Pickering PXI 40-923 User manual

Page (1)
19-SLOT PXI MAINFRAME 40-923
pickering
Issue 2.0 January 2015
User Manual
19-Slot PXI Mainframe
(Model No. 40-923)
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Page (II) 19-SLOT PXI MAINFRAME 40-923
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© COPYRIGHT (2015) PICKERING INTERFACES. ALL RIGHTS RESERVED.
No part of this publication may be reproduced, transmitted, transcribed, translated or stored in any form, or by
any means without the written permission of Pickering Interfaces.
Technical details contained within this publication are subject to change without notice.
ISO 9002
Reg No. FM38792

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19-SLOT PXI MAINFRAME 40-923
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Page (III)
REED RELAY MODULE 40-110/115/120/125
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TECHNICAL SUPPORT
For Technical Support please contact Pickering Interfaces either by phone, the website or via e-mail.
WARRANTY
All products manufactured by Pickering Interfaces are warranted against defective materials and workmanship for a period of
three years, excluding programmable power supplies, from the date of delivery to the original purchaser. Any product found to be
defective within this period will, at the discretion of Pickering Interfaces be repaired or replaced.
Products serviced and repaired outside of the warranty period are warranted for ninety days.
Extended warranty and service are available. Please contact Pickering Interfaces by phone, the website or via e-mail.
ENVIRONMENTAL POLICY
Pickering Interfaces operates under an environmental management system similar to ISO 14001.
Pickering Interfaces strives to full all relevant environmental laws and regulations and reduce wastes and releases to the
environment. Pickering Interfaces aims to design and operate products in a way that protects the environment and the health and
safety of its employees, customers and the public. Pickering Interfaces endeavours to develop and manufacture products that can
be produced, distributed, used and recycled, or disposed of, in a safe and environmentally friendly manner.
Worldwide Technical Support and Product Information
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Germany
Tel: [phone]
E-mail: [email protected]
Sweden
Tel: [phone]
E-mail: [email protected]
USA
Tel: (West) [phone]
Tel: (East) [phone]
E-mail: [email protected]
Czech Republic
Tel: [phone]
E-mail: [email protected]
France
Tel [phone]
E-mail [email protected]
Pickering Interfaces Headquarters
Stephenson Road Clacton-on-Sea CO15 4NL United Kingdom
Tel: [phone]
E-Mail: [email protected]
China
Tel: [phone]
E-mail: [email protected]

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Page (IV) REED RELAY MODULE 40-110/115/120/125
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MEANING / DESCRIPTION SYMBOL
PROTECTIVE EARTH (GROUND)
To identify any terminal which is intended for connection to an external conductor for
protection against electric shock in case of a fault, or the terminal of a protective earth
(ground) electrode.
DANGEROUS VOLTAGE
To indicate hazards arising from dangerous voltages.
WARNING / CAUTION
An appropriate safety instruction should be followed or caution to a potential hazard
exists.
Refer to the relevant instructions detailed within the product manual.
HEAVY
If this product is heavy reference should be made to the safety instructions for
provisions of lifting and moving.
STATIC SENSITIVE
To indicate that static sensitive devices are present and handling precautions should
be followed.
!
kg
SAFETY SYMBOLS
PRODUCT SAFETY
The following safety symbols may be used on the product and throughout the product documentation.

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19-SLOT PXI MAINFRAME 40-923
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CONTENTS
Copyright Statement ...................................................................II
Technical Support and Warranty................................................III
Product Safety .............................................................................IV
Contents (this page)....................................................................V
Warnings and Cautions ..............................................................VII
Section 1
Technical Specication...............................................................1.1
Section 2
General Description ....................................................................2.1
Mechanical Overview ............................................................2.1
Backplane Overview..............................................................2.2
Section 3
Installation....................................................................................3.1
Installing the PXI Chassis.....................................................3.1
Selecting the 10MHz Clock Source......................................3.3
Installing & Identifying a PXI Chassis in NI MAX .................3.4
Installation of Individual Modules........................................3.4
Section 4
Chassis Management System....................................................4.1
Status Indicators ...................................................................4.1
Remote Management ............................................................4.1
Function Reference...............................................................4.6
Section 5
Maintenance.................................................................................5.1
Changing the Fan Filter ........................................................5.1
Appendix A
Rack Mounting The Chassis.......................................................A.1

