Installation
10 590-591-609B
the applicable section in the troubleshooting guide or contact the trained service
provider.
• Use the KVM s3-1621 and KVM s3-1641 appliances only with approved equipment.
• Operate the KVM s3-1621 or KVM s3-1641 appliance only from the type of external
power source that is indicated on the elect rical ratings label. If you are not sure of
the type of power source that is required, cons ult the service provider or local power
company.
• Be sure that the monitor and attached devices are electrically rated to operate with
the power that is available in the current location.
• Use only power cables that are provided with the KVM s3-1621 and KVM s3-1641
appliances.
• To help prevent electric shock, connect the KVM s3-1621 or KVM s3-1641
appliance and peripheral power cables into properly grounded electrical outlets.
These cables are equipped with three-prong connectors to help ensure proper
grounding. Do not use adapter connectors or remove the grounding prong from a
cable.
• Observe extension cable and power strip ratings. Make sure that the total ampere
rating of all products that are connected to the power strip does not exceed 80
percent of the ampere ratings limit for the power strip.
• To help protect the KVM s3-1621 and KVM s3-1641 appliances from sudden,
transient increases and decreases in electrical power, use a su rge s upp res so r, line
conditioner, or uninterruptible power supply.
• Carefully position KVM s3-1621 and KVM s3-1641 appliance cables and power
cables. Route cables so that they cannot be stepped on or tripped over. Be sure
that nothing rests on any cables.
• Do not modify power cables or connectors. consult a licensed electrician or the
power company for site modifications. Always follow the local and national wiring
rules.
2.4 Rack mounting a KVM appliance
Before installing the KVM s3-1621 or KVM s3-1641 appliance and other components in
the rack (if not already installed), stabilize the rack in a permanent location. Install the
equipment starting at the bottom of the rack, then work to the top. Avoid uneven loading
or overloading of racks.

2.4.1 General guidelines

•Refer to the rack installation documentation that accompanied the rack for
specific caution statements and procedures.
•Elevated ambient temperature: In a closed rack assembly, the operation
temperature of the rack environment can be greater than room ambient. Use care
not to exceed the rated maximum ambient temperature of the unit.
•Reduced air flow: Carefully install the equipment in a rack so that an adequate
amount of airflow is maintained for safe operation of the equipment.