User`s guide

RAID Array Controller 2-7
Compaq Confidential – Need to Know Required
Writer: Bob Young Project: RAID Array 3000 Pedestal Storage Subsystem Hardware User’s Guide Comments:
Part Number: EK-SMCPO-UG. C01 File Name: c-ch2 RAID Array Controller.doc Last Saved On: 12/4/00 1:51 PM
Table 2-1
Controller Specifications
continued
Item Specifications
Environmental
Temperature 41ºF to 122ºF (5ºC to 50ºC) operating,
-40ºF to 140ºF (-40ºC to +60ºC)
non-operating
Relative humidity
10% to 95% non-condensing (operating), 5%
to 90%, non-condensing (non-operating)
Physical size 8.55 in (21.7 cm) deep, 5.03 in wide, 1.6 in
(4 cm) high
Power requirements 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 # Name
0 Heart beat controller reset switch (green)
1 Host channel 0 activity LED (amber)
2 Host channel 1 activity LED (amber)
3 Disk channel 0 activity LED (amber)
4 Disk channel 1 activity LED (amber)
5 Fault LED (red)