User Manual
Keysight Instrument Rack
E7590A- 1.3 m
E3661B- 1.6 m
E3662B- 2.0 m
Notices
© Keysight Technologies, Inc. 2015
No part of this manual may be reproduced in any form or by any means
(including electronic storage and retrieval
or translation into a foreign language)
without prior agreement and written consent from Keysight Technologies, Inc. as
governed by United States and international copyright laws.
Manual Part Number
5967-9318
Edition
Third Edition, August 2015
Printed in
Malaysia
Published by
Keysight Technologies, Inc.
900 S. Taft Ave.
Loveland, CO 80537 USA
Trademarks
PICMG®, Compact PCI® are registered
trademarks of the PCI Industrial Computer Manufacturers Group.
AdvancedTCA
trademarks of the PCI Industrial Computer Manufacturers Group.
PCI-SIG®, PCI Express®, and PCIe
registered trademarks of PCI-SIG.
®
and ATCA are registered
®
are
Technology Licenses
The hardware and/or software described
in this document are furnished under a
license and may be used or copied only in
accordance with the terms of such
license.
Declaration of Conformity
Declarations of Conformity for this product and for other Keysight products may
be downloaded from the Web. Go to
http://keysight.com/go/conformity.
You can then search by product number
to find the latest Declaration of Conformity.
U.S. Government Rights
The Software is “commercial computer
software,” as defined by Federal Acquisition Regulation (“FAR”) 2.101. Pursuant
to FAR 12.212 and 27.405-3 and Department of Defense FAR Supplement
(“DFARS”) 227.7202, the U.S. government acquires commercial computer
software under the same terms by which
the software is customarily provided to
the public. Accordingly, Keysight provides the Software to U.S. government
customers under its standard commercial
license, which is embodied in its End
User License Agreement (EULA), a copy
of which can be found at http://
www.keysight.com/find/sweula. The
license set forth in the EULA represents
the exclusive authority by which the U.S.
government may use, modify, distribute,
or disclose the Software. The EULA and
the license set forth therein, does not
require or permit, among other things,
that Keysight: (1) Furnish technical information related to commercial computer
software or commercial computer software documentation that is not customarily provided to the public; or (2)
Relinquish to, or otherwise provide, the
government rights in excess of these
rights customarily provided to the public
to use, modify, reproduce, release, perform, display, or disclose commercial
computer software or commercial computer software documentation. No additional government requirements beyond
those set forth in the EULA shall apply,
except to the extent that those terms,
rights, or licenses are explicitly required
from all providers of commercial computer software pursuant to the FAR and
the DFARS and are set forth specifically
in writing elsewhere in the EULA. Keysight shall be under no obligation to
update, revise or otherwise modify the
Software. With respect to any technical
data as defined by FAR 2.101, pursuant
to FAR 12.211 and 27.404.2 and DFARS
227.7102, the U.S. government acquires
no greater than Limited Rights as defined
in FAR 27.401 or DFAR 227.7103-5 (c), as
applicable in any technical data.
Warranty
THE MATERIAL CONTAINED IN THIS
DOCUMENT IS PROVIDED “AS IS,” AND
IS SUBJECT TO BEING CHANGED,
WITHOUT NOTICE, IN FUTURE EDITIONS. FURTHER, TO THE MAXIMUM
EXTENT PERMITTED BY APPLICABLE
LAW, KEYSIGHT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED,
WITH REGARD TO THIS MANUAL AND
ANY INFORMATION CONTAINED
HEREIN, INCLUDING BUT NOT LIMITED
TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE. KEYSIGHT
SHALL NOT BE LIABLE FOR ERRORS OR
FOR INCIDENTAL OR CONSEQUENTIAL
DAMAGES IN CONNECTION WITH THE
FURNISHING, USE, OR PERFORMANCE
OF THIS DOCUMENT OR OF ANY INFORMATION CONTAINED HEREIN. SHOULD
KEYSIGHT AND THE USER HAVE A SEPARATE WRITTEN AGREEMENT WITH
WARRANTY TERMS COVERING THE
MATERIAL IN THIS DOCUMENT THAT
CONFLICT WITH THESE TERMS, THE
WARRANTY TERMS IN THE SEPARATE
AGREEMENT SHALL CONTROL.
