Bretford MDMTAB24 Manual

Bretford Ikke kategoriseret MDMTAB24

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Side 1/2

What is the “Power Manager” doing?

The “Power Manager” has two LED indicator lights visible on the side of the cart that let you know what it is doing.

The light on the left is Amber and the right one is Red

Amber

Red

1.  When the power button is switched to the “On” position, both

indicator lights will light up for approximately 2 seconds.

2.  Both lights will then turn off while the “Power Manager” evaluates

the power required to charge the first set of devices.

3.  The Amber light will come on and stay lit indicating that the “Power

Manager” is now in “Smart Charge” mode. This means that tablets

will be charged in groups, three minutes at a time.

4.  Once the power needed to charge all of the devices in the cart

reaches a level that will not trip the circuit, the “Power Manager”

enters “All Charge” mode and both lights will be off. All devices are

now charging.

1.  If the Amber light displays single blinks, it means the current required to power the auxiliary outlet is too high. Unplugging whatever is in

the auxiliary outlet should allow the “Power Manager” to resume charging the devices.

2.  If both the Amber and Red lights start to blink, it means one set of devices is drawing too much current and the “Power Manager” needs to

be reset by turning it off and back on. If problem persists there may be a faulty device that needs to be removed.

3.  If the Amber light displays double blinks, the internal temperature of the cart is too high. Open the doors of the cart and/or move the cart

to a cooler room. The cart should cool down without having to turn off the “Power Manager”

MDMTAB24

24 Tablet Computers in Vertical Slots

Maximize your technology investment

Unique Power Management & Control System

gives you the ability to:

Save on energy costs – the “Power Manager”

knows the more charged a battery, the less power

it requires.

Extend the battery life of your computers with

one touch!

Designed for the IT Coordinator, the

Instructor & the Student

Easy set-up for the IT Coordinator

Easy to maintain by the Instructor

Easy to use for the Student

Laser-cut Identification System helps keep you

in control and your investment organized.

Dual-Locking Swing Handle

Flexible Security

The MDM Tablet Cart is secured with

a unique dual-locking handle built

right into the doors. The handle can

be opened by using EITHER the three

digit combination or a key.

2. Using the Combination Locks

•  Dial in the factory set combination

– “000”

•  Turn the wing knob 180 degrees

counter clockwise until the arrow

points straight up (3). Lift and

turn the handle to open the door.

•  To re-lock, turn the wing knob 180

degrees clockwise and scramble

the combination.

•  The MDM Tablet Cart features the new and improved “Power Manager”, which is designed to continuously charge

even the most power hungry laptops using only one wall outlet.

•  The system uses a “Round Robin” charging cycle that constantly evaluates the demand for power and allows

each electrical strip time to cool down. Cooler batteries last longer, and extended battery life saves you money.

•  One Auxiliary Outlet is included on the side of the cart to plug in a video projector or printer. Since the “Power

Manager” dedicates power to the auxiliary outlet when in use, the risk of tripping the circuit is eliminated.

•  A Divider Panel separates the computer/battery from the transformer, minimizing the transformer’s heat impact on

the battery … cooler batteries last longer.

MDM Tablet Cart

USER GUIDE

Power Management System … The “Power Manager”

Cut Here - Finished size = 16”W x 11”H - Folded three times, like a map

11000 Seymour Avenue Franklin Park, IL 60131 USA 800 521 9614

www.bretford.com

1. Using the Key

•  Insert the key into the lock and

turn it 180 degrees counter

clockwise (2)

•  Lift and turn the handle to open

the door.

•  To re-lock, turn the key 180

degrees clockwise.

3. Changing the Combination

•  Put the keylock in the locked

position and dial in the existing

combination.

•  Turn the wing knob 180

degrees + 15 degrees counter

clockwise (3) & (4). Enter the

desired new combination.

•  Turn the wing knob 15 degrees

clockwise. The new

combination is now set.

Please Note: It is recommended

that nothing be plugged into the

Auxiliary outlet while charging

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Basic Troubleshooting

Part #: 031-9497 10/08/2012

Removable Cord

Management panels let IT

Coordinator wrap cable sets at a desk.

No more kneeling or bending behind the

cart organizing the power cords.

Cord Winder

on the side panel,

under outlet, provides

easy access up high,

so that the cord does

not get crimped under

the wheel.

Directional Locking

Casters can be locked as a

rigid caster for easy rolling down

the hallway, or unlocked to swivel

for easily getting into tight spaces.

Security provided by dual-locking handles

built right into the steel constructed doors.

