User's Manual

CXO7488A
1
2
3
1. Port 2 status
2. Power stat
us
3. Port 1 status
Figure 27 I/O module status LEDs
Table 10 I/O module status LEDs
Port 2
status
Power Port 1
status
Problem description and recommended action
On On On
Normal operational status
On On
Off
No signal is detected on port 1.
Check the t
ransceiver and fiber cable connections.
Off
On On
No signal is detected on port 2.
Check transceiver and fiber cable connections.
Flashing
On On
Port 2 is being located.
On On
Flashing Port 1 is b
eing located.
Off Off Off No I/O module power.
The I/O module is not operational. Check power supplies. If
power supplies are operational, replace I/O module.
Disk drives
Three status indicators show the drive operational status. Use Figure 28 and Table 11 to interpret
disk errors and determine what action to take.
2500 Disk System user guide
51