Dell IP4700, Installation And Service Manual

Page: 25 / 126

1
Enclosure
1-7
The IP4700
Figure 1-3
IP4700 Back View
Storage processor A (SP A) works with link control card A (LCC A) to
run storage processor A’s disk modules; storage processor B (SP B)
works with link control card B (LCC B) to run storage processor B’s
disk modules.
Front Panel The front panel (see Figure 1-4) contains the enclosure address (EA)
LED, two status LEDs for each disk drive slot, and two IP4700
enclosure status LEDs. All LEDs are visible with the front door
closed.
The enclosure address LED displays the enclosure address setting for
the IP4700, which is always 0. This address cannot be changed.
The IP4700 status LEDs are described in Chapter 3.
EMC1442
Standby power
supply A (SPS A)
Standby power
supply B (SPS B)
Power
supply B
(PS B)
Power
supply A
(PS A)
Link control
card B
(LCC B)
Storage
processor B
(SP B)
Storage
processor A
(SP A)
Link control
card A
(LCC A)
Disk drive
fan pack
Rear