Datasheet

Notebook Charging
Status
Cart design assumes that charge status of each individual notebook will be displayed on the notebook and not
indicated on the cart.
Fault Conditions Unmanaged Carts : None
Managed Carts : : Temperature sensor shuts down charging if the maximum internal temperature is exceeded.
Once operating temp returns to safe levels, charging will automatically resume operation. The Amber LED
light flashes to indicate fault. Power is not removed from the controller box, aux outlets or WAP/Wireless
router during high-temperature conditions.
Controller Box Unmanaged Carts : The Controller Box accepts power from an input cord and is distributed through two circuit
breakers (Line and Neutral) to the Power Control Board. It also utilizes an HP standard AC adapter to convert
AC to DC for fan and digital control and provides DC power to two fans. It is designed to meet all applicable
standards. The Controller Box houses the PC board that directs the intelligent electrical system.
Managed Carts : The Controller Box accepts power from an input cord and is distributed through two circuit
breakers (Line and Neutral) to the Power Control Board. It also utilizes an HP-standard AC adapter to convert
AC to DC for fans and digital control and provides DC power to six fans and digital signals to the LED and
temperature sense board. It is designed to meet all applicable standards. The Controller Box houses the PC
board that directs the intelligent electrical system.
Cooling Unmanaged Carts : Two 5-volt DC continuous operation fans in the top compartment of the cart
Managed Carts : Four 12-volt DC continuous operation cooling fans in the notebook bay. Two 5-volt DC
continuous operation cooling fans in the top compartment.
NOTE: Temperature sensing is located in the cart to monitor inlet air of the notebooks to verify safe
operation. The size and power requirements of the fans are dependent upon thermal analysis of the heat load
and cooling schema. They are connected to the Power Control Box via a modular connector of the appropriate
current rating.
If the over temperature threshold is met, power to the AC power adapters (notebook charging) and Ethernet
outlets is removed and the high-temperature LED is enabled. When the high-temperature situation is
corrected, power is restored to the AC adapters without user intervention; the high-temperature LED is
disabled.
RJ-45 Interconnect
Cables
None 20 custom-length Ethernet
cables
20 custom-length
Ethernet cables None
30 custom-length
Ethernet cables
Ethernet Switch Unmanaged Carts : Not included, cart is not upgradeable
Managed Carts : Switch not included, cart may be upgraded by customer if desired. Ethernet switch 1U
mounting brackets and dedicated space for one Ethernet switch is provided within the secured upper
compartment of the cart. Cart electrical system power budget and outlet layout is designed for use of one
Ethernet switch for managing the notebooks/support of Wake on LAN functionality assumed. NOTE: Space
for one Ethernet switch is provided.
External RJ-45 Cable
(from switch to the
wall)
N/A 14 ft (4.3 m) cable included N/A 14 ft (4.3 m) cable
included
WAP (Wireless Access
Point) or Wireless
Router
Unmanaged Carts : WAP/router is not included, cart is not upgradeable
Managed Carts : WAP/router not included, cart may be upgraded by customer if desired. Cart electrical system
power budget and outlet layout assumes the use of a 15-watt max WAP or wireless router. The WAP/wireless
router receptacle is always on.
Country-Specific
Power Distribution
Provide power for:
20 AC-DC Adapters for
each notebook via four,
Provide power for:
20 AC-DC Adapters for
each notebook via four,
Provide power for:
30 AC-DC
Adapters for
Provide power for:
30 AC-DC
Adapters for
QuickSpecs
HP Notebook Charging and Managed Charging Carts
Technical Specifications
DA - 13929 North America — Version 6 — August 2, 2012 Page 5