HP StoreEver ESL G3 Tape Libraries - Manual (Page 240)

1. MCB Ethernet port LEDs
Figure 30 Locations - Colors MCB FC Port LEDs
.
Interpreting LBX Terminator LEDs
The LBX terminator has six green LEDs that indicate the presence of modules in the library.
Figure 31 Locations of LBX Terminator LEDs
.
NOTE:
See Table 45 for callout explanations of Figure 31 .
Table 45 LBX LED Version 03
Explanation LED On/Off Combinations
6 5 4 3 2 1
Robotics are disabled, the access door is open, or the LBX
terminator is misaligned.
Off Off Off Off Off Off
The library has one control module and no expansion modules. Off Off Off Off Off On
The library has one control module and one expansion module. Off Off On Off Off On
Troubleshooting your Library 240