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19-SLOT PXI MAINFRAME 40-923
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WARNINGS AND CAUTIONS
WARNING - HAZARDOUS ENVIRONMENTS SYMBOL
This product is not specically designed for use in hazardous environments, for example in explosive
atmospheres. If the product is to be used in hazardous environments we recommend that the user
ensures suitable protective measures are taken.
!
WARNING - DANGER OF ELECTRIC SHOCK SYMBOL
This chassis may be populated with modules that contain hazardous voltages. Before removing any
module from the rack remove all supplies and disconnect user I/O signals.
Unused slots in this chassis are populated with blanking plates to prevent access to user I/O signals
that may be present. Blanking panels are available to order from Pickering in a variety of slot widths.
If the product is not used in this manner for example by using an extender card then additional care
must be taken to avoid contact with exposed signals.
CAUTION - HANDLING OF ELECTROSTATIC-SENSITIVE DEVICES SYMBOL
Certain semiconductor devices used in this equipment are liable to damage due to static voltage.
Observe the following precautions when handling these devices in their unterminated state, or
sub-assemblies containing these devices:
1. Persons removing sub-assemblies from equipment using these devices must be earthed by a
wrist strap and a resistor at the point provided on the equipment.
2. Soldering irons used during the repair operations must be low voltage types with earthed tips and
isolated from the mains voltage by a double insulated transformer.
3. Outer clothing worn must be unable to generate static charges.
4. Printed Circuit Boards (PCBs) tted with these devices must be stored and transported in
anti-static bags.
CAUTION - PRODUCT DOCUMENTATION SYMBOL
Suitably qualied & trained users should ensure that the accompanying documentation is fully read
and understood before attempting to install or operate the product.
!
SAFETY INSTRUCTIONS
SAFETY INSTRUCTIONS
All cleaning and servicing requires the equipment to be isolated and disconnected from the power source and user I/O
signals (refer to the Maintenance Section).
• Appropriate manual handling procedures should be followed as dictated by the weight of the individual module or
the combined weight of the modules & chassis.
• Should a fault occur with the module or chassis, immediately isolate and disconnect the incoming power to the
chassis and the user I/O signals.
• Ensure the equipment is installed, operated and maintained by trained and authorised personnel.
• For suitably equipped products in the event of an emergency press the red “emergency stop” button situated on
the front of the unit.

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Page 1.1
19-SLOT PXI MAINFRAME 40-923
pickering SECTION 1 - TECHNICAL SPECIFICATION
SECTION 1 - SPECIFICATION
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40-923
19 Slot PXI Mainframe
●High Performance 19 Slot PXI/cPCI
Backplane
●3 Slot PXI System Controller Compatible
●700W Industrial Grade Power Supply
●Compact Benchtop Footprint
●Integrated Carrying Handles
●Low Profile 4U Rugged Design
●Remote Chassis Monitoring System
●Power, Temperature and Fan Monitoring
LEDs
●Low Audible Operating Noise
●Optional Rack Mounting Kit
●RoHS Compliant
●3 Year Warranty
Pickering Interface 40-923 PXI Chassis is a fully
compliant 19 slot PXI chassis that can accept any 3U
PXI or cPCI module. The chassis is ideal for bench top
use or for use in a rack system.
The 40-923 includes all the features and performance
required by the PXI standard and supports a control
interface or embedded controller and up to 18
additional 3U peripheral modules. The control interface
can be provided by a Pickering’s 41-921 PCI to PXI
interface kit, allowing the chassis to be controlled from
a PC.
The chassis is fitted with a 700W industrial grade
power supply mounted at the rear of the unit with
sufficient capacity to support PXI modules with very
high current demands.
An intelligent chassis management system monitors
the power supply voltage, internal temperature and the
cooling fan speed. The current condition of the chassis
is displayed on front panel status LEDs and can also be
monitored remotely via an RS232 port
Four 68cfm fans insure maximum PXI module cooling
and an efficient direct convection design allows
the chassis to operate over an extended ambient
temperature range of 0ºC to +55ºC.
The low acoustic emissions make the chassis ideal for
applications such as office or laboratory environments
where noise levels are critical. The sound pressure level
varies between 49.7dB and 57.7dB dependant upon
the controlled fan speed which automatically responds
to the internal chassis temperature.
The 40-923 chassis can also be supplied with
mounting brackets for installation into a standard 19”
rack. These brackets are adjustable allowing the chassis
to be recessed by up to 10cm, allowing clearance for
connector blocks and module wiring.
The system slot is compatible with any PC-PXI bridge
and any 3 slot wide PXI controller.
ISSUE 3.0 JUN 2013
40-923 PXI chassis with
63-103-001 optional rack
mounting hardware fitted
allowing the front of the
chassis to be recessed by up
to 10cm in the host rack

