PXH822 User’s Guide –
Dolphin Interconnect Solutions
Page 13
Connecting the cables for single expansion, x8 link
To establish an x8 link, please select one of the alternatives below. Select alternative 1 or 2. To establish proper fail over, please
ensure the target x8 configuration is selected (Target card DIP switch).
Alternatives
Host Card Port
Target Card Port
1
P1
P1
P2
P2
2
P3
P1
P4
P2
Table 8: Alternative x8 cabling
Connecting the cables for 2 Node Configurations, x4 link
To establish an x4 link when in dual port mode, please connect any port on the Host card
to Port P1 or P4 on the Target card.
Use Case B
–
1 Host - Dual Expansion Configuration
The host has a PXH822 adapter configured for Host operation and a direct x4 or x8 cable
connection is used to connect two independent downstream target systems.
Connecting the cables for Single Node Dual expansion, x8 link
Connect the cables between the host and target card as described above for x8
connectivity. Connect the second expansion to the free ports. Always connect to port P1
and P2 on the target card.
Use Case C
–
1 Host - Quad Expansion Configuration
The host has a PXH822 adapter configured for Host mode and a direct x4 cable
connection is used between the Host card and each target card. The PXH822 in the
Expansion Chassis is configured for Target mode.
Connecting the cables for Single Node Four expansion, x4 link
Connect any port on the Host card to port P1 on the Target card.
Figure 4: Use Case B
Figure 5: Use Case C
