20 Board Mounting ProcedureThe following example is the procedure to mount a networkboard into the expansion slot of the unit.Note: Before the procedure, power off the unit.1. Remove the expansion slot panel from the rear side.2. Mount the rear boards into the expansion slot, and fixthese boards with screws supplied to the rear boards.Notes:• The board name (IN X-1, OUT X-1, etc.) is marked atthe lower right corner of each board mounting angle.When mounting the rear boards, match the boardnames with the markings at board mounting angles.• To mount a set of video output board into the expansionslot, dismount the IN B-3 board, and then mount theOUT X-3.3. Remove the front panel by loosening the screws.4. Remove the blank panel from the front side.5. Mount the main board by hooking the board stopperson the board stopper angles at the front side, by push-ing down the board stoppers, and by fixing the screws.Notes:• Remove 3 screws surely at the arrow marking when dis-mounting.• When mounting, match the main board surely with therear board.• When mounting, insert the main board surely into slits.• Do not hit the boards against the chassis of the unit.SIGNAL GNDSIGNAL GNDTERM.ONONMODETERM.OFFMODEDATA 4HDR4/TMNL8HDR2/TMNL4DATA 3HDR3/TMNL7HDR1/TMNL3DATA 2TMNL6TMNL2DATA 1TMNL5TMNL1/PS DATAVideo Output Board 2Video Output Board 1Board stopper angleBoard stopper• Mount the main board into the slot.• Fix the board with the screws (x3).• Attach the fixing brackets (x2) with the screws (x4).Fixing brackets (x2)Screws (x4)Hook the board stopperson the board stopper angles, andpush down the board stoppers.Matrix Switcher WJ-SX650OPERATESIGNAL GNDSIGNAL GNDTERM.ONONMODETERM.OFFMODEDATA 4HDR4/TMNL8HDR2/TMNL4DATA 3HDR3/TMNL7HDR1/TMNL3DATA 2TMNL6TMNL2DATA 1TMNL5TMNL1/PS DATAVideo Output Board 2Video Output Board 1IN X-2 boardIN X-1 boardBlank panel