Keysight Technologies does not warrant
third-party system-level (combination of
chassis, controllers, modules, etc.) performance, safety, or regulatory compliance unless specifically stated.
Safety Information
A CAUTION denotes a hazard. It calls
attention to an operating procedure or
practice that, if not correctly performed or adhered to, could result in
damage to the product or loss of
important data. Do not proceed
beyond a CAUTION notice until the
indicated conditions are fully understood and met.
A WARNING denotes a hazard. It calls
attention to an operating procedure or
practice, that, if not correctly performed
or adhered to, could result in personal
injury or death. Do not proceed beyond a
WARNING notice until the indicated
conditions are fully understood and met.
ii
Safety Information
The following general safety precautions must be observed during all
phases of operation of this instrument.
Failure to comply with these precautions or with specific warnings or operating instructions in the product
manuals violates safety standards of
design, manufacture, and intended use
of the instrument. Keysight Technologies assumes no liability for the customer's failure to comply with these
requirements.
General
Do not use this product in any manner not
specified by the manufacturer. The protective features of this product must not be
impaired if it is used in a manner specified in
the operation instructions.
Before Applying Power
Verify that all safety precautions are taken.
Make all connections to the unit before
applying power. Note the external markings
described under “Safety Symbols”.
Ground the Instrument
Keysight chassis’ are provided with a
grounding-type power plug. The
instrument chassis and cover must be
connected to an electrical ground to
minimize shock hazard. The ground pin
must be firmly connected to an electrical ground (safety ground) terminal at
the power outlet. Any interruption of
the protective (grounding) conductor
or disconnection of the protective
earth terminal will cause a potential
shock hazard that could result in personal injury.
Do Not Operate in an Explosive
Atmosphere
Do not operate the module/chassis in
the presence of flammable gases or
fumes.
Do Not Operate Near Flammable
Liquids
Do not operate the module/chassis in
the presence of flammable liquids or
near containers of such liquids.
Cleaning
Clean the outside of the Keysight module/chassis with a soft, lint-free,
slightly dampened cloth. Do not use
detergent or chemical solvents.
Do Not Remove Instrument Cover
Only qualified, service-trained personnel who are aware of the hazards
involved should remove instrument
covers. Always disconnect the power
cable and any external circuits before
removing the instrument cover.
Keep away from live circuits
Operating personnel must not remove
equipment covers or shields. Procedures involving the removal of covers
and shields are for use by servicetrained personnel only. Under certain
conditions, dangerous voltages may
exist even with the equipment
switched off. To avoid dangerous electrical shock, DO NOT perform procedures involving cover or shield removal
unless you are qualified to do so.
DO NOT operate damaged
equipment
Whenever it is possible that the safety
protection features built into this product have been impaired, either through
physical damage, excessive moisture,
or any other reason, REMOVE POWER
and do not use the product until safe
operation can be verified by servicetrained personnel. If necessary, return
the product to an Keysight Technologies Sales and Service Office for service and repair to ensure the safety
features are maintained.
DO NOT block the primary
disconnect
The primary disconnect device is the
appliance connector/power cord when
a chassis used by itself, but when
installed into a rack or system the disconnect may be impaired and must be
considered part of the installation.
Do Not Modify the Instrument
Do not install substitute parts or perform any unauthorized modification to
the product. Return the product to an
Keysight Sales and Service Office to
ensure that safety features are maintained.
In Case of Damage
Instruments that appear damaged or
defective should be made inoperative
and secured against unintended operation until they can be repaired by
qualified service personnel
Do NOT block vents and fan exhaust:
To ensure adequate cooling and ventilation, leave a gap of at least 50mm
(2") around vent holes on both sides of
the chassis.
Do NOT operate with empty slots: To
ensure proper cooling and avoid damaging equipment, fill each empty slot
with an AXIe filler panel module.
Do NOT stack free-standing chassis:
Stacked chassis should be rackmounted.
