StorageTek 4410 Hardware Operator's Manual page 44

LMU Operator Panel
Table 2-1. LMU Operator Panel (Continued)
Figure 2-1
Label
Item
5 MASTER LMU *
6
SERVICE
7
REQUIRED
Note: * Applies to dual LMU systems.
2-4
Type Function
On when the LMU is the master LMU in a
dual LMU configuration.
Indicator
Blinks briefly when LMU is the standby
LMU in a dual LMU configuration, polls the
master LMU.
Alphanumeric Displays four-character error codes, LMU
display modes.
On when the service representative is
needed. Indicates that the processor has
Indicator detected an error in the LMU that requires
attention. The LMU might or might not
continue to operate.
Eleventh Edition 9206