Compaq EK-SMCPO-UG. C01 Controller Reset and LED Indicators, LED/Reset Switch Interface, Name

RAID Array Controller 2-7

Table 2-1

Controller Specifications continued

Item Specifications

Environmental

Temperature

Relative humidity

Physical size

Power requirements

41ºF to 122ºF (5ºC to 50ºC) operating,

-40ºF to 140ºF (-40ºC to +60ºC) non-operating

10% to 95% non-condensing (operating), 5% to 90%, non-condensing (non-operating)

8.55in (21.7 cm) deep, 5.03 in wide, 1.6 in (4 cm) high

5 VDC @ 3 A, peak; - 12 VDC @ 1 A, peak

Controller Reset and LED Indicators

Figure 2–3 illustrates the front panel of the controller. All LEDs are numbered from left to right. The reset button (LED 0) flashes green about once every second (heartbeat) to indicate that the controller is operating normally. LEDs 1 through 4-display host and disk channel activity (amber). LED 5 (normally off) displays red during a controller failure. The LED/Reset switch interface is defined in Table 2–2.

Table 2-2

LED/Reset Switch Interface

LED #

0

1

2

3

4

5

Name

Heart beat controller reset switch (green)

Host channel 0 activity LED (amber)

Host channel 1 activity LED (amber)

Disk channel 0 activity LED (amber)

Disk channel 1 activity LED (amber)

Fault LED (red)