the pcos system ver.1.1

7/30/2019 The PCOS System Ver.1.1

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The PCOS System


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Precinct Count OpticalScanner (PCOS) is aballot countingmachine used withballot box. The system

is designed to scanmarked paper ballots,interpret the votermarks, tabulate each

vote, generate reports,transmit the resultsand store each ballotimage.


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Poll Worker access compartmentinput - iswhere the Main Memory Cardis inserted.

Ballot entry slot - the narrow papertray in the front slot where ballots are

inserted.

Administrator access compartment

input - iswhere the Backup MemoryCard is inserted.

Security Key Receptacle thecontact point for the security key.

PCOS PARTS Front Side View

LED indicator - determines the powerstatus of the PCOS


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1. Main Memory Card Slot - Primary compartment for storage of configured files

2. Back-up Memory Card Slot - Secondary compartment for Back-up memory card


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Corresponding LED indicator located in front of the PCOS machine determines

the power status when it is turned on. These are as follows:

Attribute Power Source Battery StatusGreen AC power connected Battery presentFlashing Green/Orange AC power connected No battery presentOrange Battery power, no AC

power Battery presentRed (machine has been

shut down) AC power connected Battery chargingFlashing Red (machine

has been shut down) AC power connected No battery present


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Operator LCD Screen with counter used to interact with the application.

Transmission port - a RJ45 interface onthe right side of the PCOS machine. It is usedfor connecting the external modem/cellulardevice for transmission of election results.

Green Cast & Red Return Buttons special buttons used solely for FTSdiagnostic procedure.

Printer compartment - is where thebuilt-in printer of PCOS is located.

PCOS PARTS Front Side View


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Power ports - The PCOS machine is capable of operating with AC power orvia optional external battery pack (DC). The external battery can last at least 12hours of continuous operation. There is no power switch. It is turned on byconnecting the plug to the power source.

PCOS PARTS Rear Side View

Ballot Exit Slot - located directly atthe opposite side of the Ballot entryslot. Valid ballots are ejected from theballot exit slot.

DC PowerRestart button


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Other Components and Peripherals of PCOS

iButton makes contact with PCOS through the security key receptacle.

IButton security key The iButton is used to access the administrativeoptions of the PCOS.


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Compact Flash Removable Memory (Results Storage)Main and Backup memory cards are compact flash memorycards that store configuration and results.

Main memory card is located in the Poll Worker accesscompartment Back-up memory card is located in the administrator

access compartment.

The Backup memory card holds a copy of the election results and auditlog from the Main memory card.

The Main and Back-up memory cards are sealed for the entireelection process. The Backup memory card is used to confirm that the Main memorycard has not been tampered.


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Thermal Paper

This is the paper that is usedfor printing election results

and it is located inside thePRINTER COMPARTMENT.

Ballot Box

The ballot box is constructed using a

steel frame and steel side panels. Ithas security features to preventunauthorized access, includingphysical locks on all access doors.


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Power Supply

AC adaptor that comes with the PCOS Machine which uses 220 volts AC and anoutput of 20 volts AC.


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Power Supply

The Battery Pack of the PCOS Machine uses 12 volts DC


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Transmission Devices

Option 1: PCOS Modem

Option 2: BGAN* Antenna

MODEM (Modulator/Demodulator) BGAN (Broadband Global Area Network)

SIM CARD

the pcos system ver.1.1

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