Manual

0107a
1
2
3
Figure 11 I/O module
1. Status indicators (Upper port, Power, and Lower port)
2. Upper port
3. Lower po
rt
The I/O modules are functionally identical, but are not interchangeable. Module A can only be installed
at the right end of the enclosure, and module B can only be installed at the left end of the enclosure. See
Figure 10
.
Each I/O m
odule has two ports tha t can both transmit and receive data for bidirectional operation.
Activating a port requires connecting a FC cable to the port. The port function d epends upon the
loop. See Figure 12.
CXO7954
A
3 1
4 2
Figure
12 Input and output ports
1. Loop A lower port
2. Loop A upper port
3. Loo
pBlowerport
4. Loop B upper port
I/O module status indicators
There are three status indicators o n the I/O m o dule. See Figure 11. The status indicator states for
an operational I/O module are shown in Table 7. Table 8 shows the status indicator states for a
non-operational I/O module.
Enterprise Virtual Array 3000/5000 user guide
45