Bosch DVA-12T Installation Manual

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16 en | Hardware Installation RAID Subsystem DVA-12T | Installation ManualF.01U.027.798 | V1 | 2006.06 Bosch Security Systems3 Hardware Installation3.1 IntroductionThis chapter gives detailed instructions on how to install the subsystem. When installing thesubsystem, it is necessary to mount the chassis into a rack or cabinet and to install harddrives and drive trays. Installation into a rack or cabinet should occur before the hard drives ordrive trays are installed into the subsystem. Please confirm that you received all of the compo-nents listed on the Unpacking List that came with the subsystem before proceeding with theinstallation process.3.2 Installation Prerequisites1. Static-free installation environment: The RAID subsystem must be installed in a static-freeenvironment to minimize the possibility of electrostatic discharge (ESD) damage. (SeeSection 3.3.2 Static-free Installation )2. Component check: Before installing the RAID subsystem, you should first check to seethat you have received all the required components. (See Section 3.5 Unpacking the Sub-system) If any items appear damaged, contact your vendor for a replacement.3. Cabling: The RAID models all come with one (1) audio-jack-to-DB9 cable to facilitate theconnection of the COM port for terminal emulation management. Two (2) power cordsare provided for the power connections to the power sources. The RJ-45 cables for hostand external devices connections are user-supplied. Please see Section 5 Subsystem Con-nection and Operation for sample topologies and configuration options.4. Memory module: If you wish to change the pre-installed memory module, a separately pur-chased module must be installed. (See Section 6.3 DIMM Module Replacement)5. Rack installation: The enclosure chassis can be installed into rack cabinet using separatelypurchased mounting rails, rear-attached brackets, or Bosch’s slide rails (seeSection 3.6 Rack/Cabinet Installation).3.3 Safety Precautions3.3.1 Precautions and Instructions1. Be sure the correct power range (100-120 or 220-240VAC) is supplied by your rack cabi-net or power outlet.2. Thermal notice: All drive trays (even if they do not contain a hard drive) must be installedinto the enclosure. Leaving a drive bay or module slot open will severely affect the airflowefficiency within the enclosure, and will consequently lead to system overheating. Keep afaulty module in place until you have a replacement unit and you are ready to replace it.3. An enclosure without disk drives can weigh over 24 kilograms. Two (2) people arerequired to install or relocate the subsystem. Drives should be removed from the enclo-sure before moving the subsystem.4. Airflow considerations: The subsystem requires an airflow clearance especially on thefront and rear. For proper ventilation, a minimum of 2.5cm is required between the frontof the enclosure and rack cover; a minimum of 5cm is required between the enclosureand end of the rack.CAUTION!Please note that the installation instructions described in this manual should be carefully fol-lowed to prevent any difficulties and damages to your system.