FLEX-BX100-ULT5Page viiTable of Contents1 INTRODUCTION.......................................................................................................... 11.1 OVERVIEW .................................................................................................................. 21.2 M ODEL VARIATIONS ................................................................................................... 21.3 FEATURES ................................................................................................................... 31.4 FRONT PANEL ............................................................................................................. 31.5 REAR PANEL ............................................................................................................... 41.6 TOP PANEL ................................................................................................................. 41.7 BOTTOM PANEL .......................................................................................................... 51.8 TECHNICAL SPECIFICATIONS ...................................................................................... 61.9 DIMENSIONS ............................................................................................................... 82 UNPACKING ................................................................................................................. 92.1 UNPACKING .............................................................................................................. 102.2 PACKING LIST ........................................................................................................... 102.3 OPTIONAL I TEMS ...................................................................................................... 123 INSTALLATION ......................................................................................................... 133.1 ANTI - STATIC PRECAUTIONS ...................................................................................... 143.2 I NSTALLATION PRECAUTIONS ................................................................................... 143.3 I NSTALLATION PROCEDURE ...................................................................................... 153.4 HDD I NSTALLATION ................................................................................................. 163.5 POE PD M ODULE I NSTALLATION (OPTIONAL ) ......................................................... 183.6 M.2 SSD I NSTALLATION (OPTIONAL ) ....................................................................... 193.7 WIRELESS LAN M ODULE I NSTALLATION (OPTIONAL ) ............................................. 223.8 M OUNTING THE SYSTEM .......................................................................................... 253.9 RS-232/422/485 SERIAL PORT (COM1) SELECTION ................................................ 263.9.1 COM1 Pinouts ................................................................................................. 263.9.2 COM1 Pin 9 Selection ..................................................................................... 273.10 CLEAR CMOS ........................................................................................................ 283.11 AT/ATX M ODE SELECTION .................................................................................... 283.12 POWER-ON PROCEDURE ......................................................................................... 29