Safety Information
The following general safety precau-
tions must be observed during all 
phases of operation of this instrument. 
Failure to comply with these precau-
tions or with specific warnings or oper-
ating instructions in the product 
manuals violates safety standards of 
design, manufacture, and intended use 
of the instrument. Keysight Technolo-
gies assumes no liability for the cus-
tomer's failure to comply with these 
requirements. 
General
Do not use this product in any manner not 
specified by the manufacturer. The protec-
tive 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 electri-
cal 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 per-
sonal 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 mod-
ule/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 person-
nel 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. Proce-
dures involving the removal of covers 
and shields are for use by service-
trained personnel only. Under certain 
conditions, dangerous voltages may 
exist even with the equipment 
switched off. To avoid dangerous elec-
trical shock, DO NOT perform proce-
dures 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 prod-
uct 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 service-
trained personnel. If necessary, return 
the product to an Keysight Technolo-
gies Sales and Service Office for ser-
vice 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 dis-
connect may be impaired and must be 
considered part of the installation.
Do Not Modify the Instrument
Do not install substitute parts or per-
form any unauthorized modification to 
the product. Return the product to an 
Keysight Sales and Service Office to 
ensure that safety features are main-
tained.
In Case of Damage
Instruments that appear damaged or 
defective should be made inoperative 
and secured against unintended oper-
ation until they can be repaired by 
qualified service personnel
Do NOT block vents and fan exhaust: 
To ensure adequate cooling and venti-
lation, 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 dam-
aging equipment, fill each empty slot 
with an AXIe filler panel module.
Do NOT stack free-standing chassis: 
Stacked chassis should be rack-
mounted. 
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 specifica-
tion. Exceeding safe operating condi-
tions 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 tempera-
tures may exceed safe handling con-
ditions which can cause discomfort or 
burns if touched. In the event of a 
module exceeding the full tempera-
ture range, always allow the module 
to cool before touching or removing 
modules from the chassis.
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