IBM 9117-MMB User Manual page 52

2. Before you press the power button on the control panel, ensure that power is connected to the system
unit as follows:
v All system power cables are connected to a power source.
v The Power LED, as shown in the following figure, is slowly blinking.
v The top of the display, as shown in the following figure, shows 01 V=F.
3. Press the power button (A), as shown in the following figure, on the control panel.
Figure 37. Control panel
v A: Power-on button
v B: Power LED
– A constant light indicates full system power to the unit.
– A blinking light indicates standby power to the unit.
Note: There is approximately a 30-second transition period from the time the power-on button is
pressed to when the power LED goes from blinking to solid. During the transition period, the LED
might blink faster.
v C: Enclosure identify light
– A constant light indicates the identify state for the enclosure or for a resource within the
enclosure.
– No light indicates that no resources in the enclosure are being identified.
v D: Attention light
– No light indicates that the system is operating normally.
– A solid light indicates that the system requires attention.
v E: USB port
v F: Enclosure fault roll-up light
– A constant light indicates a fault indicator active in the system.
– No light indicates that the system is operating normally.
v G: Function/Data display
40
Power Systems: Power supplies for the 9117-MMB, 9117-MMC, 9179-MHB, or 9179-MHC