
3. STAND--ALONE TYPE i SERIES HARDWARE
B--63005EN/02
318
D ALARM LED display (red) j:Off J:On
ALARM Jjj The RISC CPU is not active.
ALARM jJj A bus error occurred in the L--bus.
ALARM JJj A parity error occurred in the shared DRAM.
ALARM jjJ An error occurred in the RISC CPU. Alternatively, a
parity error occurred in the local DRAM (slave).
ALARM JjJ An error occurred in the RISC CPU. Alternatively, a
parity error occurred in the local DRAM (master).
NOTE
The LEDs display any other pattern if an error occurs in the
data server option.
The data server board function uses four green STATUS LEDs for status
display and red LEDs for alarm display (used also by the RISC function).
The function uses other green LEDs and a single red LED for
communication status display.
For RISC status
For RISC and data server
For data server status
For communication status
D LED display of the data
server function