Panasonic WJ-MPU955 Operating Instructions Manual

Also see for WJMPU955 - PROCESSING UNIT - TMU: User guide User guide

Panasonic WJ-MPU955 Operating Instructions Manual Manual pdf 6 page image

6PARALLELREDUNDANTCPU SATELLITEMODE10BASE-T / 100BASE-TX3OTHERENCODERDECODERSYSTEMCONTROLLERDATA 12 DATA 11 DATA 10 DATA 9 DATA 8 DATA 7 DATA 6 DATA 5 DATA 4 DATA 3 DATA 2 DATA 1PERIPHERAL INTERFACE (RS-232C)(RS-485)SYSTEMCONTROLLER21SATELLITESTANDALONEYESNOAC IN125V 6.3ASIGNALGNDy u !2io !0 !1 !3 !4Central Processing UnitThe WJ-MPU955 is a main component of the Network Security System. It uses an Intel® X86 processor based computer run-ning in the multiple tasks operating environment. The system also supports two WJ-MPU955 working together to form a redun-dant system. LayoutThe following diagrams are the front panel and the rear panel of the WJ-MPU955. Panel Detailsq Operation Indicator (OPERATE)Operation indicator q is on when the power of the WJ-MPU955 is turned on. The power switch of the CPU islocated underneath the front panel. Remove the frontpanel by removing the two screws on the panel.w Reset Button (RESET)The RESET button w is recessed inside the front panelhole to the right on the OPERATE indicator. Press thisbutton when the CPU rejects control from outboardequipment.Since the reset button is located 2/3 of an inch behindthe front panel, you will need to use a small screwdriveror other tool that is less than 1/6 of an inch in diameter,and more than 1 inch long. If you are unable to accessthe reset button using this method, remove the frontpanel and press the button.e Fan Alarm Indicator (FAN ALARM)The FAN ALARM indicator e indicates the cooling fanstatus. This LED lights when a temperature rise in theCPU is detected. Turn the power off and refer servicingto qualified service personnel.OPERATERESETFAN ALARMCentral Processing Unit WJ-MPUHDDACTIVEt rq w!5 !5e Front Panel Rear Panel