All modules are grounded through the
chassis: During installation, tighten
each module's retaining screws to
secure the module to the chassis and
to make the ground connection.
Operator is responsible to maintain
safe operating conditions. To ensure
safe operating conditions, modules
should not be operated beyond the
full temperature range specified in the
Environmental and physical specification. Exceeding safe operating conditions can result in shorter lifespan,
improper module performance and
user safety issues. When the modules
are in use and operation within the
specified full temperature range is not
maintained, module surface temperatures may exceed safe handling conditions which can cause discomfort or
burns if touched. In the event of a
module exceed ing the full temperature range, always allow the module
to cool before touching or removing
modules from the chassis.
iii
Safety Symbols
A CAUTION denotes a hazard. It
calls attention to an operating
procedure or practice, that, if not
correctly performed or adhered to
could result in damage to the
product or loss of important data.
Do not proceed beyond a CAUTION notice until the indicated
conditions are fully understood
and met.
A WARNING denotes a hazard. It
calls attention to an operating
procedure or practice, that, if not
correctly performed or adhered to,
could result in personal injury or
death. Do not proceed beyond a
WARNING notice until the indicated conditions are fully understood and met.
Products display the following symbols:
Warning, risk of electric
shock
Refer to manual for additional safety information.
Earth Ground.
Chassis Ground.
Alternating Current (AC).
Standby Power. Unit is not
completely disconnected
from AC mains when
switch is in standby.
Antistatic precautions
should be taken.
The CSA mark is a registered trademark of the Canadian Standards Association and indicates compliance to
the standards laid out by them. Refer
to the product Declaration of Conformity for details.
Notice for European Community: This
product complies with the relevant
European legal Directives: EMC Directive (2004/108/EC) and Low Voltage
Directive (2006/95/EC).
The Regulatory Compliance Mark
(RCM) mark is a registered trademark.
This signifies compliance with the Australia EMC Framework regulations
under the terms of the Radio Communication Act of 1992.
ICES/NMB-001 indicates that this ISM
device complies with the Canadian
ICES-001.
This symbol represents the time period
during which no hazardous or toxic
substance elements are expected to
leak or deteriorate during normal use.
Forty years is the expected useful life
of this product.
South Korean Class A EMC Declaration. this equipment is Class A suitable
for professional use and is for use in
electromagnetic environments outside
of the home.
Waste Electrical and
Electronic
Equipment (WEEE)
Directive
2002/96/EC
This product complies with the WEEE
Directive (2002/96/EC) marking
requirement. The affixed product label
(see below) indicates that you must not
discard this electrical/electronic product in domestic household waste.
Product Category: With reference to
the equipment types in the WEEE
directive Annex 1, this product is classified as a “Monitoring and Control
instrumentation” product.
Do not dispose in domestic household
waste.
To return unwanted products, contact
your local Keysight office for more
information.
CAT I
CAT II
CAT III
CAT IV
For localized Safety Warnings, Refer
to Keysight Safety document (p/n
9320-6792).
IEC Measurement Category I, II, III, or IV
iv
Contents
Safety and Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Safety Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Leakage Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Power Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Cabinet Stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Acoustics - (Germany). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Intended Use of Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical and Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . 10
Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Ventilation and Heat Dissipation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Cable Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Standard Racks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Side Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Rear Door. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Mounting Columns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Support Rails . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Rack Lifting Hooks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Anti-tip Stabilizer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Casters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Levelers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
PDU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
PDU Install Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Extractor Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Filler Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Ballast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Monitor Mount Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Support Rails . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
VXI Rail. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Non-Keysight Rail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Set Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Floor Space and Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Rack Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Equipment Installation Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Cooling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Weight and Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Slide-Mounted Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Work Surface/Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Acoustic Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Estimating Total Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Receiving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Keysight Instrument Rack E7950A-2 1.3m E3661B-1.6m E3662B-2.0 v
Unpacking and Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Repackaging the Rack for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Removal and Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Rear Door Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Rear Door Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Top Cap Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Top Cap Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Side Cover Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Side Cover Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Forehead Assembly Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Forehead Assembly Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Base Cover Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Base Cover Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Anti-tip Stabilizer Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Anti-tip Stabilizer Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Rear Door Hinge Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Rear Door Hinge Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Rail Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Rail Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Leveler or Caster Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Leveler or Caster Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Ballast Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Ballast Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Door Bumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
vi Keysight Instrument Rack E7950A-2 1.3m E3661B-1.6m E3662B-2.0
Safety and Regulatory Information
Safety and Regulatory Information
For your protection, this product has been tested for conformance to various
national and international regulations and standards. The scope of this
regulatory testing includes electrical and mechanical safety, electromagnetic
emissions, immunity, ESD, acoustics, and hazardous materials.
