Bretford MDMLAP32NR-CTAL
Contents
1. to exceed 77 F or 25 C For Best Results When Using the Networking Functionality We Recommend that All of the Computers in the Cart be 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 How D he Network Ready Cart Manage Heat ELECTRICAL For Safety Purposes make sure all electrical components do not exceed the the maximum load rating of 12 amps l Jy o oes the Netwo y g g _ v 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 NH Fully Charged Getting Started Plug your switch into the Power Manager MDM Network Ready Laptop Cart MDMLAP32NR 32 Laptop Computers in Vertical Slots Power M2. 16 W x 11 H Folded three times like a map Cut Here Finished size MDM Network Ready Laptop Cart 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 e 33 Ethernet cables pre wired and ready to plug into your laptops e Dedicated space for your 19 rack mounted network switch e 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 S BRETFORD 11000 Seymour Avenue Franklin Park IL 60131 USA 800 521 9614 www bretford com Power Management System The Power Manager 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 e
3. anager Uses the power from a f single wall outlet to charge m apn iii A PA mint and update laptops safely eet and efficiently Two Fans in the front of the cart vacate heat keeping the internal temperature of the cart within recommended operating levels Front View Directional Locking Casters can be locked as a Security provided by dual rigid caster for easy rolling down locking handles built right into the the hallway or unlocked to swivel steal constructed doors for easily getting into tight spaces Dedicated Space for your 19 rack mounted network switch Ethernet Cables pre wired in the rear of the cart Laser Cut ID s in front amp back keep computers and their cable sets in the right place and make it easy to identify if something is nest 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 Back View S BRETFORD 11000 Seymour Avenue Franklin Park IL 60131 USA 800 521 9614 www bretford com
4. he 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 awakened in stages to prevent the 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 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 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 CAUTION Cart with computers should be kept in a room with a maximum temperature not
5. ices 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 Ifthe 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 Ifthe 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 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 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 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 3 Changing the Combination e Put the keylock in the locked position and dial in the existi
6. ng combination Turn the wing knob 180 degrees 15 degrees counter clockwise 3 amp 4 Enter the desired new combination Turn the wing knob 15 degrees clockwise The new combination is now set Part 031 9405 03 13 2012 ELECTRICAL Avoid sparks Avoid arcing Always tum OFF the power to the cart before plugging IN or OUT 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 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 Networking with the Power Manager 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 lf 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 t
7. xceeds 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 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 What is the Power Manager doing 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 Please Note It is recommended that nothing be plugged into the Auxiliary 4 Once the power needed to charge all of the devices in the cart outlet while chargi ng 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 Basic Troubleshooting Amber Light Red Light Meaning Solution Single Blinks oo ae Auxiliary Drawing Too Much Power Unplug Auxiliar Off Double Blinks Internal Temp of Cart Too High Open Doors Move Cart Single Blinks Single Blinks One Set Drawing Too Much Power Turn Off amp On 1 If both the Amber and Red lights start to blink it means one set of dev
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