Page 1.2 19-SLOT PXI MAINFRAME 40-923
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SECTION 1 - TECHNICAL SPECIFICATION
© Copyright (2013) Pickering Interfaces. All Rights Reserved Pickering Interfaces maintains a commitment to continuous product development, consequently we reserve the right to vary from the description given in this data sheet.
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Physical Parameters
Cardcage: Front loading 3U x 160mm, 19slots,
IEEE 1101.1, 1101.10 and 1101.11
Dimensions: Width: 444mm (17.48”)
Height: 178mm (7.01”)
Depth: 455mm (17.91”)
Weight: 13.4kg (29.5 lbs.),
Safety, CE & RoHS Compliance
All modules are fully CE compliant and meet applicable EU
directives: Low-voltage safety EN61010-1:2001,
EMC Immunity EN61000-6-1:2001, Emissions EN55011:1998.
The 40-923 Chassis also complies with the European
Restriction of Hazardous Substances directive (RoHS).
Product Order Codes
19 Slot, 3U, PXI Chassis 40-923-001
Optional 19 inch rack mounting hardware 63-103-001
PCI to PXI Control Interface Kit 41-921-001-KIT
For full details of our fast PCI to PXI control Interface see
the 41-921 data sheet.
Mating Connectors & Cabling
Please refer to the
Pickering Interfaces
“Connection Solutions”
catalog for a full list of
connector/cabling options,
including drawings, photos
and specifications. This is
available in either print or as
a download.
Alternatively our web site has
dynamically linked connector/
cabling options, including
pricing, for all Pickering PXI
modules.
Latest Details
Please refer to our Web Site for Latest Product Details.
www.pickeringtest.com
Backplane
Number of Slots: 1 system slot, 18 peripheral slots.
System Slot: Accepts any 3 slot or narrower PXI
compatible controller or interface.
Pickering Interfaces recommends the
41-921 interface for remotely controlled
configurations. Particularly, Adlink
controllers are recommended for
applications requiring embedded control.
Bus Design: Incorporates all the features of the PXI
specification Rev 2.2. The backplane is
64-bit with PXI triggers, Star Trigger,
Local Bus & internal PXI clock.
Cooling
Airflow: Bottom intake, rear exhaust.
Per-slot Cooling Capacity: 25W at 55ºC ambient
40W at 40ºC ambient
Fans: 4 off 68cfm fans with filters
Acoustic Emissions
Sound Pressure Level(dBA): Minimum fan speed: 49.7dB
Maximum fan speed 57.7dB
Sound Power (dBA): Minimum fan speed: 59.8dB
Maximum fan speed 69.1dB
Power Supply
Input Voltage Range: 90 - 264Vac full range
Input Voltage Frequency: 47 to 63Hz
Input Current Rating: 12A 115Vac or 6A 230Vac
Supplied with a 700W DC output power supply with the
following capacity:
DC Output Max Current
+3.3V 45A
+5V 50A
+12V 32A
-12V 4.5A
Chassis Monitoring
Front panel LEDs: Power supply status
Cooling fan status
Internal temperature status
Remote Interface: RS232 port on rear panel
Frequency Standard
Source: Either 10MHz PXI compliant internal
standard or external 10MHz standard
applied to rear panel BNC connector.
Mode set by mechanical switch.
Operating/Storage Conditions
Operating Conditions (operating with specified airflow)
Operating Temperature:
Humidity:
0°C to +55°C
10% to 95% non-condensing
Storage and Transport Conditions
Storage Temperature:
Humidity:
-20°C to +70°C
10% to 90% non-condensing

