Toshiba V Series Manual page 52

SBIF2 module front panel
38
RUN indicator:
TOSHIBA
Lights up during normal operation.
SBIF2
SERIAL BUS I/F
Alarm indicator:
Lights up in an abnormal operation.
RUN
STAND-BY indicator:
ALM
Lights up during dual stand-by action.
STAND-BY
Serial bus A system normal operation indicator:
A
SB
Lights up during normal operation.
B
A
Serial bus B system normal operation indicator:
I/O
B
Lights up during normal operation.
I/O bus A system normal operation indicator:
Lights up during normal operation.
I/O bus B system normal operation indicator:
Lights up during normal operation.
3. Terminal Block Unit (For Model 2000,3000)