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The circuit should be checked for ground integrity and appropriate branch circuit protection. Figure 5-1. The Netbook Cart timer. The NBC ground prong must be present for safe operation. If the plug is damaged or if the ground prong has been removed it should be replaced by a qualified electrician. NOTE: The use of the NBC, including plugging in or unplugging the NBC, plugging in or unplugging netbooks or other electrical equipment, adjusting the timer settings, or operating the control switch must be done with adult supervision. Page 16 724-746-5500 | blackbox.com NBC20S Chapter 5: Using the Netbook Cart Timer 5.2 Using the Netbook Cart Timer Pushing the timer tabs outward reverses which outlet is on and off. Each timer tab represents a 15-minute interval. • Determine the duration of time you want one electrical outlet unit turned on and push the timer tabs inward for each 15 minute duration of power. Example: Each tab is 15 minutes of charge time—4 tabs pushed inward equals one hour of charge time for one bank of netbook computers. • Continue pushing the timer tabs inward until you reach the number of times and the duration that you want the netbooks turned on. • When one electrical outlet is turned on, the other electrical outlet is turned off. The timer is automatically set by leaving the remaining timer tabs outward to turn on the other electrical outlet. • Set up the timer to provide overload protection. Charging 32 netbook computers at one time combined with the power demands of existing netbook battery technology can overload a typical 15 amp circuit. The NBC is equipped with a built- in timing device that automatically switches between charging half the netbooks with the other half. • Close and lock the rear panel. Timer settings and electrical components are now locked and secure. NBC20S 724-746-5500 | blackbox.com Page 17 Chapter 6: Using your Netbook Cart 6.0 Using your Netbook Cart 6.1 Charging your Netbook Computers • After the netbook computers have been loaded into the NBC as described previously, plug the power cord of the NBC into a suitable receptacle. • Locate the external power switch on the side panel of the NBC and push the switch to the ON position. • The charging indicator lights on the netbooks may be visible through the locked tambour doors to verify charging. 6.2 Moving your Netbook Cart • Turn the external power switch to the off position. • Remove the NBC plug from the wall receptacle and wrap the cord around the cord wrap or handle. • Close and secure tambour doors. • Your NBC comes equipped with two fixed casters and two locking swivel casters. Unlock the casters prior to moving the NBC to a new location. • When you reach your desired destination, lock the casters to prevent the cart from moving and plug the NBC into a wall receptacle. Page 18 724-746-5500 | blackbox.com NBC20S Chapter 6: Using your Netbook Cart 6.3 Locking your Netbook Cart Close the tambour doors. Make sure the sliding lock cover is below the lock hasps, and then slide the doors together. Figure 6-1. Close the tambour doors and align the lock hasps. With the doors together, slide the lock cover up over the hasps. Place the lock through the slots in the lock hasps and the sliding cover. Figure 6-2. Slide the lock cover up over the hasps. NBC20S 724-746-5500 | blackbox.com Page 19 Chapter 6: Using your Netbook Cart Figure 6-3. Place the lock through the slots in the lock hasps and the sliding cover. The rear door panel should be locked by the Tech Coordinator and should not be opened without supervision. Page 20 724-746-5500 | blackbox.com NBC20S Notes NBC20S 724-746-5500 | blackbox.com Page 21 Notes Page 22 724-746-5500 | blackbox.com NBC20S Notes NBC20S 724-746-5500 | blackbox.com Page 23 Black Box Tech Support: FREE! Live. 24/7. Tech support the way it should be. Black Box Tech Support: FREE! Live. 24/7. Tech support the way it should be. Great tech support is just 30 seconds away at 724-746-5500 or blackbox.com. About Black Box Black Box Network Services is your source for an extensive range of networking and infrastructure products. You’ll find everything from cabinets and racks and power and surge protection products to media converters and Ethernet switches all supported by free, live 24/7 Tech support available in 30 seconds or less. © Copyright 2011. Black Box Corporation. All rights reserved. NBC20S, rev. 1 724-746-5500 | blackbox.com ...

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