Chapter 3: Subsystem Connection
3.3 Configuration
Options
3.3.1 Port Assignments
Figure 3-1: Port Assignments in a 6-channel, Dual-controller Configuration
Port Assignments in Different Configurations
Port assignments can vary with dual- or single-controller, 6- or 4-channel
configurations, and with enabled or disable hub. The 4-channel models do
not have CH4 and CH5.
Dual-controller
Single-controller
Hub En.
Hub Dis.
Hub En.
Hub Dis.
A port
To controller A
To controller A
CH0 + CH1
B port
Shared
access
To controller B
To
controller A
Don’t use
Hub En.
Hub Dis.
Hub En.
Hub Dis.
CH2 & CH3
Ports on an I/O module are always hubbed and linked to a
bypass. No A/B port designations.
Hub En.
Hub Dis.
Hub En.
Hub Dis.
A port
To controller A
To controller A
CH4 + CH5
(Host mode)
B port
Shared
access
To controller B
To
controller A
Don’t use
A port
To controller A
CH4 + CH5
(Drive mode)
B port
Shared
access
Not
recommended!
To
controller A
Don’t use
Table 3-1 Port Assignments in Different Configurations
CAUTION!
If your configure CH4 and CH5 as drive loops, it is recommended to
enable their onboard hub.
Without an activated onboard hub on CH4 and CH5, you will need external
FC switches for routing drive-side connections.
Configuration Options
3-3
