I/o module status displays – HP 3000 Enterprise Virtual Array User Manual
Page 78

Storage System Hardware Components
78
Enterprise Virtual Array 3000 User Guide
The I/O modules are major components in the Fibre Channel loop. Each module
has two ports that can both transmit and receive data for bidirectional operation.
Activating a port requires connecting a transceiver to the port via Fibre Channel
cables. The port function depends upon the loop. See
.
I/O Module Status Displays
Three green LEDs on the I/O modules display the status. See
. The LED
status displays for an operational I/O module are shown in
. The status
displays for a nonoperational I/O module are shown in
.
\
1
Loop A bottom
port
2
Loop A top port
3
Loop B bottom port
4
Loop B top port
Figure 34: Input and output ports
CXO7954A
3
1
4
2
1
Top port status LED
2
Power status LED
3
Bottom port status LED
Figure 35: I/O module status LEDs
CXO7488A
1
2
3