Where required, certifications are obtained from third party test agencies.
Certification marks appear on the product label. In addition, various regulatory
bodies require information under the headings below.
Please refer to the Safety Information guide provided with the instrument rack
for additional important information.
This product and related documentation must be reviewed for familiarization
with safety markings and instructions before operation.
The WARNING sign denotes a hazard. It calls attention to a
procedure, practice, or situation which, if not done correctly or
adhered to, could result in injury. Do not proceed beyond a
WARNING sign until the indicated conditions are fully understood
and met.
Safety Warnings
The following warnings and cautions are applicable to all Keysight racks. Please
observe all safety precautions and warnings.
Grounding
This product has not been evaluated for connection to an IT power system, an
AC distribution system having no direct connection to earth (ground), according
to EN60950.
The CAUTION sign denotes a hazard. It calls attention to an
operating procedure, practice, or situation which, if not done
correctly or adhered to, could damage or destroy part or the entire
product. Do not proceed beyond a CAUTION sign until the
indicated conditions are fully understood and met.
7
This is a safety class I product and has a protective earthing
(grounding) terminal. There must be an un-interruptible safety
earth ground from the main power source to the product's input
wiring terminals, power cord, or supplied cord set. Whenever it is
likely that the protection has been impaired, disconnect the
power cord until the ground has been restored.
Leakage Current
Due to types of products that can be installed in this cabinet, there
is a risk of high leakage current (3.5 mA). Reliable ground circuit
continuity is vital for safe operation of this product. To reduce the
risk of electric shock, earth (ground) connection is essential before
connecting the power supply. Never operate this cabinet with the
ground conductor disconnected.
Safety and Regulatory Information
Power Limitations
To reduce the risk of overload, do not load any single PDU with
more than a maximum of 16 Amperes. In addition, do not load a
single NEMA 5-15 or IEC-320 receptacle with more than 15
Amperes.
Cabinet Stability
To reduce the risk of cabinet instability, install counter ballast at
the bottom-rear of the cabinet before installing any computer
components.
To reduce the risk of cabinet instability, fully extend the stabilizer
before extending any devices. Extend only one device at a time. Do
not stand or sit on any extended device. Qualified service
personnel should do all non-operator servicing.
Acoustics - (Germany)
Acoustic noise (a weighted sound pressure level LpA) measured at the operator's
position, normal operation to ISO 7779.
8 Keysight Instrument Rack E7950A-1.3m E3661B-1.6m E3662B-2.0
Laemangabe (Schalldruckpegel LpA) gemessen an Arbeitsplatz bei normalem
Betrieb nach DIN 45635, Teil 19.
Accessories
With extractor fan accessory: 61 dB (LpA) For information about rack accessories
and compatibility, see the Keysight Enclosures Solutions Product Catalog at
www.keysight.com/find/racks on the Web, or contact your Keysight Sales
Representative.
This product is designed for use with specific electrical accessories (i.e., PDUs
and fans). The use of any other accessory is not recommended or supported.
This product is designed for use with specific electrical accessories
(i.e., PDUs and fans). The use of any other accessory is not
recommended or supported.
Do not attempt to open or repair the Power Distribution Unit
(PDU). There are no replaceable parts inside the PDU. If the
power cord or switch cord is frayed, cut, or damaged, replace the
entire PDU.
Intended Use of Equipment
The Keysight E7590A, E3661B, and E3662B Instrument Racks are intended to be
used, along with the recommended accessories, for the installation of standard
19-inch rack mounted instruments from Keysight and other manufacturers.