Page 2.1
19-SLOT PXI MAINFRAME 40-923
pickering SECTION 2 - TECHNICAL DESCRIPTION
SECTION 2 - TECHNICAL DESCRIPTION
MECHANICAL OVERVIEW
The 40-923 PXI Chassis comprises the following:
•Full width rack mountable chassis also suitable for desk top operation.
• 19 slot PXI/cPCI compatible backplane, Rev. 2.2 compliant.
•18 peripheral slots.
•System slot accepts controller module up to 3 slots wide.
•700W industrial grade power supply.
•Front panel mounted chassis status LEDs.
• Rear panel mounted 9-pin D-type connector for chassis monitoring and control via RS232.
• Rear panel mounted BNC socket for connection to external 10MHz clock source.
• Rear panel mounted IEC plug for connection to the mains supply.

Page 2.2 19-SLOT PXI MAINFRAME 40-923
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SECTION 2 - TECHNICAL DESCRIPTION
BACKPLANE OVERVIEW
Interoperability with CompactPCI
The 40-923 is designed to be used with both PXI-compatible products and standard CompactPCI products. Its
backplane is compliant with PXI Specication Rev. 2.2.
The signals on Slot 1 of the backplane meet the requirements of the CompactPCI specication for both the peripheral
and system modules.
The PXI-specic signals are located on Slot 2 onwards. Signals that are reserved or not used in the CompactPCI
64-bit specication are used as PXI-specic signals. Therefore, peripheral modules that meet the requirements of
the CompactPCI 64-bit specication will function in the 40-923.
Note: Do NOT install CompactPCI peripheral modules which operate with rear I/O in 40-923 due to the possible
conict between rear I/O signals and PXI-specic signals on J2.
System Controller Slot
The System Controller slot is Slot 1 of the chassis as dened by the PXI specication. The 40-923 chassis can
accommodate a PXI system controller that occupies up to 3 slots width. As dened in the PXI specication, two
controller expansion slots allow the controller to expand to the left.
Star Trigger Slot
The Star Trigger (ST) slot is Slot 2. This slot has dedicated trigger lines between ST slot itself and slots 3-19. The
star trigger functionality is intended to provide a precise trigger signal to the peripheral modules by installing a
specic star trigger controller module in the ST slot. The star trigger slot can be also used as a general peripheral
slot if you do not need the star trigger functionality.
Peripheral Slots
There are 18 peripheral slots in 40-923 (including the Star Trigger controller slot). Each peripheral slot can
accommodate a 3U PXI/CompactPCI peripheral module.
Note: DO NOT install a 3U CompactPCI module with rear I/O function in the 40-923 chassis.
Local Bus
The local bus on a PXI backplane is a daisy-chained bus that connects each peripheral slot with its adjacent
peripheral slots to the left and right. Each local bus has 13 lines and can transmit analog or digital signals between
modules. It can also provide a highspeed side-band communication path that does not affect the PCI bandwidth.
In accordance with the PXI specication, the local bus connects all adjacent slots except slots 1 and 2.
Trigger Bus
The trigger bus is a 8-lines bus that connects all PXI slots in the same PCI segment. The trigger bus can be used to
provide intermodule synchronization mechanism. PXI modules can transmit trigger or clock signals to one another
through trigger bus, allowing precisely timed responses to asynchronous external events the system is monitoring
or controlling.
System Reference Clock
The 40-923 supplies the PXI 10MHz system reference clock (PXI_CLK10) to each peripheral slot for inter-module
synchronization. An independent buffer (having source impedance matched to the backplane and a skew of less
than 1ns between slots) drives the clock signal generated from a high-precision oscillator to each peripheral slot.
This common reference clock signal can be used to frequency synchronize multiple modules in a PXI chassis. The
source of the reference clock for the 40-923 backplane can be selected to be the internal high-precision standard,
the Star Trigger slot or an external clock via the BNC connector on the rear panel. Selection of the clock source is
made using DIP switches as described in Section 3.

