Bretford MDMLAP32NR-CTAL Bedienungsanleitung
Bretford
Multimedia machen
MDMLAP32NR-CTAL
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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 , which is designed to continuously charge even new and improved Power Manager
the most power hungry laptops using only one wall outlet.
• The system uses a that constantly evaluates the demand for power and allows each “Round Robin” charging cycle
electrical strip time to cool down. , and extended battery life saves you money. Cooler batteries last longer
• When the total draw of the devices allows it, the will turn on automatically and receive continuous power Network Switch
until the unit is powered off.
• inside the cart communicate the internal temperature to the Power Manager. When it exceeds 77°F Two Heat Sensors
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 in the locked keylock
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.
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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?
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Part #: 031-9405 03/13/2012
MDM Network Ready
Laptop Cart
USER GUIDE
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
Two Fans in the front of
the cart vacate heat, keeping
the internal temperature of the
cart within recommended
operating levels.
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.
Ethernet Cables
pre-wired in the rear of
the cart.
Back View
MDM Network Ready
Laptop Cart
USER GUIDE
11000 Seymour Avenue Franklin Park, IL 60131 USA 800 521 9614
www.bretford.com
MDMLAP32NR
32 Laptop Computers in Vertical Slots
How Does the Network Ready Cart Manage Heat?
When computers are charging, the source of heat is the adapter/transformer.
However, when they are receiving updates from your network, the computers must
be powered on meaning the source of the heat inside the cart is the computers’
ventilating themselves to keep their internal batteries cool. The air emitted from each
computer is very hot and with all 32 laptops ventilating at once, the internal
temperature of the cart rises dramatically while they are updating.
Computer manufacturers recommend a safe temperature range of 50°F to 95 °F for
operating laptops. To keep the internal temperature of the cart within these limits,
the MDM Network Ready Laptop Cart features ventilation on the side panels and is
equipped with two thermally-controlled fans that turn on when the temperature
inside the cart exceeds 77°F. Bretford has conducted extensive testing that
confirms the effectiveness of these features.
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 laptop cart are only for charging laptop 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-laptop device, then turn the main switch back on.
CAUTION: Be sure each laptop computer is turned OFF before plugging into the cart..
CAUTION: Do Not block the ventilation holes or fans 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.
Laser-Cut ID #’s in
front & back keep computers
and their cable sets in the right
place and make it easy to
identify if something is
missing.
The system allows you to “Desktop” Cord Management
organize the computer cord sets while seated at a table. No more
bending or kneeling behind the cart!! Simply remove the four
steel panels, secure the adapters with the Velcro straps, and re-
hang them in the rear of the cart.
Cable Management … Done at your Desk!
Power Manager
Uses the power from a
single wall outlet to charge
and update laptops safely
and efficiently.
When the Power Manager has moved through all of power modes described
in the blue box on the reverse side of this guide, the power required for all six
power strips will be below 10 amps and the network switch will be powered
on. Once on, the network switch will ALWAYS receive power until the Power
Manager is manually turned off.
If the combined draw of the power strips and network switch exceeds 10
amps, the cart will revert to “Smart Charge” mode. The network switch will
continue to get power but some computers will be running on battery power
every three minutes as the Power Manager redistributes the current.
Note that if the computers are updated remotely, they must be receiving AC
power to receive a “wake up” packet. Therefore, when using Wake-On LAN
we recommend the computers be to prevent the “awakened” in stages
Power Manager from reverting to “Smart Charge” mode. For example, the
“wake-up” packet would be sent to the computers in slots 1-8; once they are
on, the packet would be sent to the computers in slots 9-16, and so on until all
32 devices are powered on.
Since computers can receive updates while operating on battery power, the
update can now be sent to all 32 of them at once. If the computers are
powered on manually, updates can be sent to the entire cart simultaneously.
Dedicated Space
for your 19” rack-mounted
network switch.
For Best Results When Using the Networking Functionality,
We Recommend that All of the Computers in the Cart be
Fully Charged
Networking with the Power Manager
Mount your switch in the back of the cart
Remove the top panel in front of the cart
Plug your switch into the Power Manager
Getting Started
The cable management
channel includes a cut-out
designed to hold the Ethernet
cable and power cord in place.
Place the power cord on top of
the Ethernet cable and loop it into
the “notch” and over the hook at
the front.
Be sure to leave enough slack at both
ends of the power cord to be able to
plug one end into the power strip and
pass the other end through the divider
panel to the front of its assigned storage
slot. Use the to Laser Cut ID Numbers
quickly match computers with their cord
sets.
The MDM Network Ready Laptop Cart ships with 32 Ethernet
cables pre-wired in the rear of the cart. One end will be routed
to the dedicated space for your network switch and the other
end will be threaded through the divider panel into the cable
management channel in the front section of the cart.
Network updates sent to computers using the MDMLAP32NR are the responsibility of your IT Department. The information above explains
how the Power Manager will potentially affect these efforts and all recommendations are based on results of Bretford’s internal tests.
Produktspezifikationen
| Marke: | Bretford |
| Kategorie: | Multimedia machen |
| Modell: | MDMLAP32NR-CTAL |
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