Cleaning
Disconnect the power from the instrument rack before cleaning the instrument
rack and accessories. Use only a damp cloth to clean the surfaces of the
instrument rack and accessories.
Keysight Instrument Rack E7950A-1.3m E3661B-1.6m E3662B-2.0 9
Description
Electrical and Environmental Specifications
Description
The Keysight 19-inch Electronics Industries Association (EIA) racks, options, and
accessories are designed specifically to meet the needs of instrumentation
customers and make installing devices in rack mounting systems simple.
The instrument racks consist of a welded, cold-rolled steel frame with removable
top, sides, and rear door, casters, leveling feet and an anti-tipping mechanism as
shown in Figure 1. Internally, rails that hold your equipment lock into slots in the
vertical mounting columns. These plus keyed slots provide for quick and
accurate placement.
The electrical and environmental specifications for the instrument racks, shown
in the table below, depend on the power distribution unit (PDU) option selected:
Option AW1:No PDU
Option AW3:100-120V, 50/60 Hz PDU Option AW5:200-240V, 50/60 Hz PDU
Model
Number
Input -
Output
Operating
Temperature
Operating
Humidity
E3661B-AW1
E3662B-AW1
E7590A-AW1
-
0° C to 55° C 0° C to 55° C 0° C to 55° C 0° C to 55° C 0° C to 55° C
5% to 80%
RH,
noncondensing
E7590A-AW3 E7590A-AW5 E3661B-AW3
E3662B-AW3
100-120V,
50/60 Hz
100-120V,
50/60 Hz,
16A
1-IEC 320
C13
Receptacle
5-NEMA
5-15R
Receptacles
5% to 80%
RH,
noncondensing
200-240V,
50/60 Hz
200-240V,
50/60 Hz,
16A
6-IEC 320
C13
Receptacles
5% to 80%
RH,
noncondensing
100-120V,
50/60 Hz
100-120V,
50/60 Hz,
16A
1-IEC 320
C13
Receptacle
9-NEMA
5-15R
Receptacles
5% to 80%
RH,
noncondensing
E3661B-AW5
E3662B-AW5
200-240V,
50/60 Hz
200-240V,
50/60 Hz,
16A
1-IEC 320
C19
Receptacle
10-IEC 320
C13
Receptacles
5% to 80%
RH,
noncondensing
Operating
Environment
10 Keysight Instrument Rack E7950A-1.3m E3661B-1.6m E3662B-2.0
Indoor
Location
Indoor
Location
Indoor
Location
Indoor
Location
Indoor
Location
100-120V, 50/60 Hz racks (Option AW3) are supplied with a
power cord terminated with a NEMA 5-20P plug to fit a 20A
receptacle.
200-240V, 50/60 Hz racks (Option AW5) are supplied without a
power plug—the PDU power cord is un-terminated. The installer
must install the correct plug for the country of installation.
All racks (Option AW3 or AW5) must be connected to a dedicated
20A circuit.
Physical Specifications
The physical specifications for the racks are listed below.
Rack Height Wid th Depth Weight
E7590A 1.3 m / 51.9 in .6 m/23.6 in .905 m/35.6 in 140.6 kg/310 lbs
E3661B 1.6 m / 63.8 in .6 m/23.6 in .905 m/35.6 in 161 kg/355 lbs
E3662B 2.0 m / 79.5 in .6 m/23.6 in .905 m/35.6 in 177 kg/390 lbs
All rack models can be loaded with a total of 1800 pounds of equipment.
Figure 1 Exploded view of Keysight Rack
Keysight Instrument Rack E7950A-1.3m E3661B-1.6m E3662B-2.0 11
Description
Dimensions
The side view in Figure 2 shows valid dimensions for the E7590A, E3661B and
E3662B.
Figure 2 Side View of Top of Rack with Installed Components
The dimensions of the E7590A are shown in Figures 3. All dimensions are in
millimeters.
12 Keysight Instrument Rack E7950A-1.3m E3661B-1.6m E3662B-2.0
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