The “Power Manager” has two LED indicator lights that let you know what it is happening
The left light 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 laptops
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 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.
2. 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.
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”
MDMLAP32NR
32 Laptop Computers in Vertical Slots
Maximize your Tech Investment
The MDM Network Ready Laptop Cart provides
you the infrastructure to secure, charge and
update 32 computers.
The cart ships fully assembled with:
• 33 Ethernet cables pre-wired and ready to
plug into your laptops
• Dedicated space for your 19” rack-mounted
network switch
• Two thermally-controlled fans to dissipate
heat while your computers are updating
Save time and money by sending patches,
updates and content to all of the devices in the
cart at once.
Dual-Locking Swing Handle
Flexible Security
The MDM Laptop 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 Lock
• 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 Laptop 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.
• When the total draw of the devices allows it, the Network Switch will turn on automatically and receive continuous power
until the unit is powered off.
• Two Heat Sensors inside the cart communicate the internal temperature to the Power Manager. When it exceeds 77°F
the fans will turn on and if it gets above 100°F the system will stop sending power until the cart cools down.
Power Management System … The “Power Manager
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.
Cut Here - Finished size = 16W x 11H - Folded three times, like a map
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Please Note: It is recommended that
nothing be plugged into the Auxiliary
outlet while charging
What is the “Power Manager” doing?
Basic Troubleshooting
Part #: 031-9405 03/13/2012
MDM Network Ready
Laptop Cart
USER GUIDE
(2 pages)
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