External Components
007-4653-001
73
The leftmost PCI-X slot (bus 1, slot 1) seats an IO9 card that has the following connectors:
•
SCSI 68-pin VHDCI connector.
This external SCSI port connects to SCSI devices.
•
Ethernet RJ45 connector.
This autonegotiating 10/100/1000BaseT Ethernet port
connects the system to an Ethernet network.
•
RTO and RTI stereo jack connectors.
RTO (output) enables a Cx-brick to interrupt
an external device. RTI (input) enables an external device to interrupt a Cx-brick.
The IO9 card also connects to a daughtercard (standard component) that has the
following connectors:
•
Two DB-9 RS-232 serial port connectors.
These ports can be used as COM ports to
connect to modems or other serial devices.
Note:
An optional serial port daughtercard can be attached to your IO9 card by an SGI
system support engineer (SSE). This card adds two additional serial ports to the IX-brick.
Figure 4-5
Rear Panel of IX-brick
48VDC
12VDC
XIO 10
XIO 11
Serial port
connector 1
Serial port
connector 0
RT1
RT0
Ethernet connector
SCSI connector
IO9 card
Power switch
One LED lights yellow,
the other lights green
XIO
Connectors
PCI-X slot LEDs
48/12VDC LEDs
Summary of Contents for Origin 3900
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