Page 2.3
19-SLOT PXI MAINFRAME 40-923
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13 14 15 16 17 18
LOCAL
BUS
LOCAL
BUS
LOCAL
BUS
LOCAL
BUS
LOCAL
BUS
78 9 10 11 12
LOCAL
BUS
LOCAL
BUS
LOCAL
BUS
LOCAL
BUS
LOCAL
BUS
PXI Trigger Bus Segment
& PCI Bus Segment
PXI Trigger Bus Segment
& PCI Bus Segment
LOCAL
BUS
12 3 45 6
LOCAL
BUS
LOCAL
BUS
LOCAL
BUS
LOCAL
BUS
PXI Trigger Bus Segment
& PCI Bus Segment
LOCAL
BUS
10MHz Clock &
Buffer Circuitry
Bridge Bridge
Peripheral Slot
System Controller
Star Trigger Controller
Peripheral Slot
Peripheral Slot
Peripheral Slot
Peripheral Slot
Peripheral Slot
Peripheral Slot
Peripheral Slot
Peripheral Slot
Peripheral Slot
Peripheral Slot
Peripheral Slot
Peripheral Slot
Peripheral Slot
Peripheral Slot
Peripheral Slot
PXI Star Triggers
19
LOCAL
BUS
Peripheral Slot
Figure 2.1 - 40-923 PXI Chassis Bus Routing

Page 2.4 19-SLOT PXI MAINFRAME 40-923
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SECTION 2 - TECHNICAL DESCRIPTION
THIS PAGE INTENTIONALLY BLANK

Page 3.1
19-SLOT PXI MAINFRAME 40-923
pickering SECTION 3 - INSTALLATION
SECTION 3 - INSTALLATION
INSTALLING THE PXI CHASSIS
Site Considerations
The 40-923 is designed to operate on a bench or in an instrument rack. It is supplied tted with feet for bench
top operation but if you want to use your 40-923 in a rack, mounting anges will need to be tted and the feet will
have to be removed. Also it should be noted that there is an air intake in the underside of the chassis therefore it is
important to t the chassis in a 5U gap to provide sufcient cooling.
For the procedure for tting the 63-103-001 rack mounting kit to the chassis, refer to Appendix A.
Figure 3.1 - Front of the 40-923 PXI Chassis congured for bench-top operation
Refer to the Warnings and Cautions at the front of this manual
The chassis is designed for indoor use only.
!
Connecting Safety Ground
WARNING
THE 40-923 CHASSIS IS DESIGNED WITH A THREE-POSITION IEC CONNECTOR THAT CONNECTS
THE GROUND LINE TO THE CHASSIS GROUND. TO MINIMIZE SHOCK HAZARD, MAKE SURE YOUR
ELECTRICAL POWER OUTLET HAS AN APPROPRIATE EARTH SAFETY GROUND THAT IS CONNECTED
WHENEVER YOU POWER UP THE CHASSIS.
IF YOUR POWER OUTLET DOES NOT HAVE AN APPROPRIATE GROUND CONNECTION, YOU MUST
CONNECT THE FACTORY WIRE SAFETY GROUND TO THE CHASSIS. TO CONNECT THE SAFETY
GROUND, COMPLETE THE FOLLOWING STEPS:
1. Connect a 16 AWG (1.3 mm) wire to a chassis grounding screw using a toothed grounding lug. The wire must
have green insulation with a yellow stripe or must be non-insulated (bare).
2. Attach the opposite end of the wire to permanent earth ground using toothed washers or a toothed lug.
!

