Physical connections, Front area of computer – Hatteland Display HT 221 (2U Size) User Manual
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IND100133-55
Physical Connections
AIR FILTER:
The computer unit features an cleanable / replaceable air filter located in front behind the metal hatch. Clean the filter
regulary or change it (based on environmental factors) to allow the unit to continuously cool properly and to prolong
the unit’s lifetime and the components inside. Simply unscrew by using the thumb-screw located on each side of the
metal hatch. Spare Part Air Filter can be ordered, check Data Sheet in this manual..
MEDIA DRIVE:
By factory default a DVD/CD-RW recorder/player is installed. The drive features an eject button, a read/write activity
LED and a small hole to eject any media even if the computer unit is not powered on.
2 x FRONT USB2.0 (<5m) INPUT/OUTPUT:
Supports any USB1.1 (12Mbps) or USB2.0 (480Mbps) compliant peripherals. Drivers for most USB devices are
usually included in operating system or on separate installation CD’s delivered with Third Party products. USB 1.1
devices will operate in USB 1.1 mode (12 Mbps).
SSD/HDD LED:
The SSD/HDD LED will illuminate blue when there is read/write activity on any of the installed internal storage devic-
es. When there is no activity the LED will be off.
POWER LED:
The Power LED will illuminate static red when the computer unit is powered and has been turned on via Power Button.
Power Button:
To turn ON the computer, press down button and release it immediately. The Power LED will illuminate and any
operating system installed will automatically boot. To turn OFF the computer, press down this button and hold it for 3
seconds. The operating system may require additionally tasks to be performed before computer shuts down and turns
off the unit. You can also turn off the computer by using the operating system own “shut down” feature. Either to stand-
by mode, hibernation or sleep is also possible from most operating systems.
Front area of computer
USB2.0
FAN intake+filter
Power LED
Power Button
DVD/CD-RW
2.5” Removable SSD/HDD Trays
Device Order:
#3 (top left) #1 (top right)
#2 (bottom left) #0 (bottom right)
SSD/HDD LED
Expansion / Module Area
SSD/HDD Power LED
SSD/HDD Activity LED