S
- service level agreement (SLA)
A contract between a person or group expected to perform a task or service and a customer, specifying the measurable functions and services that are to be provided.
- shielded twisted pair (STP)
A cable containing multiple pairs of twisted copper conductors, which are gathered in a single sheath. Individual wires are surrounded by plastic insulation, and each pair is wrapped by a metal braid or foil to shield against electromagnetic interference.
- short cycling
In Data Center cooling, when cold air exits an air handler and returns immediately to its intake without mixing with hotter air in the room. Since a handler's temperature sensors are in the return airflow, the unit believes that the room is cooler than it is and ...
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