Chapter 4: Subsystem Connection and Operation
Subsystem Connection and Operation 4-7
4.3 Fibre Channels

4.3.1 Onboard Hub Settings

The subsystem comes with embedded hub on their host channels. Channel bus
and access routes configurations with different DIP switch settings are
diagrammed below.

4.3.2 Jumper Assignments

Figure 4-2: Location of the DIP Switches
• Pin #4: CH0 and CH1 onboard hub en/disable
The onboard hub enabled on CH0 and
CH1.
The onboard hub disabled on CH0 and
CH1.
• Pins #5 and #6: CH0 and CH1 4G/2G speed selector
These combinations set all host
ports to 4Gbps speed.
The pin combination sets all host
ports to 2Gbps speed.
DIP switches are located on the upper left corner of the subsystem rear panel.
Use a ballpoint pen to change the setting.