Sun Microsystems Dual Port 4x IB Host Channel Adapter PCI-ExpressModule, User Manual

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Chapter 1 Overview 3
I/O Interfaces
The IB-EM includes the following interfaces:
■
Two 4x InfiniBand copper connectors
■
PCI-E x8-lane edge connector
InfiniBand Interface
The IB-EM provides two 4x InfiniBand v1.1 connector (or ports) for external copper
cables and is IBTA specification 1.1-compliant.
PCI-Express Interface
The PCI-Express bus is a PCI-Express x8 version 1.0a-compliant interface. The
adapter can be either a master initiating the PCI bus operations or a slave
responding to PCI bus operations. The PCI-Express bus can connect to a host CPU in
an HCA application.
LED Displays
Two InfiniBand ports connectors are located on the front panel of the adapter. Each
port has two LEDs, as shown in
FIGURE 1-2
. An explanation of the LEDs is given in
TABLE 1-1
.
TABLE 1-1
IB-EM LEDs
Color Meaning
Green Physical Link – The physical link LED illuminates once the Tavor
driver is successfully attached to the port.
Amber Logical Link – The logical link LED illuminates once the InfiniBand
port is in the Up state. This LED also blinks when there is traffic on
the port.