Front View

Back View

MDM Tablet Cart

USER GUIDE

11000 Seymour Avenue Franklin Park, IL 60131 USA 800 521 9614

www.bretford.com

MDMTAB24

24Tablet Computers in Vertical Slots

Cable Management System … Done at your Desk!

How Does a Tablet Computer Manage Heat?

To manage the heat stress of the battery, computer engineers include

sophisticated battery management functions in the design of the computers.

They can be found in two places: the external charger & internal to the tablet

computer itself. The transformer converts the alternating current from the

wall socket to a lower voltage direct current. Besides charging the tablet’s

battery these “adapters” can supply enough electricity to operate the tablet

and charge the battery simultaneously.

Deep inside the computer a dedicated microcircuit continuously monitors

and manages the charging current, voltage and temperature of the battery. If

the temperature of the battery exceeds limits, the microcircuit will stop

charging the battery until the temperature drops to acceptable levels.

ELECTRICAL: Avoid sparks. Avoid arcing Always turn OFF the power to the cart before plugging IN or OUT!

ELECTRICAL: For Safety Purposes, make sure all electrical components do not exceed the the maximum load rating of 12 amps.

ELECTRICAL: Risk of electrical shock. Do not plug the power cord into another extension cord or relocatable power tap.

ELECTRICAL: The power strips inside the tablet cart are only for charging tablet computers. Any other use may cause an

overload for the Power Management System, causing the “Power Manager” to shutdown. To reset the “Power Manager”, turn off the

main power switch, unplug the non-tablet device, then turn the main switch back on.

CAUTION: Be sure each tablet computer is turned OFF before plugging into the cart..

CAUTION: Do Not block the ventilation holes on the cart. Proper air flow is required for safe operation of equipment.

CAUTION: Cart with computers should be kept in a room with a maximum temperature not to exceed 77° F or 25° C.

CAUTION: Maximum weight of accessories on top of cabinet is 25 pounds.

CAUTION: Avoid loading equipment in the cart in a uneven fashion. Uneven weight distribution could cause a hazardous condition.

Keeping the battery cooler while charging allows the battery to charge faster.

Laser-Cut ID Numbers

in both front & back help keep

computers and their cable sets in

the right place and make it easy to

identify if something is missing.

Power Manager

keeps the constant flow

of power from a single

wall outlet charging

batteries where needed.

Dual Handle Design

Allows both teachers and

students to push and pull

the cart easily and safely.

Step-by-Step Instructions to Organize Your Cords

•  Unpack the Tablet Computers, being careful to keep each computer with its matching cord set.

•  Remove the four steel panels that are hooked into the back of the cart and thread the Velcro straps through

the slots on the panel, tacky side out.

•  Bundle the cords and lay them on one side of the adapter leaving approximately 16” of the cord that plugs

into the computer and 3” of the cord that plugs into the power strip.

•  Place the bundled cord set between one of the Velcro straps and secure to the panel by running one end of

the strap through the buckle and cinching it tight against itself.

•  When all cord and adapter sets have been secured to a panel, lock it into the Divider Panel using the four

slots above each power strip.

•  Pass the cords through the holes in the divider and place them in the cable management channel above

each storage slot. Thread the end of the cord through the cut-out at end of the channel to hold it in place.

•  Plug the other end of the cord set into the outlet in the power strip directly below the panel.

You know from personal experience the value of keeping your closet neat and organized. You know exactly where everything is when you open the door. So Bretford developed a “closet” for the

cords and cables associated with the tablet computers.

•  Your MDM Tablet Cart has its own “Cable Clutter Closet” – a lockable compartment at the back of the cart especially designed to keep all the cables away from the computers and from

students retrieving the computers from the front of the cart.

•  The “Desktop” Cord Management system allows the IT Coordinator to organize the computer cord sets while seated at a table. No more bending or kneeling behind the cart!!

•  The interior Divider Panel separates the cart so that 75% of the cart is dedicated to the computers in the front and 25% is dedicated to cables and power adapters in the back. Holes in the

Divider Panel allow the computer connector cables to pass thru and be easily connected to the computers for charging.

•  By separating the computer from its power adapter, you minimize the amount of heat beside the computer battery, allowing it to charge at a lower temperature. Cooler temperatures allow the

battery to charge faster.

•  The Divider Panel also protects your technology investment; even if access is gained through the back panel the computers in the front compartment are secure.

•  Comes with Laser Cut ID Numbers for quickly matching computers with their cord sets.

“A place for everything, and everything in its place.”