Integrated Quad-Channel Scsi Controller With Raid; Connectors; Led Indicators - Sun Microsystems StorEdge A7000 Service Manual

3.6 Integrated Quad-Channel SCSI
Controller with RAID
Each integrated quad-channel SCSI controller card (part number 375-0067-xx) is a 9U
VME PCB and has four differential SCSI ports on its faceplate. See
general layout.
3.6.1

Connectors

Rear of the card—
P1—VMEbus; mates with backplane connector J1
P2—VMEbus; mates with backplane connector J2
P3—VMEbus; mates with backplane connector J3
Front of the card—
The faceplate has four independent differential SCSI ports. Each port is a 68-pin
connector
Caution – You can damage this card if you connect or disconnect cables while
termination power is present; jumpers J2, J3, J4, and J5 are factory-installed for
termination power.
3.6.2

LED Indicators

Each card has 13 LEDs, visible through the front panel; refer to
TABLE 3-12
LED
7, 9, 11, 13, BUSY,
Switches
6, 8, 10, 12, TPWR
5, BDOK
3-38 Sun StorEdge A7000 Service Manual • August 1999
shows the connectors at the rear of the card:
FIGURE 3-20
shows the connectors at the front of the card:
FIGURE 3-20
Integrated Quad-Channel SCSI-Controller LED Indicators
When Lighted, Indicates...
SCSI Bus is busy
Termination power is available for that port; jumpers J2, J3, J4, and
J5 are factory-installed for termination power
When green, this LED indicates that the card is functioning
properly. When red, this LED indicates that the card is not
functioning properly. If not lighted, the card is not powered
for a
FIGURE 3-20
.
TABLE 3-12