7-3
Installing and Removing an MPU
Structure of an MPU
Figure 7-2
Interior structure of the MPU
(1) Guide pin
(2) Left release latch
(3) CPU heatsink
(4) Memory module and slot
(5) Built-in CF card
(6) Right release latch
(7) Bus connector
(8) Power connector
(9) RESET button
(10) External CF card LED (CF)
(11) Run LED (RUN)
(12) MPU active/standby state LED (ACT)
(13) Alarm LED (ALM)
(14) USB 1 state LED (USB1)
(15) USB interface 1 (1)
(16) External CF card slot
(17) USB interface 0 (0)
(18) CF card eject button
(19) AUX port (AUX)
(20) Console port (CONSOLE)
(21) HA port link state LED (LINK)
(22) Data reception & transmission LED of the
HA port (ACT)
(23) HA port (HA) (10/100/1000BASE-T)
(24) Ethernet link state of the management
Ethernet port (LINK)
(25) Data reception & transmission LED of the
management Ethernet port (ACT)
(26) Management Ethernet port
(MANAGEMENT) (10/100/1000BASE-T)
(27) Ejector lever
(28) Captive screw
Installing an MPU
Step1
Face the front panel of the firewall.
Step2
Remove the blank panel of slot 0 from the position. For how to remove a blank panel, refer to “Installing
and Removing a Blank Panel” on page 7-9.
Step3
Gently and steadily push the MPU into the slot along the slide rails, and then push the ejector levers
inward to lock the board in position.