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WARNING:

When working with optical fibers, follow all warning labels and always wear eye protection. Never look directly into

the end of a terminated or unterminated fiber or connector as it may cause eye damage.

Position the optic so it is in the correct position.

The optic has a key that prevents it from being inserted incorrectly.

Insert the optic into the port until it gently snaps into place.

NOTE:

When you cable the ports, be sure not to interfere with the airflow from the small vent holes above and below

the ports.

Optics removal

Remove an optic by pushing the tab on the optic and sliding the optic from the port.

When removing optics with direct attach cables (DACs) from the port, pull the release tab firmly and steadily. Before pulling the release tab,

you may need to gently push the optic into the port to ensure that it is seated properly. Do not jerk or tug repeatedly on the tab.

Supply power to the S4100–ON Series (S4128F-ON and S4148F-ON) switch after you mount it in a rack or cabinet.

Dell EMC recommends reinspecting your switch before powering up. Verify the following:

•

The equipment is properly secured to the rack. Dell EMC recommends properly grounding the switch.

•

The ambient temperature around the unit, which may be higher than the room temperature, is within the limits specified for the S4100–

ON Series, see Specifications.

•

There is sufficient airflow around the unit.

•

The input circuits are correctly sized for the loads and that you use sufficient overcurrent protection devices.

•

All protective covers are in place.

•

Blank panels are installed if you do not install optional modules.

CAUTION:

Do not power up the switch if you did not install a fan module.

NOTE:

A US AC power cable is included for powering up an AC power supply. You must order all other power cables separately.

NOTE:

ESD damage can occur if components are mishandled. Always wear an ESD-preventive wrist or heel ground strap when

handling the S4100–ON Series switch and its components.

When the switch powers up, the fans immediately come on at high speed. The fan speed slows as the switch continues to boot up.

To configure your switch, after you have securely installed and powered on the S4100–ON Series switch, see your open network installation

environment (ONIE)-compatible operating system documentation at www.onie.org.

S4100–ON Series installation