Page 3.2 19-SLOT PXI MAINFRAME 40-923
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SECTION 3 - INSTALLATION
Figure 3.3 - Rear of the 40-923 LXI Chassis showing air outlet in the upper half of the panel.
The 40-923 expels cooling air through an exhaust vent in the upper half of the rear panel (see Figure 3.3 below).
During installation make sure that this outlet is not restricted in any way, and items such as loose cabling are
secured out of the way.
To maintain the correct internal air ow, ensure that all unused PXI module slots in the chassis have blank front
panels tted.
Fan Speed Setting
The 40-923 uses variable speed fans to adjust the cooling level in the chassis. The normal setting is for the fan
speed to be automatically controlled, this ensures that for low thermal loads and ambient temperatures the fan
speed is slow resulting in low levels of acoustic noise. As the chassis temperature rises the fan’s speed will rapidly
rise to increase the cooling. In some circumstances the fans may cycle between high and low speeds.
For most applications users should use the automatic mode, however, if the chassis includes modules with high
power dissipation, such as powers supplies or very high capacity switches carrying large currents, users may need
to set the fan speed to the permanently high speed setting to lower the stress on the high power module. Using the
high speed setting is particularly important when just a few high thermal load modules are tted since these would
take longer to heat the chassis . The fan speed setting is accessible through the Chassis Management System and
requires the use of a RS232 serial port. Once set the fan speed mode setting is stored and will be automatically set
to the requested mode when power is applied to the chassis.
Cooling Considerations
The chassis draws cooling air through an intake in the underside of the chassis directly below the PXI module
slots (see Figure 3.2). It is important not to block the passage of air into the intake on the chassis underside. When
mounting in a rack, a 1U gap should be provided between the bottom of the chassis and any other instruments to
provide an unrestricted air ow into the 40-923.
Figure 3.2 - Underside of the 40-923 PXI Chassis Showing Air Intake.

Page 3.3
19-SLOT PXI MAINFRAME 40-923
pickering SECTION 3 - INSTALLATION
Figure 3.4 - Location of the DIP switches used
for setting the source of the Reference Clock.
Table 3.1 - DIP switch settings for the
Reference Clock.
SELECTING THE 10MHz REFERENCE CLOCK SOURCE
The PXI reference clock can be used to synchronize the modules hosted by the chassis. The 40-923 can source
the PXI clock from an internal high accuracy oscillator, an external clock reference (via a BNC connector on the
rear panel) or from the star trigger slot. The source of the 10MHz clock is selected with DIP switches on the PXI
backplane. To access these switches the controller module tted at the far left of the chassis must be removed and
the switches set as shown in the gure below.
P1 P2 P3
Built-in 10MHz
Oscillator (default) OFF OFF ON
External 10MHz
Clock Input OFF OFF OFF
PXI_CLK10_IN of
Star Trigger Slot OFF ON OFF

Page 3.4 19-SLOT PXI MAINFRAME 40-923
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SECTION 3 - INSTALLATION
INSTALLING AND IDENTIFYING A PICKERING PXI CHASSIS IN NI MAX
Any non-NI PXI chassis will not be identied by manufacturer and model in MAX unless the appropriate les are
added to the controller system.
This lack of identication is not usually a problem, the chassis will appear as (Unidentied) in the MAX list, but this
should not affect its performance in any way.
In order to make MAX fully identify a Pickering chassis, follow these instructions:
If you are obtaining the conguration ini les from the Pickering “Software Installation” disk then ignore steps 1, 2 and
6a, alternatively if you are downloading these les ignore step 6b.
1. Copy the required .ini le from the download location to your PC using the following link:
http://www.pickeringtest.info/downloads/drivers/Chassis/
2. Copy the les to any convenient location on your PC, for example to the Desktop.
3. Launch MAX and expand: My System, Devices and Interfaces, PXI System.
4. The Pickering chassis will appear in the list followed by the word (Unidentied).
5. Right click on the entry and select: Identify As.
6a. Select the entry appropriate for the chassis, if it is not present, then select “Other” and browse to the location
of the le downloaded above.
6b. Select the entry appropriate for the chassis, if it is not present, then select “Other” and browse to the location
of your chassis .ini le on the Pickering “Software Installation” Disk, in the folder: “\Drivers_PXI\PXI Chassis
Identication”.
7. Change the le lter to “All Files (*.*)” and select the appropriate ini le.
8. The chassis should now be correctly identifed in MAX.
INSTALLATION OF INDIVIDUAL MODULES
Please refer to the module user manual for the correct installation procedure of individual PXI modules.

