Instruction Manual

Drive Sled Fibre Channel Link LED
The Fibre Channel link LED for a drive sled is located on the rear of the drive sled. Figure 28 shows
the location of the Fibre Channel link LED on the rear of the LTO drive sled.
NOTE:
Table 43 describes the Fibre Channel link LED activity on the rear of the LTO drive sled.
Table 43 FC Drive Sled Link LED States
State and explanationRepresentsLED color
• Solid on — loop initialization protocol
(LIP) has occurred (for example, Passive
Mode).
• Blinks at irregular intervals — host
command/data activity is occurring.
LIP and activityGreen
• Solid on — the library has enabled the
drive data bus; it can detect light
through a fiber optic cable.
• Blinks at regular intervals — the library
has enabled the drive data bus, but
light is not detected through the fiber
optic cable.
Online and light detectedAmber
Solid off — the library has not enabled the
drive data bus or the drive brick is varied
off. If the drive brick is varied off, the blue
status LED will be solid on.
No color
Interpreting MCB Port LEDs
The MCB has LEDs for the Ethernet and Fibre Channel ports.
MCB Ethernet Port LEDs
The LEDs on the MCB Ethernet port indicate status and activity.
Figure 29 shows the locations and colors of the MCB Ethernet port LEDs.
Troubleshooting your Library238