches offer low insertion loss, and very high
stability and repeatability needed to meet the stringent test,
measurement, and manufacturing system requirements.
In addition to manual front panel operation, the SX8 switch may be
operated over the RS-232 serial interface and IEEE 488 GPIB parallel
interface. Please refer to the PROGRAMMING GUIDE section on page 15
for more information.
Key Features
Low IL (0.7 dB)
Up to 360 outputs
Up to 4 inputs
Many configuration possibilities
User friendly
RS-232 serial and IEEE 488 GPIB parallel interface
Applications
High-volume production testing
Multiple device testing
R&D applications

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System compliance testing
Accessories
AC power cord
User’s manual
Test Report
Specifications
The following optical specifications describe the warranted
characteristics of the unit. Supplementary specifications describe the
typical non-warranted performance of the unit.
Table 1: Optical/Electrical Specifications
Parameter
Specification
Single-Mode
Multimode
Wavelength Range
1250 - 1670 nm
840 - 1350 nm
Fiber Type
9/125 μm
50/125 or
62.5/125 μm
Insertion Loss*
0.7 dB
Backreflection
≤ - 60 dB
≤ - 40 dB
PDL
0.05 dB
-
Stability
± 0.03 dB
Repeatability
0.005 dB
Crosstalk (maximum)
-80 dB
Maximum Input Power
300 mW
Switching Time
one channel
each additional channel
300 ms
+12 ms
Input Voltage
100 - 240 V AC, 50 - 60 Hz
Power Consumption
150 VA maximum
Control
Front Panel/GPIB/RS232
* excluding connectors

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Table 2: Other Specifications
Parameter
Specification
Dimensions W x H x D (3U/6U)
48 x 13.5 x 37.5/48 x 27 x 37.5 cm
Weight
15 kg (depending on
configuration)
Operating Temperature
0 to 55 °C
Storage Temperature
-40 to 70 °C
Humidity (Non-condensing)
Maximum 95% RH from 0 to 40 °C
Compliance
FDA-CDRH Compliance
Under the US Food and Drug Administration (FDA) Center for Devices
and Radiological Health (CDRH), the unit complies with the Code of
Federal Regulations (CFR), Title 21, Subchapter J, which pertains to laser
safety and labeling. See the link below for more information.
http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSe
arch.cfm?CFRPartFrom=1000&CFRPartTo=1050
CSA / IEC Compliance
The unit complies with certain standards of the Canadian Standards
Association (CSA) and the International Electrotechnical Commission
(IEC).
The unit is in Installation Category (Overvoltage Category) II under IEC
664. IEC 664 relates to impulse voltage levels and insulation
coordination. The particular category is defined as: local level,
appliances, portable equipment, etc, with smaller transient
overvoltages than Installation Category (Overvoltage Category) III.
The unit is in the Pollution Degree 2 category under IEC 1010-1 and
CAN/CSA-C22.2 No. 1010.1. The IEC standard on Safety Requirements
for Electrical Equipment for Measurement, Control, and Laboratory Use
relates to insulation coordination. The CSA standard is on Safety
Requirements for Electrical Equipment for Measurement Control, and
Laboratory Use, Part I: General Requirements. The Pollution Degree 2
category is defined as follows: “Normally only non-conductive pollution
occurs. Occasionally, however, a temporary conductivity caused by
condensation must be expected.”

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2
GETTING STARTED
Caution
To avoid the risk of injury or death,
always observe the precautions listed in
the SAFETY on page 41.
This user’s manual contains complete operating instructions for the safe
and effective operation of the SX8 Optical Switch. It is recommended
that users of the SX8 familiarize themselves with contents of this
manual.
The inspection report and a description of any customer-requested
information may be found in the calibration document envelope
included with the instrument.
Initial Inspection
Warning
To avoid electrical shock, do not initialize or
operate the unit if it bears any sign of damage.
Ensure that the unit and any devices or cords
connected to it are properly grounded.
Inspect the package and contents for signs of damage.
Ensure all contents are included:
SX8 Series Optical Switch
1 AC power cord
User’s manual
Test report
Read the user’s manual thoroughly, and become familiar with all
safety symbols and instructions to ensure that the unit is operated
and maintained safely.
Ensure the unit is operational:
Connect the unit to the power source using the power cord
provided.
Set the power switch to ON to initialize the SX8 switch, and
observe the power-up sequence. The version number of the

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firmware is displayed. The message “Initializing” is displayed
momentarily.
Set the power switch to OFF and disconnect the switch.
Keep the packaging.
Immediately inform JGR Optics and, if necessary, the carrier if the
contents of the shipment are incomplete, if the unit or any of its
components are damaged or defective, or if the unit does not pass
the initial inspection.
Operational Requirements
In order for the unit to meet the warranted specifications the operating
environment must meet the following conditions for altitude,
temperature, humidity, and voltage.
Table 3: Environmental Requirements
Parameter
Specification
Altitude
Up to 2000 m
Temperature
Range of 0 to 40 °C
Humidity
Up to 95% humidity (0 to 40 °C)
c
Main supply voltage fluctuations must
not exceed ±10% of the nominal voltage
Product Overview
Front Panel and Key Description
The switch front panel will vary with model ordered. Two front panel
key pad configurations are shown in Figure 1 and Figure 2. They are
described in Table 4.
Figure 1: Front of the Switch (Models without SOFT KEYS)

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Figure 2: Front of the Switch (Models with SOFT KEYS)
Table 4: Operating Keys and Status LEDs
Key/LED
Description
I/O
Power ON / OFF switch.
MENU
Used to turn the Menu mode on and off. On models
without the SOFT KEYS, press the MENU key to go to
the next menu option. On models with the SOFT
KEYS, when deeper menu levels are selected, press
the MENU key to step back one level at a time.
LOCAL
Returns the meter back to Local (front panel
operation) mode when operating remotely (with GPIB
or RS-232). On models without the SOFT KEYS, when
in MENU mode, press the LOCAL key to go to the
previous menu option.
MODULE 
Selects the optical switch module.
CHANNEL 
Selects the output channel and adjusts the values in
MENU mode.
SOFT KEYS
When present, used to select the menu options.
Rear Panel
The rear-panel features are described in Table 5.
Table 5: Rear Panel Components
Component
Function
RS-232C
RS-232C serial interface port
IEEE 488 (GPIB)
GPIB (IEEE 488.1) interface port
~LINE
Power Input (also contains the user-replaceable
fuse)