Page 4.1
19-SLOT PXI MAINFRAME 40-923
pickering SECTION 4 - CHASSIS MANAGEMENT SYSTEM
SECTION 4 - CHASSIS MANAGEMENT SYSTEM
STATUS INDICATORS
The 40-923 has a built in management system that monitors the internal chassis temperature and varies the fan
speed accordingly. The system also monitors the power supply’s voltage rails and speed of the fans and indicates
the chassis’ status on three front panel LEDs. The meaning of these LEDs is outlined in the table below.
When the management system detects a fault condition, as well as indicating the chassis status by blinking the
appropriate LED, an audible alarm is also triggered. This alarm can be defeated by pressing the recessed Reset
button on the top right of the chassis front panel between the LEDs and the power switch. It should be noted that
operating the reset only silences the alarm, and the cause of the fault should be rectied for continued correct
operation of the chassis. The position of the LEDs and the Reset button is shown below.
LED Status
Name Color On Off Blinking
Power Blue DC voltage
supplies are normal
No DC power is
supplied
5V or 3.3V is outside the ±7% range,
12V or -12V is outside the ±12% range
Fan Green Fans are operating
normally The system is off Any of the fans is operating at a speed lower than 500 RPM
Temp Amber
The chassis
temperature is
normal
The system is off Chassis temperature exceeds 50ºC
The status information can also be accessed via the RS232 port on the chassis’ rear panel. This remote monitoring
and control interface is described in the following section.
REMOTE MANAGEMENT
The 40-923 chassis provide an advanced remote monitoring and control function. The chassis status, including
internal temperature, fan speed, and DC voltages, are exported via a standard RS-232 port located in the rear side
allowing you to monitor the system on a remote computer. You may also use a remote computer to turn the system
on or off through the monitoring port by sending software commands.
To remotely monitor and control the 40-923, you need to connect the remote monitoring port to a remote computer
using a standard RS-232 cable with 9-pin D-type connectors.
Note: The remote monitor port is Rx-Tx/Tx-Rx crossed. You need to use a RS-232 cable which is Rx-Rx/Tx-Tx
connected for the remote monitoring function.

Page 4.2 19-SLOT PXI MAINFRAME 40-923
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SECTION 4 - CHASSIS MANAGEMENT SYSTEM
Installing the Monitor Utility
You can nd a setup le to install the remote monitoring utility and function library in the supplied CD.
To install the monitoring utility:
1. Connect a USB CD-/DVD-ROM drive to the system controller.
2. Place the supplied CD in the optical drive.
3. Locate the monitoring utility in this folder:
X:\Drivers\PXI chassis Monitor (system 40)\pxi_monitor_setup
when using autorun or:
X:\Drivers_PXI\PXI Chassis Monitor\pxi_monitor_setup
when in folder view (where X: denotes your CD-ROM drive).
4. Double-click on the Setup.exe le to begin installation.
Monitoring the 40-923
Using the Monitor Utility
Pickering provides a GUI program (PXISRemoteMonUtil.exe) tomonitor the status of the 40-923 by a remote
computer.
To monitor the system using the monitor utility:
1. Make sure you have proper connection between remote monitoring port of the 40-923 and a remote
computer.
2. Launch the PXISRemoteMonUtil.exe on the remote computer.
3. Select the COM port on the remote computer connected to the 40-923 (COM1, for example).