Page 102 - Computer

Computer Science UPSs give notification (normally by beeping continuously) of the power loss, which
gives time to save any data and exit gracefully before the UPS runs out of power.
Figure 5.9 shows examples of different UPSs.

FOR ONLINE READING ONLY

Figure 5.9: Different uninterruptible power supply units

Steps for configuring the UPS battery as per the manufacturer’s

(i) Ensure that the UPS you wont to use instructions.
can handle the power requirements (v) Plug the UPS into a wall outlet
of a given computer. Check the using the provided power cord.
voltage rating of the computer's Allow the UPS to charge fully
power supply (PSU) to ensure it before connecting the devices.
is within the capacityof the UPS. The time required for a full charge
The UPS should also have the varies depending on the UPS
enough outltes to accomodate all model.
the devices to be connected. (vi) Identify the UPS outlets: Typically,
(ii) Check the wattage rating of the UPS units have different types of
computer’s power supply unit outlets:
(PSU) to ensure it is within the (a) Battery backup outlets:
capacity of the UPS. UPS should These outlets provide battery
also have enough outlets to backup during power outages.
accommodate all the devices that Connect devices to these
need to be connected. outlets.
(iii) Place the UPS in a suitable (b) Surge-protected outlets:
location near the devices to be These outlets offer protection
protected. Ensure there is enough against power surges and
space around the UPS for proper spikes but do not provide
ventilation, as it generates some battery backup. Connect non-
heat during operation. essential peripherals, such as
(iv) Most UPS units come with their printers or speakers to these
batteries disconnected to avoid outlets.
fire hazards during shipping. Open (vii) Connect the computer monitor
the battery compartment or access and CPU to UPS, as shown in
panel on the UPS and connect the
Figure 5.10

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